This Cessna 150 and 152 glossary explains the language used in aircraft records, handbooks, advertisements and technical discussions. It covers the standard aircraft, Aerobat variants and Reims-built models, together with the engines, systems and maintenance concepts needed to understand them. Abbreviations lead to the same entries as their full names, so looking up AD or Airworthiness Directive gives the same definition.
Choose a letter to browse, type a term or abbreviation to search, or select a subject to narrow the list. The related reading beneath each entry leads to a fuller explanation. A short definition helps decode the words; the linked article explains how to use the concept when identifying, comparing, buying or maintaining an aircraft. Where one abbreviation has different technical meanings, read the full term before applying it to a record.
A model suffix, engine designation or manual number carries information that a broad family name cannot supply. The model guide explains those relationships, while the serial-number lookup helps connect an identity to the relevant model records. Neither a familiar abbreviation nor a similar-looking aircraft establishes an individual machine's configuration.
For a purchase, distinguish airframe total time from engine time since overhaul and distinguish an inspection entry from continuing compliance with an applicable requirement. For flight planning, distinguish usable fuel from total capacity and indicated airspeed from groundspeed. The technical documents guide explains why a handbook for general reading and the approved information applicable to a particular aircraft are different things. Use the glossary to understand those distinctions, then check the aircraft's current records and applicable instructions for the decision itself.
615 terms
Inspection required by 14 CFR 91.409(b) for specified aircraft provided for hire or used for flight instruction for hire, subject to the rule's conditions.
Relevant to many training-fleet C150/152 aircraft, but not every private aircraft.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Low-lead 100-octane aviation gasoline grade commonly used in piston aircraft.
Widely used in the C150/152 fleet.
Related reading: Fuel system · Fuel capacity
The codified U.S. federal aviation regulations in Title 14 of the Code of Federal Regulations.
C150/152 U.S. operation, maintenance and certification references use specific 14 CFR parts.
Also called: Title 14 CFR
Related reading: Airworthiness Directives · Cessna 150/152 Aircraft Documents
U.S. rules governing maintenance, preventive maintenance, rebuilding and alteration of civil aircraft and products.
Controls many U.S. maintenance record and performance-of-work concepts.
Also called: Part 43
Related reading: Airworthiness Directives · Cessna 150/152 Aircraft Documents
U.S. general operating and flight rules for civil aircraft.
Annual/100-hour applicability, equipment and operating rules can depend on Part 91 sections.
Also called: Part 91
Related reading: Airworthiness Directives · Cessna 150/152 Aircraft Documents
FAA type certificate designation covering U.S. Cessna 150/152 family models.
The certificate identifies model approvals, limits and serial eligibility.
Related reading: FAA TCDS 3A19 · Models and generations · Technical Documents
Argentine local Cessna 150-family model identity mapped by ANAC to Cessna 150L lineage.
Use the aircraft’s Argentine approval and operating documents; a U.S. 150L manual is not automatically applicable to the local identity.
Related reading: A-150L · Models and generations · History
Argentine local Aerobat identity mapped by ANAC to A150L lineage.
Related reading: A-A150L · Models and generations · History
FAA type certificate designation used for Reims-manufactured Cessna 150/152 family in the U.S. certification framework.
Contains Reims model approvals and later TC-administration history.
Related reading: FAA TCDS A13EU · Models and generations · Technical Documents
Non-binding standards adopted by EASA to illustrate means of establishing compliance with applicable rules.
Relevant to Part-NCO and continuing-airworthiness interpretation. AMC is also used for Argentine aircraft assembly context in this reference; read the expanded term.
Also called: AMC
Related reading: Airworthiness Directives · Cessna 150/152 Aircraft Documents
Engine section providing drives/mounting for accessories such as magnetos, starter/generator or pumps depending on model.
Exact arrangement differs among O-200/O-235/O-240 engines.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Gear/shaft drive transmitting engine rotation to installed accessories.
Magnetos/pumps may be accessory-driven.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
A certification category permitting specified approved aerobatic maneuvers and associated load factors/limitations.
Applies to Aerobat identities under exact rules.
Also called: aerobatic category
Related reading: Models and generations · Technical Documents
Whether an AD legally applies after evaluating all stated model, serial, component, modification and other conditions.
Often needs installed engine/prop/appliance evidence.
Related reading: Airworthiness Directives · Cessna 150/152 AD Compliance Records
Documented accomplishment of the required AD action within its compliance requirements.
Identify the required action, its accomplishment and any recurring requirements in the aircraft or component records.
Related reading: Cessna 150/152 AD Compliance Records · Airworthiness Directives
Aircraft/component record listing applicable ADs and compliance method, recurrence and next-due information.
Critical to prebuy compliance review.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Cessna/Reims aerobatic-category variant designation used for A150/A152 and related French identities.
Carries different certification category, maneuver limits and handbook requirements from standard variants.
Also called: aerobatic Cessna
Related reading: Aerobat · Models and generations
Primary roll-control surface on the wing.
Service and known-issue data may address hinges/supports.
Also called: ailerons
Related reading: Systems · Known Issues
Engine cooled primarily by airflow over fins and engine structures rather than a liquid-cooling circuit.
Factory C150/152 piston engines are air-cooled.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
The model, serial and manufacturing origin used to identify an aircraft and distinguish it from other aircraft.
Compare the model plate and aircraft records. Registration marks can change without changing the airframe serial.
Related reading: Buying a Cessna 150 or 152 · Serial Number Lookup
The aircraft-specific scheduled maintenance program describing tasks, frequencies, practices and procedures under the applicable continuing-airworthiness system.
Part-ML framework is relevant to many European C150/152 aircraft.
Also called: AMP; maintenance programme
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Calibrated weighing equipment used to measure aircraft support-point loads.
Accuracy affects W&B.
Related reading: Useful load · Aircraft weights
A document whose validity/applicability depends on the individual aircraft's serial, installed configuration or approved alteration history.
Examples: AFMS, W&B/equipment list, 337, serialized wiring documentation.
Related reading: Technical Documents · Cessna 150 manuals and documents
FAA mechanic certificate ratings covering airframe and powerplant maintenance privileges subject to regulation.
Common maintenance qualification for U.S. C150/152 work.
Also called: A&P
Related reading: Technical Documents · Reims-Cessna Certification
An approved flight manual containing limitations, procedures and performance applicable under the aircraft's approval basis.
Also called: AFM; aircraft flight manual
Related reading: Cessna 150 and 152 Manuals · Technical Documents
An approved supplement that amends or adds limitations, procedures, performance or system information for an installed modification/equipment configuration.
Common with STCs and options.
Also called: AFMS; flight manual supplement
Related reading: Technical Documents · Cessna 150 manuals and documents
Elevation of airport reference point above mean sea level.
Input to pressure/density-altitude and performance planning.
Also called: Field elevation
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
Instrument indicating airspeed from pitot-static pressure difference.
Markings/units differ by model/manual/instrument replacement.
Also called: ASI
Related reading: Cessna 150 and 152 Pitot-Static and Instrument Relationships · Cessna 150 and 152 Airspeeds
The state of conformity with applicable approved design and requirements together with condition for safe operation.
A model or serial match does not establish the condition or maintenance status of an individual Cessna.
Also called: airworthy
Related reading: Airworthiness Directives · Cessna 150/152 AD Compliance Records
A mandatory authority action addressing an unsafe condition in an aircraft, engine, propeller or appliance.
Also called: AD; ADs; airworthiness directives
Related reading: Service Bulletins, SAIBs and ADs · Airworthiness Directives · Cessna 150/152 AD Compliance Records
The ICA section containing mandatory replacement times, structural inspection intervals or other approved airworthiness limitations.
Must be separated from recommended maintenance.
Also called: ALS
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Retrieval and review of authority-held aircraft registration, airworthiness and filed alteration or ownership records.
Useful in U.S. prebuy diligence.
Related reading: Buying Guide · Prebuy Guide
Certificate associated with EASA airworthiness-review process under applicable rules.
Dynamic aircraft-specific record.
Also called: ARC
Related reading: Airworthiness Directives · Cessna 150/152 AD Compliance Records
Alternative source of static pressure used if normal static system becomes blocked, where installed.
Not universal across all C150/152 configurations.
Related reading: Cessna 150 and 152 Pitot-Static and Instrument Relationships · Cessna 150 and 152 Airspeeds
An authority-approved alternative to an AD's specified compliance method.
Aircraft/AD-specific.
Also called: AMOC
Related reading: Airworthiness Directives · Cessna 150/152 AD Compliance Records
Engine-driven electrical generator producing alternating current that is rectified/regulated for the aircraft DC system.
Many later/modified C150/152 aircraft use alternator systems; exact factory equipment is model-dependent.
Also called: alternators
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Pressure instrument indicating altitude based on static pressure and selected reference setting.
Exact calibration/scale and regulatory checks depend on operation.
Also called: altimeters
Related reading: Cessna 150 and 152 Pitot-Static and Instrument Relationships · Cessna 150 and 152 Airspeeds
Argentine manufacturing/assembly identity referenced by ANAC in Cessna 150-family serial cross-reference.
Related reading: History · Models and generations
Instrument indicating electrical current or charge/discharge behavior according to its installation architecture.
Interpretation differs between center-zero battery ammeters and loadmeters.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Argentina's Administración Nacional de Aviación Civil.
Its aircraft identity records help distinguish Argentine assembly serials from Cessna serials.
Also called: ANAC
Related reading: Technical Documents · Reims-Cessna Certification
Angle between wing/airfoil chord reference and relative wind.
Primary aerodynamic parameter governing lift/stall.
Also called: AOA
Related reading: Cessna 150 and 152 Airspeeds · Reading Cessna 150 and 152 Performance Figures
Ownership cost that is primarily time-based rather than proportional to flight hours, such as storage, insurance or recurring administrative fees.
Related reading: Ownership · Cessna 150 and 152 Operating Costs
An inspection required at least every 12 calendar months for aircraft subject to 14 CFR 91.409(a), unless an applicable exception applies.
Common U.S. C150/152 continuing-airworthiness milestone.
Also called: annual inspections
Related reading: Cessna 150 and 152 Annual vs 100-Hour Inspections · Cessna 150/152 Prebuy vs Annual Inspection · Maintenance planning and records
Flashing/beacon/strobe light intended to enhance aircraft conspicuity.
Factory and retrofit arrangements vary.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Technical data formally approved or accepted as approved under the applicable authority framework for the intended repair/alteration/use.
Major repairs/alterations and STCs can depend on approved data.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Horizontal distance from datum to the center of gravity of an item or station.
Used to calculate moment.
Related reading: Useful load · Aircraft weights
A seller's advertised price for an aircraft.
Also called: listing price
Related reading: Buying Guide · Prebuy Guide
Instrument displaying aircraft pitch and bank attitude relative to a reference horizon.
Can be vacuum-driven, electric or electronic retrofit.
Also called: AI
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Motor gasoline usable in an aircraft only when specifically approved and meeting specified requirements.
Some C150/152 aircraft may have mogas STCs.
Also called: mogas
Related reading: Fuel system · Fuel capacity
Aviation gasoline formulated for spark-ignition aircraft piston engines to specified standards.
Fuel approval varies by engine/aircraft/STC.
Also called: avgas
Related reading: Fuel system · Fuel capacity
The aircraft’s structural body, including the fuselage, wings, tail and landing gear, distinct from the powerplant.
The Cessna 150/152 design article explains how these structural assemblies connect; the complete aircraft also includes its engine, instruments and other systems.
Also called: airframes
Related reading: Design and construction
Clearance/lost motion between mating gears, threads or mechanisms before load/motion is transmitted in the opposite direction.
Can be relevant to actuators/gear mechanisms.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Sheet/seal component directing cooling air through intended paths around engine cylinders/components.
Poor baffle/seal condition can affect engine temperatures.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Approved area for baggage/cargo subject to weight and loading limits.
C150/152 baggage weight/arm limits are handbook/model-specific.
Related reading: Cessna 150 and 152 Seats, Restraints and Doors · Cessna 150 and 152 Cabin Heat
A recirculating-ball nut component used with a screw in a linear actuator assembly.
Historic 150 flap actuator ball-nut issue.
Also called: ball-nut
Related reading: Cessna 150 and 152 Flap Systems · Cessna 150 and 152 Flap Actuator Issues
Empty-weight definition used by the applicable handbook/regulatory system, including specified standard/optional equipment and fluids as defined.
Must come from current aircraft W&B.
Also called: BEW
Related reading: Useful load · Aircraft weights
Electrochemical energy-storage device supplying electrical power when connected to the aircraft system.
Battery location can be safety/AD relevant after relocation modifications.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Direction from one point to another, referenced to true, magnetic or relative datum as stated.
ADF/VOR/GPS use different bearing conventions.
Related reading: Range · Cessna 150 and 152 Pitot-Static and Instrument Relationships
Crankshaft angular position before piston reaches top dead center.
Ignition timing specifications are often in degrees BTDC.
Also called: BTDC
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Pivoting lever changing direction or leverage of a control linkage.
Used in flight-control and trim linkages.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Flap Systems
Specified tension/deflection of a belt drive to prevent slip or overload bearings.
Alternator belt service where applicable.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
The speed yielding greatest altitude gain per horizontal distance under stated conditions.
Exact values vary by model/altitude.
Also called: Vx
Related reading: Cessna 150 and 152 Airspeeds · Reading Cessna 150 and 152 Performance Figures
Airspeed providing best glide performance under stated aircraft/weight/configuration conditions.
Emergency procedures differ by exact handbook/year/variant.
Related reading: Cessna 150 and 152 Airspeeds · Reading Cessna 150 and 152 Performance Figures
The speed yielding greatest altitude gain per unit time under stated conditions.
Varies with altitude and model/year.
Also called: Vy
Related reading: Cessna 150 and 152 Airspeeds · Reading Cessna 150 and 152 Performance Figures
Document evidencing transfer of ownership interests under the applicable legal/registry framework.
FAA Form 8050-2 is commonly used for U.S. aircraft transfers.
Related reading: Buying Guide · Prebuy Guide
Controlled smoothing/removal of local damage or corrosion to eliminate stress concentrations while remaining within approved dimensional limits.
Can be permitted for specific metal damage under approved data.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Airspeed marking associated with certain multi-engine aircraft performance, not normally relevant to single-engine C150/152.
Included to prevent incorrect interpretation of generic aviation diagrams.
Related reading: Cessna 150 and 152 Pitot-Static and Instrument Relationships · Cessna 150 and 152 Airspeeds
Threaded fastener designed to carry tension/shear loads within specified installation and torque conditions.
Control, engine, structural and landing-gear attachment bolts are safety-critical.
Related reading: Cessna 150 and 152 Tail Attachments · Cessna 150/152 Replacement Parts
Intentional low-resistance electrical connection between conductive aircraft parts to control static/electrical potential and provide current paths as designed.
Relevant to lightning/static/electrical integrity and maintenance.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Visual inspection using a borescope inserted into inaccessible internal areas such as cylinders/valves.
Useful in prebuy/condition assessment alongside compression and records.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Piston position at maximum travel away from cylinder head.
Engine geometry term.
Also called: BDC
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Structural or support component attaching, locating or supporting equipment/structure.
Elevator-trim pulley/bracket and other brackets appear in maintenance data.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
Hydraulic/mechanical assembly applying brake pads to the disc.
Leaks, seals, pad condition and attachment are inspection items.
Related reading: Cessna 150 and 152 Landing Gear · Cessna 150 and 152 Brakes
Rotating disc acted on by brake pads/caliper to generate wheel braking torque.
Wear/thickness/condition are maintenance items.
Related reading: Cessna 150 and 152 Landing Gear · Cessna 150 and 152 Brakes
Reduction in braking effectiveness due to heat or other brake-system conditions.
Possible after heavy/repeated braking; actual system condition matters.
Related reading: Cessna 150 and 152 Landing Gear · Cessna 150 and 152 Brakes
Hydraulic fluid specified for the installed brake system.
Wrong fluid can damage seals/system.
Related reading: Cessna 150 and 152 Landing Gear · Cessna 150 and 152 Brakes
Friction material/pad used to create braking force against the brake disc.
Wear limits depend on brake manufacturer/model.
Related reading: Cessna 150 and 152 Landing Gear · Cessna 150 and 152 Brakes
Hydraulic cylinder converting pedal/control force into brake-system hydraulic pressure.
Leaks/seals/fluid condition affect braking.
Related reading: Cessna 150 and 152 Landing Gear · Cessna 150 and 152 Brakes
Controlled operating period after new/overhauled engine or cylinder work intended to establish proper wear/seating according to manufacturer instructions.
May affect oil choice/power operation after cylinder/engine work.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Transverse structural member/former supporting shape and transferring loads through the fuselage.
Tailcone/cabin/gear/wing load paths may use bulkheads.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
Common conductive distribution point supplying multiple electrical circuits.
C150/152 electrical architecture may use one or more buses depending on configuration/modifications.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Fresh-air ventilation system supplying outside air to the cabin through vents/ducts.
Vent locations/controls vary by model.
Related reading: Cessna 150 and 152 Seats, Restraints and Doors · Cessna 150 and 152 Cabin Heat
System supplying heated air to the cabin, commonly using an exhaust heat exchanger in this aircraft class.
Exhaust integrity is a safety concern.
Related reading: Cessna 150 and 152 Cabin Heat · Cessna 150 Exhaust and Cabin-Heat Concerns
A heat-transfer arrangement using exhaust-system heat to warm cabin air while maintaining separation from exhaust gases.
Exhaust leakage/cracking can create carbon-monoxide hazard.
Also called: heat muff
Related reading: Cessna 150 and 152 Cabin Heat · Cessna 150 Exhaust and Cabin-Heat Concerns
Specified tensile preload/adjustment of a flight-control cable system.
Expanded maintenance inspections include cable tension on C150 family.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Flap Systems
Elapsed calendar duration used as a maintenance, life or inspection criterion.
Some hoses/components/inspection tasks use calendar limits.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Indicated airspeed corrected for instrument and position errors.
Early TCDS/manual limits may use CAS.
Also called: CAS; KCAS
Related reading: Cessna 150 and 152 Airspeeds · Reading Cessna 150 and 152 Performance Figures
Tool for measuring dimensions such as thickness, diameter or distance, with precision appropriate to the task.
Used in dimensional inspection; not specifically the brake caliper in this context.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Angular tilt of wheel relative to vertical reference viewed from front/rear.
Landing-gear geometry affects tire contact/wear.
Related reading: Cessna 150 and 152 Landing Gear · Cessna 150 and 152 Brakes
Shaft with cams controlling valve opening/closing through the engine valve train.
Wear/corrosion can be an engine-condition concern, especially with inactivity.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Document formally withdrawn or cancelled by the issuing organization.
May have replacement or historical relevance.
Related reading: Technical Documents · Cessna 150 manuals and documents
Colorless, odorless toxic gas produced by incomplete combustion; exhaust leakage can contaminate cabin air.
Relevant to exhaust/cabin-heat integrity concerns.
Also called: CO
Related reading: Cessna 150 and 152 Cabin Heat · Cessna 150 Exhaust and Cabin-Heat Concerns
A device that meters fuel into induction airflow to provide a combustible mixture for a carbureted engine.
Also called: carb; carburetors
Related reading: Cessna 150/152 Carburetor Heat · Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
A system used to route heated air to the carburetor to reduce/remove carburetor icing risk, with associated performance effects.
Stock carbureted C150/152 variants use handbook-specific procedures.
Also called: carb heat
Related reading: Cessna 150/152 Carburetor Heat · Systems · Known Issues
Ice formation in/around a carburetor that can restrict airflow/fuel metering and reduce engine power.
Operational concern for carbureted stock engines; exact procedures are handbook-specific.
Also called: carb ice
Related reading: Systems · Known Issues
Fuselage/wing structural members transmitting wing loads across the aircraft center section.
Cessna SID/CPCP inspection focus includes carry-through/interior corrosion.
Related reading: Systems · Known Issues
Slotted nut designed for positive locking with a cotter pin through a drilled bolt/stud.
Common in pivot/landing gear/control hardware.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
In U.S. weather reporting, height above ground of the lowest broken/overcast layer or vertical visibility meeting the definition.
Important for VFR/IFR planning but definition/jurisdiction should be explicit.
Related reading: Cessna 150 and 152 Service Ceiling · Cessna 150 and 152 Density Altitude · Cessna 150 and 152 Takeoff Distance
The point at which aircraft weight is considered concentrated for balance calculations.
Must remain within approved envelope.
Also called: CG; centre of gravity
Related reading: Useful load · Aircraft weights
A maintenance release certifying completion of maintenance in accordance with applicable requirements.
Recorded in continuing-airworthiness records in EASA context.
Also called: CRS; release to service
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
The set of airworthiness standards and special conditions used to show compliance for a type or change.
C150/152 certification includes CAR 3 and later additions.
Related reading: Models and generations · Technical Documents
Historical U.S. manufacturer of the Cessna 150/152 family.
U.S. production context; later TC administration moved to Textron Aviation.
Also called: Cessna
Related reading: History · Models and generations
The approved combinations of aircraft weight and center-of-gravity position.
Stock envelope is type-design data; current loading is aircraft-specific.
Related reading: Useful load · Aircraft weights
Damage caused by rubbing/contact between a wire, hose, cable or component and another surface.
A common inspection concern in aging wiring/hoses/control systems.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
A structured list used to verify or execute required actions in a specified phase or condition.
Aircraft-specific checklist must match current POH/AFM/AFMS.
Related reading: Performance · Aerobat
Blocks placed against wheels to prevent aircraft movement on the ground.
Common ramp safety equipment.
Related reading: Ownership · Cessna 150 and 152 Operating Costs
Resettable overcurrent protective device intended to open an electrical circuit when current exceeds its rating under specified conditions.
Panel configuration varies by model/year and modifications.
Also called: CB; circuit breakers
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Historical U.S. civil airworthiness regulations predating modern FAR/14 CFR structure.
CAR 3 is central to original C150 certification basis.
Also called: CAR
Related reading: Models and generations · Technical Documents
A national authority responsible for civil aviation oversight within its jurisdiction.
The abbreviation alone does not identify a particular country or authority.
Also called: CAA
Related reading: Airworthiness Directives
Removal of dirt, grease, corrosion products or contaminants as required before inspection/servicing/repair.
Some SID/AD inspections require cleaning before examination.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Angle between aircraft flight path and horizontal reference during climb.
Best angle relates to distance-based climb performance.
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
Altitude gained per horizontal distance, often expressed as percentage or ft/NM.
Different from rate of climb; obstacle clearance depends on gradient and groundspeed.
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
EASA approved organisation category combining specified maintenance and/or continuing-airworthiness privileges.
Relevant to Part-ML management/maintenance.
Also called: CAO
Related reading: Technical Documents · Reims-Cessna Certification
An aircraft sufficiently similar in model, configuration, condition, records, time and market context to inform valuation.
Also called: comp; comparable
Related reading: Buying Guide · Prebuy Guide
Error caused by magnetic fields within the aircraft affecting the magnetic compass.
Can change with equipment/electrical modifications.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
The authority designated by the applicable regulatory system for oversight or approval of the person, operator, aircraft or activity.
For EASA NCO, competent authority depends on registration/operator circumstances.
Related reading: Airworthiness Directives · Cessna 150/152 Aircraft Documents
Ratio of cylinder volume at bottom dead center to volume at top dead center.
Engine-model property, not differential-compression test result.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Member connecting piston to crankshaft and transmitting combustion/inertial forces.
Engine overhaul/repair context.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
All processes ensuring an aircraft continues to comply with applicable airworthiness requirements and remains in condition for safe operation.
Central to maintenance, AD and records logic.
Related reading: Airworthiness Directives · Cessna 150/152 AD Compliance Records
EASA organisation approved for specified continuing-airworthiness management privileges.
May manage continuing airworthiness depending on operation/arrangement.
Also called: CAMO
Related reading: Technical Documents · Reims-Cessna Certification
Records used to establish current maintenance, AD, modification, repair and component status.
Also called: airworthiness records
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Existence of an electrically continuous conductive path between points.
Used in wiring/switch/bonding troubleshooting.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Flexible cable transmitting pilot-control forces between cockpit controls and flight-control mechanisms.
Cable tension/pulleys and routing are maintenance inspection areas.
Also called: control cables
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Flap Systems
Angular or linear movement range of a control surface specified by approved maintenance/design data.
Rigging checks compare actual travel with manual limits.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Flap Systems
Pilot hand control transmitting pitch and roll commands to aircraft control systems.
C150/152 conventionally use yokes.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Flap Systems
A publication maintained under a system intended to provide current revision/status control.
Check amendment lists and applicable supplements when selecting the manual for a maintenance task.
Related reading: Technical Documents · Cessna 150 manuals and documents
Material degradation through chemical/electrochemical reaction, potentially reducing structural or component integrity.
Major aging-aircraft theme in SID/CPCP/known issues.
Related reading: Cessna 150 and 152 Structural Corrosion · Maintenance planning and records · Cessna 150/152 Maintenance Planning
CPCP severity category defined by the controlling Cessna document for manageable corrosion within the program criteria.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
CPCP severity category representing more significant corrosion requiring increased corrective/preventive response under the controlling Cessna program.
Exact thresholds/actions are publication-specific.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
CPCP category for severe/urgent corrosion condition under the controlling Cessna program requiring prompt escalation/corrective action.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
A structured program for detecting, evaluating, controlling and documenting corrosion.
Also called: CPCP
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Removal of corrosion products/damaged material within limits and using approved procedures.
SID/CPCP repairs can require escalation when limits are exceeded.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Damage affecting appearance with no established structural/system significance after proper evaluation.
Dents/scratches must be assessed before being called cosmetic.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Split pin inserted through a drilled fastener/nut and bent to prevent loosening.
Used in control/landing gear/other hardware as designed.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Adjustable opening controlling cooling-air flow through an engine compartment where installed.
Not a universal C150/152 feature; glossary supports related aircraft/modified contexts.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Removable aerodynamic panels enclosing the engine compartment and directing cooling airflow as designed.
Exact fasteners/baffles differ by model/configuration.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
A fracture or crack indication in a material/component, whose significance depends on location, size, source limits and approved repair criteria.
Also called: cracking
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Primary engine structure housing/supporting crankshaft, bearings and cylinder attachments.
Crankcase condition/repairs matter in engine history.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Engine shaft converting piston/connecting-rod motion into rotary output and driving propeller/accessories as designed.
Critical engine component with model-specific inspection/repair requirements.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Fine network of small cracks in acrylic/plastic transparencies caused by stress, chemicals, age or other factors.
Common aging-aircraft transparency condition.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Sharp localized deformation creating a line of high strain/stress in sheet material.
Can be more structurally significant than smooth dent.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Angle of attack at which an airfoil reaches the onset of stall under the given condition.
Explains why stall can occur at different speeds/load factors.
Also called: critical AOA
Related reading: Cessna 150 and 152 Airspeeds · Reading Cessna 150 and 152 Performance Figures
Assembly containing cylinder barrel/head and associated valve/combustion structures in an air-cooled reciprocating engine.
C150/152 engines use individually serviceable cylinder assemblies depending on model.
Also called: cylinders
Related reading: Cessna 150/152 Cylinder Work · Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Cylindrical portion providing the piston running surface.
Borescope/honing/wear context.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Upper cylinder structure containing combustion chamber and valve/port features.
Cracks, valve condition and CHT relate to head area.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Temperature measured at or associated with engine cylinder head(s), where installed.
Not universally factory-installed across all C150/152 configurations; common retrofit engine monitor parameter.
Also called: CHT
Related reading: Engines · Maintenance planning and records
Documented history of accidents, incidents, structural damage, major repairs or material damage events.
Requires multiple sources and inspection.
Related reading: Cessna 150 and 152 Damage History · Buying Guide · Prebuy Guide
The reference plane from which arms or locations are measured for W&B.
Exact datum is aircraft/manual-specific.
Also called: reference datum
Related reading: Useful load · Aircraft weights
Amount borne by insured before/within insurer payment according to policy terms.
Varies by policy/claim type.
Related reading: Ownership · Cessna 150 and 152 Operating Costs
Maintenance action intentionally postponed under a legally applicable procedure/allowance, where such deferral is permitted.
For simple GA aircraft, legality depends on regulation/equipment/status; cannot be assumed.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Airflow function intended to reduce windshield fogging/frost where provided.
Usually tied to cabin heat/air distribution.
Related reading: Cessna 150 and 152 Seats, Restraints and Doors · Cessna 150 and 152 Cabin Heat
Removal of oil/grease contamination from a surface/component using compatible approved cleaning method.
Can be prerequisite for inspection/adhesion/repair.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Separation between layers of a laminated/composite material.
Less central to original aluminum airframe, but relevant to composite fairings/repairs/equipment.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
The date an aircraft was delivered or transferred from manufacturer/dealer to customer/operator.
Delivery, type approval and model year describe different events; none should be substituted for another.
Related reading: History · Models and generations
Mass of air per unit volume, affected by pressure, temperature and humidity.
Lower density degrades engine/prop/wing performance.
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
Pressure altitude corrected for nonstandard temperature, representing air-density effects on performance.
Hot conditions and elevation affect engine, propeller and wing performance together. Use the applicable aircraft charts rather than one fleet-wide correction.
Also called: DA
Related reading: Cessna 150 and 152 Density Altitude · Cessna 150 and 152 Takeoff Distance
Local permanent deformation of skin or component without necessarily producing a crack.
Location/depth/crease/fastener effects determine significance.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
FAA designee authorized for specified airworthiness certification functions within the delegation scope.
May appear in certification/export/airworthiness records.
Also called: DAR
Related reading: Technical Documents · Reims-Cessna Certification
A person appointed under FAA delegation to perform specified engineering approval functions within authorized areas.
DER-approved data may appear in repair/alteration records.
Also called: DER
Related reading: Technical Documents · Reims-Cessna Certification
A close/intensive examination of a specific item or area under conditions and access specified by the controlling data.
SID/AD wording can require detailed inspection.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Abnormal combustion characterized by explosive end-gas autoignition and high pressure/temperature stresses.
Fuel grade, mixture, temperature and operation influence risk.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Precision displacement indicator used to measure runout, movement, play or alignment.
Can be used for propeller/crankshaft/component inspections as specified.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Cylinder leakage test using regulated compressed air with piston positioned as specified, comparing retained pressure and leakage source.
A cylinder-leakage result is different from the engine’s compression ratio. Its test conditions and other inspection findings matter.
Also called: Cold compression; Hot compression
Related reading: Cessna 150/152 Cylinder Work · Maintenance planning and records · Cessna 150/152 Maintenance Planning
Measurement of dimensions, clearances, wear or geometry against specified limits.
Seat rail, control hardware, brakes and engine components may require dimensional checks.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Argentine production/industrial identity appearing with AMC in ANAC historical documentation.
Used in local C150-family history.
Related reading: History · Models and generations
Calibrated rod/device indicating engine oil quantity in the sump under specified conditions.
Markings differ by engine.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Published takeoff or landing distance to/from clearance of a 50-foot obstacle under stated conditions.
Common Cessna handbook metric.
Also called: 50 ft obstacle distance
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
Mechanism securing a cabin door in the closed position.
Wear/misalignment can affect door security and sealing.
Related reading: Cessna 150 and 152 Seats, Restraints and Doors · Cessna 150 and 152 Cabin Heat
Additional structural sheet/plate installed to reinforce or repair an area under approved design data.
May appear in historic damage/repair records.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
Period an aircraft is unavailable for intended operation because of maintenance, parts, inspection, paperwork or other causes.
Important ownership cost/utility factor.
Related reading: Ownership · Cessna 150 and 152 Operating Costs
Runway surface without standing water, snow, ice or other contamination affecting the applicable performance definition.
POH test data often assume dry hard-surface runway.
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
Nondestructive method using penetrant and developer to reveal surface-breaking discontinuities in suitable nonporous materials.
May be specified for metal cracks/components when approved.
Also called: PT
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Authorized release certificate used in EASA system for eligible components under applicable rules.
Relevant to replacement component traceability in European ownership/maintenance.
Related reading: Technical Documents · Cessna 150 manuals and documents
Approved maintenance organisation under EASA Part-145 with privileges limited by its approval scope.
Can perform applicable maintenance on European C150/152 aircraft/components.
Also called: Part-145
Related reading: Technical Documents · Reims-Cessna Certification
Electromagnetic nondestructive method detecting conductivity/geometry changes and discontinuities in conductive materials.
Can be specified for crack/corrosion inspection in aircraft structures/components.
Also called: ET
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
The stated model, serial, configuration, date or component scope to which a document, part, approval or requirement applies.
Central across IPC, AD, STC, manuals and service information.
Also called: applicability
Related reading: Cessna 150/152 Replacement Parts · Models and generations
Unintended low-resistance electrical path that can cause excessive current, malfunction or heating.
Relevant to wiring/fire protection and circuit-protection logic.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Primary pitch-control surface on the horizontal tail.
Related reading: Cessna 150 and 152 Elevator Attachments · Systems · Known Issues
An aircraft radio beacon intended to help search and rescue personnel locate an aircraft in distress.
Equipment and inspection requirements depend on the aircraft and applicable operating rules.
Also called: ELT; ELTs
Related reading: Cessna 150/152 Aircraft Documents
The tail assembly including horizontal and vertical stabilizing/control surfaces and related structure.
Several SID/known-issue tasks concern empennage attachment structure.
Also called: tail assembly
Related reading: Systems · Known Issues
Aircraft weight in the defined empty-weight configuration under the applicable convention.
Current value changes with equipment, repairs and modifications.
Related reading: Useful load · Aircraft weights
CG location corresponding to the defined empty-weight configuration.
Aircraft-specific current record.
Also called: EWCG
Related reading: Useful load · Aircraft weights
Area enclosed around engine and related accessories, separated from cabin by firewall as designed.
Preflight/maintenance looks for leaks, hoses, exhaust, mounts and wiring.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
Manufacturer model designation identifying an approved engine configuration.
O-200-A, O-235-L2C, O-235-N2C, O-240-A/E etc.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Structure attaching the engine to the airframe and transmitting engine loads.
SID inspection includes engine-mount condition.
Also called: engine mounts
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
Budget allocation toward future engine overhaul/replacement based on estimated remaining time/cost assumptions.
Related reading: Ownership · Cessna 150 and 152 Operating Costs
The unique serial assigned to an individual engine.
Needed for some component/AD/service applicability.
Also called: ESN; engine S/N
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Aircraft-specific list identifying installed equipment and its weight/arm/status.
Critical to current empty weight and installed configuration.
Related reading: Useful load · Aircraft weights
Third-party arrangement that holds funds/documents and releases them when agreed closing conditions are met.
Common in U.S. aircraft transactions, especially financed purchases.
Related reading: Buying Guide · Prebuy Guide
European Union Aviation Safety Agency.
Relevant to European STCs, continuing airworthiness and operating rules.
Also called: EASA
Related reading: Technical Documents · Reims-Cessna Certification
Advanced form of intergranular corrosion causing layers/grains to lift or flake, often in extruded/rolled aluminum products.
Potential concern on aging structural members.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Temperature of exhaust gas measured by a probe, commonly used for mixture management and engine monitoring.
May be single-probe or multi-cylinder retrofit.
Also called: EGT
Related reading: Engines · Maintenance planning and records
System carrying engine exhaust gases through manifolds/pipes/muffler/outlet components.
C150/152 known issues include cracking, clearance and heat-exchanger integrity.
Related reading: Cessna 150 and 152 Cabin Heat · Cessna 150 Exhaust and Cabin-Heat Concerns
Valve controlling exhaust-gas exit from the cylinder.
Burning/leakage/guide condition can be important in piston-engine prebuy evaluation.
Also called: exhaust valves
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
French/Reims-produced standard 152-family model identity.
Reims 1986 serials remain within 1985 handbook serial-effectivity ranges.
Related reading: Reims F152 vs Cessna 152 · Models and generations · History
French/Reims Aerobat model designation in the licensed Cessna family, distinct from FRA higher-power variant.
Related reading: FA150K · Models and generations · History
French/Reims Aerobat variant of the 152 family.
Separate Aerobat handbook/category rules apply.
Related reading: FA152 · Models and generations · History
FAA form used to record certain major repairs and major alterations on U.S.-registered aircraft.
Key prebuy/configuration evidence for U.S. aircraft.
Also called: 337; Form 337
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
FAA Authorized Release Certificate used for specified airworthiness approval/export/return-to-service functions depending on block/status.
Also called: 8130-3
Related reading: Technical Documents · Cessna 150 manuals and documents
The engine model associated with the aircraft's original/type-design serial context.
The U.S. 150 line uses O-200-A factory relationships; the 152 line uses O-235 relationships. Confirm the engine actually installed.
Also called: original engine
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Manufacturer-supplied engine represented under the manufacturer's defined remanufacture/rebuild program and documentation.
Commercial terminology varies; legal record status must be read exactly.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Low-friction guide maintaining control-cable routing and preventing contact with structure.
General cable-system maintenance term.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Flap Systems
Progressive material damage caused by repeated cyclic stresses that can initiate/grow cracks.
Relevant to aging structure and propeller/component crack concerns.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
United States Federal Aviation Administration.
Also called: FAA
Related reading: Technical Documents · Reims-Cessna Certification
Common shorthand for U.S. Federal Aviation Regulations; current precise legal citation should use applicable 14 CFR part/section.
Older certification documents may reference FAR additions.
Also called: FAR
Related reading: Airworthiness Directives · Cessna 150/152 Aircraft Documents
Set/tool of known-thickness blades used to measure small gaps/clearances.
Used in engine/component adjustment where specified.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
An approval route for certain alterations or repairs to an individual aircraft under applicable authority procedures rather than a generally applicable STC.
May appear in aircraft-specific alteration history.
Related reading: Models and generations · Technical Documents
Thread-like corrosion growing under organic coatings, often on aluminum surfaces.
May appear under paint/coatings.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Fire-resistant sleeve around flexible hose/line where specified to provide heat/fire protection.
May be used on engine-compartment hoses depending on configuration.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Fire-resistant barrier separating engine compartment from cabin/fuselage areas as designed.
Engine mounts, controls and systems pass through/attach around firewall area.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
Seal at firewall penetrations/joints intended to maintain fire/smoke barrier characteristics.
Control/wire/hose penetrations require proper condition.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
Structural attachment component joining major members or transmitting concentrated loads.
Fin, wing, strut and landing-gear fittings appear in C150/152 inspection issues.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
A propeller whose blade pitch is not pilot-adjustable in flight.
Standard C150/152 applications are generally fixed-pitch, subject to exact approved configuration.
Also called: fixed pitch
Related reading: Propellers · Cessna 150 and 152 Propeller Records
A high-lift control surface used to change wing lift and drag for approved phases of flight.
C150/152 flap systems and maximum angles differ by model generation.
Also called: flaps
Related reading: Cessna 150 and 152 Flap Systems · Cessna 150 and 152 Flap Actuator Issues
Mechanism that drives flap extension/retraction.
150 and 152 families have different actuator-related issue histories.
Also called: flap actuators
Related reading: Cessna 150 and 152 Flap Systems · Cessna 150 and 152 Flap Actuator Issues
Tube fitting using a formed flare against a mating seat to create a sealed joint.
Common in aircraft fluid lines.
Related reading: Systems · Known Issues
Localized tire wear caused by wheel lock/skid or other abnormal friction.
Prebuy/landing-gear condition clue.
Related reading: Cessna 150 and 152 Landing Gear · Cessna 150 and 152 Brakes
Flexible fluid-carrying line designed for movement/vibration and specified pressure/fluid service.
Related reading: Systems · Known Issues
Damage caused by ingestion/impact/contact with foreign objects or debris.
Propeller leading edges, tires and airframe can suffer FOD.
Also called: FOD
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Relatively light transverse member primarily maintaining fuselage shape and supporting skin/stringers.
General airframe construction term.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
Higher-power Reims Aerobat development with no direct Cessna equivalent according to authority historical reporting.
FRA150L/M use O-240 context and dedicated Reims-approved AFMs.
Also called: Reims Aerobat
Related reading: Reims FRA150 Development · Reims FRA150L vs FRA150M · Models and generations
Transverse structural member supporting fuselage shape and loads, depending on aircraft design terminology.
May overlap functionally with formers/bulkheads but exact nomenclature matters.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
Movement at a component/control without corresponding intended movement of the driven part, measured under defined conditions.
Trim, hinges, controls and bearings can have allowable limits.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Surface damage caused by very small repeated relative motion under contact load, often producing wear debris/oxidation.
Can occur at joints/fittings/fasteners.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Presence of water, particulates, incorrect fuel or other contaminants that can impair operation.
Fuel sampling is a key check.
Related reading: Fuel system · Fuel capacity
Drain/sump point used to sample fuel for water/contaminants and verify fuel condition.
Number/location can change with tanks/STCs.
Related reading: Fuel system · Fuel capacity
Loss of engine fuel supply because usable fuel has been depleted.
Distinct from starvation with fuel remaining.
Related reading: Fuel system · Fuel capacity
Instrument estimating or measuring instantaneous fuel flow to the engine.
Usually retrofit on C150/152 rather than universal factory equipment.
Related reading: Engines · Maintenance planning and records
Hose/tube/pipe conveying fuel between tanks, valves, strainers, carburetor and related components.
Related reading: Fuel system · Fuel capacity
Current unit price of approved fuel at a location/vendor.
Highly time/location-specific.
Related reading: Ownership · Cessna 150 and 152 Operating Costs
System indicating fuel quantity to the pilot; accuracy and usable-fuel meaning depend on approved system/handbook.
Also called: fuel gauge
Related reading: Fuel system · Fuel capacity
Fuel retained beyond trip consumption to satisfy applicable legal/operational planning requirements.
Reserve is part of usable fuel retained for the flight plan; it is not the same thing as unusable fuel.
Also called: final reserve
Related reading: Range · Fuel system · Fuel capacity
Valve/control selecting or shutting fuel flow paths according to the aircraft fuel-system design.
Exact positions/procedure depend on model/configuration.
Related reading: Fuel system · Fuel capacity
A device that senses fuel level in a tank and supplies a signal to the fuel quantity indicator.
Electrical indication does not replace the aircraft-specific fuel checks.
Also called: fuel senders; fuel quantity sender
Related reading: Fuel system
Valve intended to stop fuel flow to downstream engine/system components when selected.
May be integrated with selector architecture.
Related reading: Fuel system · Fuel capacity
Loss of fuel supply to the engine despite fuel possibly remaining elsewhere in the aircraft.
Vent/selector/strainer issues can create starvation risk.
Related reading: Fuel system · Fuel capacity
A device used to trap contaminants/water and provide a drain/check point in the fuel system.
Also called: gascolator
Related reading: Fuel system · Fuel capacity
Aircraft container holding fuel for the engine system.
Standard C150/152 tanks are in wings with model-specific capacity/venting.
Also called: fuel tanks
Related reading: Fuel system · Fuel capacity
System allowing pressure equalization/air entry as fuel is consumed while managing fuel venting.
Historic 150/152 vent/cap configuration issues exist.
Also called: fuel vent
Related reading: Fuel system · Fuel capacity
Gaseous phase of fuel present due to evaporation/temperature/pressure conditions.
Relevant to venting, vapor lock and fire safety.
Related reading: Fuel system · Fuel capacity
Mixture-control position commanding the rich end of the approved control range.
Used in many starting/takeoff/landing procedures subject to POH and altitude.
Related reading: Cessna 150 and 152 Engine Controls · Cessna 150/152 Carburetor Heat
Replaceable overcurrent protective device that opens a circuit by melting an element when current exceeds its design condition.
Older panels may use fuses for circuits that later aircraft protect differently.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Main aircraft body carrying occupants, equipment and structural attachments for wings, tail and landing gear.
C150/152 fuselage structure is a major SID/CPCP inspection domain.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
A fuselage profile whose upper rear contour continues aft from the cabin, contrasted here with the cut-down profile of the later Cessna 150 rear-window generation.
The early 150 through 150C belong to the fastback generation. The 150D rear-window transition and the later 150F swept-tail change are separate milestones.
Also called: fastback fuselage; fastbacks
Related reading: Cessna 150 History · 150
Electrochemical corrosion accelerated between dissimilar conductive materials in electrical contact in presence of electrolyte.
Relevant at mixed-metal joints/fasteners.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Compressible/static seal used between mating surfaces to prevent fluid/gas leakage.
Used throughout engine/exhaust/accessories.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Set of meshing gears transmitting timing/drive between crankshaft, camshaft and accessories.
Engine-internal overhaul context.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Engine-driven DC electrical generator used on some aircraft configurations.
Early C150 configurations may differ from later charging systems.
Also called: generators
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Horizontal distance traveled per unit altitude lost in unpowered/low-power glide under stated conditions.
Exact C150/152 best-glide performance depends on model/configuration and POH.
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
Deeper localized material removal or groove from impact/abrasion.
Can create stress concentration in propeller/structure.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Runway with grass/turf surface whose condition can increase rolling resistance and affect performance.
Use the applicable handbook corrections and their stated surface conditions.
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
Semi-solid lubricant used for bearings, joints or mechanisms where specified.
Historic flap jack-screw service info specified grease details.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Normal operating range marking on an airspeed indicator under the applicable certification/manual definition.
Endpoints depend on model/configuration and speed basis.
Related reading: Cessna 150 and 152 Pitot-Static and Instrument Relationships · Cessna 150 and 152 Airspeeds
Context-dependent term for total aircraft weight; historical manuals may use it for an approved maximum.
Interpret from exact handbook/TCDS context.
Also called: max gross
Related reading: Useful load · Aircraft weights
Electrical return/reference connection to airframe or designated ground path.
Poor grounds can cause intermittent electrical/instrument faults.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Distance traveled on the ground during the takeoff or landing ground phase as defined by the chart.
Distinct from distance over a 50-ft obstacle.
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
Aircraft speed relative to the ground, affected by wind.
Used for navigation/time planning.
Also called: GS
Related reading: Cessna 150 and 152 Airspeeds · Cessna 150 and 152 Cruise Speed
Non-binding explanatory material issued by EASA to help understand rules and acceptable means of compliance.
Used for interpretation of Air Ops/continuing-airworthiness requirements.
Also called: GM
Related reading: Airworthiness Directives · Cessna 150/152 Aircraft Documents
Device/method securing flight controls against wind movement while parked.
May be external/internal depending on aircraft.
Related reading: Ownership · Cessna 150 and 152 Operating Costs
Enclosed aircraft storage facility protecting from weather/environment to varying degrees.
Storage environment affects corrosion/exposure and ownership cost.
Related reading: Ownership · Cessna 150 and 152 Operating Costs
Instrument displaying heading reference using gyroscopic or electronic sensing and requiring alignment/correction depending on system.
Legacy C150/152 panels often use vacuum-driven directional gyros.
Also called: HI; Directional gyro; DG
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Pivoting attachment allowing a control surface, flap, door or panel to rotate about an axis.
Aileron/flap/elevator/rudder hinges have specific service issues/inspection requirements.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
Pin forming or retaining the pivot of a hinge assembly.
Wear/security condition can affect controls/doors.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
Hour meter that records elapsed time according to its electrical/pressure switch installation logic.
Often used for rental billing; not necessarily regulatory TIS/airframe total time.
Related reading: Engine time · Cessna 150/152 Airframe Time
Elapsed time recorded by an electrically operated hour meter while its activating circuit is energized.
The activating circuit determines whether the meter records engine-running time or another interval.
Also called: Hobbs hours
Related reading: Ownership
Horizontal tail surface supporting pitch stability and elevator operation.
Attach points are a known inspection area.
Related reading: Systems · Known Issues
Reciprocating engine configuration with cylinders arranged in opposing banks on opposite sides of the crankcase.
Continental and Lycoming engines used in C150/152 family are horizontally opposed air-cooled piston engines.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Insurance covering physical loss/damage to insured aircraft subject to policy terms, value and exclusions.
Aircraft condition/value/usage affect underwriting.
Related reading: Ownership · Cessna 150 and 152 Operating Costs
Amount of water vapor in air; increasing humidity slightly reduces air density under otherwise similar conditions.
Usually not an explicit legacy Cessna performance-chart input, but part of atmospheric understanding.
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
Unintended escape of hydraulic fluid from a system/component.
Brake or nose-strut leaks are potential prebuy findings.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Mixture-control position intended to shut off fuel flow for engine shutdown/starting procedures as designed.
Common carbureted piston-engine control position.
Also called: ICO
Related reading: Cessna 150 and 152 Engine Controls · Cessna 150/152 Carburetor Heat
Shielded high-voltage leads connecting magnetos to spark plugs.
Condition affects ignition reliability and radio noise.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Cockpit control/switching device used to select or ground ignition magneto circuits and, in some installations, control starter engagement.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
A manufacturer parts catalog using figures, item numbers, part numbers and effectivity/UOC information to identify parts and configurations.
Also called: IPC; parts catalog; illustrated parts catalogue; parts catalogue
Related reading: Technical Documents · Cessna 150 manuals and documents
Binding regulatory requirement contained in applicable EU aviation regulations.
Part-NCO/Part-ML frameworks combine rules with AMC/GM in Easy Access publications.
Also called: IR
Related reading: Airworthiness Directives · Cessna 150/152 Aircraft Documents
Ball-in-tube device indicating lateral acceleration and slip/skid condition.
Usually integrated with turn indicator/coordinator.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Airspeed shown on the airspeed indicator without correction for position/instrument error.
Later POHs often publish procedures in KIAS.
Also called: IAS; KIAS
Related reading: Cessna 150 and 152 Airspeeds · Reading Cessna 150 and 152 Performance Figures
Ice formation in engine induction system, including carburetor icing and other induction restrictions.
Carbureted engines are particularly relevant.
Related reading: Cessna 150 and 152 Density Altitude · Cessna 150 and 152 Takeoff Distance
A manufacturer reference publication that may duplicate a POH at issuance but is not necessarily kept current or aircraft-specific.
A Cessna 152 Information Manual can explain a model’s systems without serving as the individual aircraft’s approved and amended operating document.
Also called: PIM
Related reading: Cessna 150 and 152 Manuals · Technical Documents
Inflatable inner tube used inside a tube-type aircraft tire.
Many light-aircraft wheel/tire assemblies use tubes; exact setup must be checked.
Related reading: Cessna 150 and 152 Landing Gear · Cessna 150 and 152 Brakes
An examination/check performed to determine condition, conformity or compliance with specified requirements.
Exact method/scope varies by AD, SID, manual or prebuy.
Related reading: Cessna 150/152 Prebuy vs Annual Inspection · Maintenance planning and records · Cessna 150/152 Maintenance Planning
Additional FAA authorization held by qualifying mechanics for specified inspection and approval-for-return-to-service functions.
IA is a mechanic authorization, not an aircraft certificate or a synonym for every maintenance licence.
Also called: IA
Related reading: Technical Documents · Reims-Cessna Certification
The engine actually installed on a specific aircraft at the date being considered.
May differ from factory engine through approved conversion or replacement.
Also called: current engine
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
The propeller actually installed on an aircraft at the date being considered.
Needed to resolve propeller ADs and exact configuration.
Also called: current propeller
Related reading: Propellers · Cessna 150 and 152 Propeller Records
An STC modification proven to be embodied on a specific aircraft by approved aircraft records.
The approval must be connected to the actual installation and its records, supplements and maintenance instructions.
Also called: embodied STC
Related reading: Models and generations · Technical Documents
Maintenance and related instructions established for continued airworthiness of a product or approved design change.
STCs can carry separate ICA relevant only when installed.
Also called: ICA; instructions for continuing airworthiness
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Colored arcs, lines or other markings indicating approved ranges/limits on instruments.
Airspeed and engine instruments use model/config-specific markings.
Related reading: Cessna 150 and 152 Pitot-Static and Instrument Relationships · Cessna 150 and 152 Airspeeds
Declared/agreed insured aircraft hull value under a policy, subject to policy terms.
May differ materially from asking price or market value.
Related reading: Ownership · Cessna 150 and 152 Operating Costs
Amount charged for insurance coverage over a defined policy period.
Related reading: Ownership · Cessna 150 and 152 Operating Costs
Valve controlling induction-air/fuel-mixture entry into the cylinder.
Valve condition is inspected through compression/borescope/maintenance methods.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Corrosion progressing preferentially along grain boundaries in susceptible alloys/conditions.
Can be serious in certain aluminum alloys/heat-treatment conditions.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
A specific illustrated-parts-catalog drawing grouping assemblies/components.
Part lookup requires figure + item + effectivity.
Also called: figure
Related reading: Cessna 150/152 Replacement Parts · Technical Documents
The figure/list position used by an IPC to reference a component in a specific illustration.
Meaning is figure-specific.
Also called: item
Related reading: Cessna 150/152 Replacement Parts · Technical Documents
A screw-type linear drive component used in an actuator mechanism.
Historic 150 flap jack-screw wear/lubrication issue has exact AD serial ranges.
Also called: jackscrew
Related reading: Cessna 150 and 152 Flap Systems · Cessna 150 and 152 Flap Actuator Issues
A documented recurring concern, failure mode, inspection focus or configuration risk supported by evidence.
Also called: common issue
Related reading: Cessna 152 known issues and prebuy research · Prebuy Guide · Known Issues
Stall-speed designation for a specified landing configuration under the controlling certification/manual definition.
May correspond to full-flap configuration depending on source.
Also called: Vs0; Vso
Related reading: Cessna 150 and 152 Airspeeds · Reading Cessna 150 and 152 Performance Figures
Published distance required for landing under stated weight, configuration, runway and atmospheric conditions.
Related reading: Cessna 150 and 152 Landing Distance · Performance · Reading Cessna 150 and 152 Performance Figures
Forward-facing light intended to illuminate runway/ground area and improve conspicuity.
May be wing/cowl mounted or LED retrofit.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Date, time or cycle value documenting most recent accomplishment of a recurring task.
Input to next due.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Deposits from leaded fuel combustion that can accumulate on spark plugs or combustion components.
Operational/maintenance concern when using leaded avgas in low-compression engines.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Elapsed time expected between ordering and receiving a part/service, subject to current supplier conditions.
Can materially affect downtime.
Related reading: Ownership · Cessna 150 and 152 Operating Costs
Mixture setting on the lean side of peak exhaust-gas temperature where approved engine/aircraft guidance and instrumentation support operation.
Not a blanket stock C150/152 recommendation; may be relevant to modified/monitored engines.
Also called: LOP; lean-of-peak
Related reading: Cessna 150 and 152 Engine Controls · Cessna 150/152 Carburetor Heat
Insurance covering specified legal liability claims arising from aircraft ownership/operation subject to policy limits/exclusions.
Cost/requirements vary by pilot, use, country and insurer.
Related reading: Ownership · Cessna 150 and 152 Operating Costs
A legal claim or security interest that may be recorded against an aircraft or ownership interest depending on jurisdiction.
U.S. title diligence may require lien/release review.
Related reading: Buying a Cessna 150/152 · Buying Guide · Prebuy Guide
A component with an approved maximum service life expressed in hours, cycles, calendar time or another limit.
Status must come from component/aircraft records and approved data.
Also called: LLP; life limited component
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Graph or table used to derive moments/loading effects for occupants, fuel and baggage.
Exact graph depends on model/year/publication.
Related reading: Useful load · Aircraft weights
Instrument showing generator/alternator output load, usually as current or percentage depending on installation.
Not equivalent to a center-zero battery ammeter.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
A continuing record of aircraft, engine, propeller or maintenance history as required by the applicable system.
Essential for installed configuration, times, repairs, STCs and AD status.
Also called: maintenance log; logbooks
Related reading: Cessna 150 and 152 Logbooks · Maintenance planning and records · Cessna 150/152 Maintenance Planning
Missing period or set of required aircraft or component records preventing continuous history reconstruction.
A significant prebuy/value concern.
Related reading: Buying Guide · Prebuy Guide
Principal longitudinal structural member carrying significant loads in a fuselage or other assembly.
Important when evaluating structural repair history.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
Application/provision of lubricant to reduce friction/wear and protect components according to approved instructions.
Flap jack screw and many bearings/hinges have specific lubricant requirements.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Direct-reading instrument aligning with Earth's magnetic field, subject to variation/deviation and acceleration/turn errors.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Nondestructive method using magnetic fields and particles to detect surface/near-surface discontinuities in ferromagnetic materials.
Possible for applicable steel engine/landing-gear parts under approved procedure.
Also called: MT
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Engine-driven ignition generator providing spark energy independently of the aircraft battery in typical piston-aircraft systems.
C150/152 ignition configurations use magnetos; exact model can vary.
Also called: magnetos
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Observed engine-speed change when selecting individual ignition magnetos during a preflight/run-up check under specified conditions.
POH gives aircraft/engine-specific acceptance guidance.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Angular relationship between engine crank position and magneto ignition event as specified by engine data.
Maintenance setting; incorrect timing affects performance/temperatures.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Primary landing-gear units supporting the aircraft during ground operations and landing.
C150/152 spring/fitting corrosion and wear are aging concerns.
Also called: MLG; main gear
Related reading: Systems · Known Issues
Budgeted amount set aside for expected future maintenance/overhaul events; not a regulatory accounting requirement unless contractually defined.
Useful ownership planning concept.
Related reading: Ownership · Cessna 150 and 152 Operating Costs
Current due/completed status of required and programmed maintenance tasks for a specific aircraft.
Cannot be derived from type/serial alone.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
An alteration classified as major under the applicable regulatory system and requiring prescribed approved data and records.
Relevant to 337/STC/field-approval history.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
A repair classified as major under the applicable regulatory system and requiring prescribed approved data and records.
Important in damage-history and prebuy diligence.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Approved maneuvering speed associated with specified aircraft weight and assumptions.
152 POH publishes weight-dependent Va.
Also called: Va
Related reading: Cessna 150 and 152 Airspeeds · Reading Cessna 150 and 152 Performance Figures
The actual date an individual aircraft was manufactured or assembled.
Not globally available from model-year tables.
Also called: MFR date
Related reading: History · Models and generations
An estimated value under a defined basis supported by current comparables/appraisal and aircraft-specific condition/configuration.
Related reading: Buying Guide · Prebuy Guide
Primary cockpit switch controlling selected aircraft electrical power circuits, typically battery and/or charging system depending on installation.
Configuration varies by model year and alterations.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
The maximum approved power that may be used continuously under applicable engine/aircraft limits.
May differ from takeoff rating.
Also called: MCP; max continuous
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Maximum approved speed with flaps extended in the stated configuration/range.
Exact value and flap angle differ by generation.
Also called: Vfe
Related reading: Cessna 150 and 152 Airspeeds · Reading Cessna 150 and 152 Performance Figures
The maximum structural cruising speed under the applicable handbook/certification definition.
Often upper limit of green arc on later aircraft.
Also called: Vno
Related reading: Cessna 150 and 152 Airspeeds · Reading Cessna 150 and 152 Performance Figures
The maximum approved weight at which takeoff is permitted under the applicable approval.
Values vary by exact C150/152 model/serial/configuration.
Also called: MTOW; MTOM
Related reading: Useful load · Aircraft weights
Precision measuring instrument for small dimensions/thicknesses/diameters.
Used for component wear/size checks.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
An EASA Part-ML inspection-program basis usable in an AMP where applicable.
Relevant to light non-complex aircraft in Europe.
Also called: MIP
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Airspeed yielding the lowest vertical descent rate in a glide under stated conditions.
Not necessarily published in C150/152 POHs and not identical to best glide.
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
Filling an aircraft with an unapproved or incorrect fuel type or grade.
Can cause engine damage/failure.
Related reading: Fuel system · Fuel capacity
Pilot control adjusting fuel-air mixture delivered by the engine fuel-metering system.
Leaning recommendations vary with engine/year/POH.
Also called: mixture
Related reading: Cessna 150 and 152 Engine Controls · Cessna 150/152 Carburetor Heat
Manufacturer/certification serial grouping associated with a product version; it may differ from actual build or delivery date.
Core field in serial and handbook mapping.
Also called: MY
Related reading: History · Models and generations
Demonstration that multiple installed modifications, STCs or repairs do not conflict and remain compliant together.
Related reading: Models and generations · Technical Documents
Weight multiplied by arm, used to calculate aircraft CG.
May be scaled as moment/1000 or index in W&B documents.
Related reading: Useful load · Aircraft weights
Scaled moment value used to simplify W&B calculations.
Scaling factor is handbook-specific.
Related reading: Useful load · Aircraft weights
Structural concept in which external skin carries a substantial portion of loads with internal formers/bulkheads as required.
Useful general contrast when discussing light-aircraft structures.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
Exhaust-system component used to attenuate sound and often form part of a cabin-heat exchanger arrangement.
Related reading: Cessna 150 and 152 Cabin Heat · Cessna 150 Exhaust and Cabin-Heat Concerns
The certified speed that must not be exceeded.
Exact value/unit/basis varies by model.
Also called: Vne
Related reading: Cessna 150 and 152 Airspeeds · Reading Cessna 150 and 152 Performance Figures
Next calendar, time or cycle threshold at which a recurring task becomes due.
Depends on last accomplishment and interval.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Inspection/testing methods used to detect discontinuities or defects without intentionally damaging the serviceable part.
May be required for specific repairs/ADs/components; not a blanket C150/152 requirement.
Also called: NDT; NDI
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Fork component supporting the nose wheel within the nose-gear assembly.
Historic cracking concern is configuration/time dependent.
Also called: nose fork
Related reading: Systems · Known Issues
Forward landing-gear assembly supporting the nose and providing steering/shock functions as designed.
Nose fork and torque-link areas appear in maintenance/issue data.
Also called: NLG; nose gear
Related reading: Systems · Known Issues
Shock-absorbing/support portion of nose landing gear, often oleo-pneumatic depending on design.
Servicing/extension/leak condition affects handling/geometry.
Related reading: Cessna 150 and 152 Landing Gear · Cessna 150 and 152 Brakes
Rapid oscillation of nose wheel/steering system during ground roll or taxi.
Can relate to shimmy damper, tire/wheel, linkage or geometry.
Related reading: Cessna 150 and 152 Landing Gear · Cessna 150 and 152 Brakes
O-200-A is a specific Continental horizontally opposed, air-cooled piston engine model identified by its complete designation.
Suffixes distinguish engine models. Verify the installed engine and its approved aircraft application in the applicable records and type certificate data.
Related reading: Continental O-200-A · Engines
O-235-L2C is a specific Lycoming horizontally opposed, air-cooled piston engine model identified by its complete designation.
Suffixes distinguish engine models. Verify the installed engine and its approved aircraft application in the applicable records and type certificate data.
Related reading: Lycoming O-235-L2C · Engines
O-235-N2C is a specific Lycoming horizontally opposed, air-cooled piston engine model identified by its complete designation.
Suffixes distinguish engine models. Verify the installed engine and its approved aircraft application in the applicable records and type certificate data.
Related reading: Lycoming O-235-N2C · Engines
O-240-A is a specific Continental horizontally opposed, air-cooled piston engine model identified by its complete designation.
Suffixes distinguish engine models. Verify the installed engine and its approved aircraft application in the applicable records and type certificate data.
Related reading: Rolls-Royce / Continental O-240-A and O-240-E in Reims Aerobats · Engines
O-240-E is a specific Continental horizontally opposed, air-cooled piston engine model identified by its complete designation.
Suffixes distinguish engine models. Verify the installed engine and its approved aircraft application in the applicable records and type certificate data.
Related reading: Rolls-Royce / Continental O-240-A and O-240-E in Reims Aerobats · Engines
Elastomeric toroidal seal used in grooves/joints to prevent fluid/gas leakage.
Common in hydraulic/fuel/oil systems.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Fuel anti-knock performance rating under the applicable aviation fuel specification/testing system.
Engine/aircraft fuel approval specifies minimum grades.
Related reading: Fuel system · Fuel capacity
The model designation supported by the controlling certification or authority context.
Distinguishes 150L, A150L, FRA150L, F152 and Argentine identities.
Also called: model designation
Related reading: Buying a Cessna 150 or 152 · Serial Number Lookup
Laboratory analysis of used oil for wear metals, contaminants and trends as one input to engine condition monitoring.
Useful longitudinal prebuy/ownership evidence where consistently sampled.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Rate at which engine lubricating oil must be replenished during operation, affected by design, condition and operating technique.
Maintenance history trend can aid engine assessment.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Cap sealing the engine oil fill opening, often associated with dipstick on some engines.
Preflight checks oil quantity/cap security.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Replaceable/filtering element removing contaminants from circulating engine oil where installed.
May be factory or retrofit depending on engine/configuration.
Also called: oil filters
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Viscosity/type specification of engine oil approved/recommended for stated temperature and engine conditions.
Choice depends on engine-manufacturer guidance and climate.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Unintended escape of lubricating oil from an engine/component/seal/line.
Prebuy condition finding requiring source identification and severity evaluation.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Instrument indicating engine lubricating-oil pressure.
Normal/limit ranges depend on installed engine and handbook.
Related reading: Engines · Maintenance planning and records
Pump circulating lubricating oil through engine passages/components.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Amount of lubricating oil in engine system as indicated/serviced under applicable procedure.
Minimum/maximum/operating practices are engine/POH-specific.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Coarse screen trapping larger particles from engine oil in systems using such a screen.
Older engines may use screens rather than full-flow spin-on filters depending on configuration.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Reservoir/low engine structure containing lubricating oil in a wet-sump engine system.
Must not be confused with fuel sump.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Instrument indicating the engine lubricating oil temperature.
Limits/green arcs vary by engine/instrument.
Related reading: Engines · Maintenance planning and records
Shock strut using compressed gas and hydraulic fluid to absorb landing/taxi loads.
Relevant to nose-gear servicing where fitted.
Related reading: Cessna 150 and 152 Landing Gear · Cessna 150 and 152 Brakes
Electrical circuit with an unintended discontinuity preventing intended current flow.
May produce inoperative equipment or indications.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Equipment offered/approved as optional or added by approved alteration rather than universally installed.
C150/152 fleet configuration varies enormously after decades.
Related reading: Systems · Known Issues
The country and manufacturer associated with an aircraft’s manufacture or assembly.
A French-built F152 and a U.S.-built 152 retain different model and certification identities.
Related reading: Buying a Cessna 150 or 152 · Serial Number Lookup
The manufacturer responsible for the original aircraft, component or equipment being discussed.
Identify the specific manufacturer when selecting technical publications or replacement parts.
Also called: OEM
Related reading: Technical Documents
Outdoor aircraft parking secured by tie-downs, exposed to weather/environment.
Can increase environmental exposure relative to hangar.
Related reading: Ownership · Cessna 150 and 152 Operating Costs
Ambient air temperature used in performance and operational calculations.
Section 5 charts depend on OAT.
Also called: OAT
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
Maintenance process disassembling, inspecting, repairing/replacing and reassembling a product to approved overhaul standards/limits.
Engine/prop overhaul history materially affects records/value.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Circuit or device intended to disconnect/control generating equipment when electrical-system voltage exceeds specified limits.
May be incorporated in regulator/relay architecture.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Earlier-era Cessna publication containing operating, performance and owner information for specified model-year/serial families.
Common for 150 family before modern POH format.
Also called: owner manual
Related reading: Technical Documents · Cessna 150 manuals and documents
Raised/blistered paint area caused by loss of adhesion, corrosion, moisture, contamination or other coating failure.
Can be a clue to corrosion beneath paint.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Mechanism retaining brake-system pressure or linkage to hold aircraft stationary when set.
Exact operation/limitations vary by aircraft.
Related reading: Cessna 150 and 152 Landing Gear · Cessna 150 and 152 Brakes
A manufacturer/design identifier for a specific part or assembly configuration.
IPC applicability often depends on exact P/N.
Also called: P/N; PN
Related reading: Cessna 150/152 Replacement Parts · Technical Documents
EASA continuing-airworthiness rules applicable to specified other-than-complex motor-powered aircraft including many light aeroplanes up to the defined MTOM threshold.
Common European C150/152 framework.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
EASA rules for non-commercial operations with other-than-complex motor-powered aircraft under Annex VII to Regulation (EU) No 965/2012.
Common operating framework for privately operated European C150/152 aircraft.
Related reading: Airworthiness Directives · Cessna 150/152 Aircraft Documents
Current ability to obtain required parts from OEM, approved suppliers, PMA, serviceable used or other legal sources.
Related reading: Ownership · Cessna 150 and 152 Operating Costs
FAA approval authorizing production of specified replacement or modification articles meeting approved design/quality requirements.
PMA parts may be legal alternatives to OEM parts when applicable.
Also called: PMA
Related reading: Models and generations · Technical Documents
Structural repair using an added patch/doubler and fasteners or other approved method to restore required strength.
May be minor or major depending on location/extent/rule.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
Runway with prepared hard surface such as asphalt or concrete.
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
Weight carried for occupants/baggage/cargo excluding items treated separately by the applicable definition.
Depends on actual fuel/loading.
Related reading: Useful load · Aircraft weights
Mixture point at which exhaust-gas temperature reaches a local maximum during leaning under stated operating conditions.
Some approved leaning methods use peak EGT as a reference.
Related reading: Cessna 150 and 152 Engine Controls · Cessna 150/152 Carburetor Heat
A count of distinct physical airframes actually produced under a defined accounting method.
Published C150/152 totals conflict by source and accounting.
Also called: aircraft built
Related reading: History · Models and generations
The manufacturer-issued operating handbook for the applicable aircraft/model/serial; later formats may incorporate approved AFM content depending on certification era.
Also called: POH; pilot operating handbook; pilot’s operating handbook; pilots operating handbook
Related reading: Cessna 150 and 152 Manuals · Technical Documents
Reciprocating component moving in the cylinder and transmitting combustion force through the connecting rod.
Compression/oil consumption/borescope condition can reflect piston/ring/cylinder health.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Ring fitted in piston grooves to seal combustion pressure, control oil and transfer heat as designed.
Ring/cylinder condition affects compression and oil consumption.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Rotation about aircraft lateral axis.
Controlled primarily by elevator.
Related reading: Performance · Aerobat
Obstruction of pitot opening/drain that alters airspeed indication behavior.
Icing/insects/covers can contribute.
Related reading: Cessna 150 and 152 Pitot-Static and Instrument Relationships · Cessna 150 and 152 Airspeeds
Electrical heating of the pitot probe intended to reduce ice blockage of the pitot pressure source.
Presence does not make a C150/152 approved for known icing.
Related reading: Systems · Known Issues
Probe sensing total/impact pressure for airspeed indication.
May include heat depending on installation.
Also called: pitot tubes
Related reading: Cessna 150 and 152 Pitot-Static and Instrument Relationships · Cessna 150 and 152 Airspeeds
Pressure-sensing system providing pitot and static pressure to airspeed, altimeter and vertical-speed instruments as installed.
System architecture varies with equipment/configuration.
Related reading: Systems · Known Issues
Localized corrosion producing pits/cavities in a material surface.
Common concern on aluminum/steel parts in aging aircraft.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Required or approved cockpit/airframe marking conveying limitations, instructions or information.
Placards can change with STCs/equipment.
Related reading: Technical Documents · Cessna 150 manuals and documents
Manual plunger-type pump injecting fuel into induction ports for starting where installed.
Common light-aircraft primer architecture.
Related reading: Fuel system · Fuel capacity
Red/green/white navigation lights identifying aircraft orientation at night/low visibility according to applicable installation.
Condition/equipment affects night operations.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Condition, records mismatch, defect or maintenance item identified during a prebuy review.
Needs severity, evidence, repair estimate and legal status separately.
Related reading: Buying Guide · Prebuy Guide
An inspection/review before purchase to evaluate condition, records, configuration and discrepancies; not automatically equivalent to a regulatory annual inspection.
Also called: PPI; pre-purchase inspection
Related reading: Buying Guide · Prebuy Guide
Ignition of fuel-air mixture before normal spark event due to a hot spot or other source.
Can rapidly raise cylinder temperatures and damage engine.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Altitude corresponding to the standard pressure datum, used in performance calculations.
Takeoff/climb/landing charts use pressure altitude and temperature.
Also called: PA
Related reading: Cessna 150 and 152 Density Altitude · Cessna 150 and 152 Takeoff Distance
Standard pressure setting used to reference pressure altitude/flight levels in applicable contexts.
Pressure-altitude performance calculations use standard datum.
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
Limited maintenance actions defined by U.S. rules that may be performed by appropriately authorized persons under specified conditions.
Owner-pilot privileges can be relevant to U.S. privately operated C150/152 aircraft.
Related reading: Cessna 150/152 Owner Preventive Maintenance · Maintenance planning and records · Cessna 150/152 Maintenance Planning
Manual or system device introducing fuel into engine induction/intake passages to aid cold starting.
Stock procedures vary by model/engine/temperature.
Related reading: Fuel system · Fuel capacity
A flexible bulb operated by hand to move fuel in a priming system.
A primer bulb and the plunger primer described for Cessna 150/152 installations are different devices; the term does not establish installed equipment.
Related reading: Fuel system · Fuel capacity
Mechanism securing a manual primer in its normal locked position to prevent unintended fuel flow/air leakage.
Preflight/operation may require primer locked.
Related reading: Fuel system · Fuel capacity
An FAA-authorized inspection program that divides the scope of a complete inspection into recurring phases under approved procedures.
Possible alternative inspection framework where approved; not inferred for any C150/152.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
A propeller model/configuration approved for installation on a specified aircraft/engine configuration.
Also called: approved prop
Related reading: Propellers · Cessna 150 and 152 Propeller Records
Aerodynamic element of a propeller producing thrust by rotating through the air.
Fixed-pitch metal propeller inspection/rework issues exist in fleet.
Also called: propeller blades
Related reading: Propellers · Cessna 150 and 152 Propeller Records
Diameter of the circle swept by propeller blade tips.
TCDS/prop approvals specify model/diameter limits.
Related reading: Propellers · Cessna 150 and 152 Propeller Records
Measurement/correction of rotating-system vibration by adding/adjusting approved balance weights within permitted procedures.
Can reduce vibration after prop/engine work; not a substitute for structural/engine diagnosis.
Related reading: Propellers · Cessna 150 and 152 Propeller Records
Progressive material loss/roughening from rain, debris or environmental exposure.
Blade leading-edge/tip condition affects serviceability and efficiency.
Related reading: Propellers · Cessna 150 and 152 Propeller Records
Central propeller structure attaching blades/propeller assembly to engine crankshaft/flange.
Related reading: Propellers · Cessna 150 and 152 Propeller Records
Forward edge of a propeller blade encountering airflow/particles first.
Nicks/erosion are inspection concerns.
Related reading: Propellers · Cessna 150 and 152 Propeller Records
Localized indentation/cut in propeller surface, often from debris impact, potentially acting as a stress concentration.
Common preflight/prebuy inspection item on fixed-pitch metal propellers.
Related reading: Propellers · Cessna 150 and 152 Propeller Records
Blade angle/geometric setting determining aerodynamic load and relationship between RPM, thrust and airspeed.
Fixed-pitch climb/cruise prop choices can change performance while remaining within approved applications.
Related reading: Propellers · Cessna 150 and 152 Propeller Records
Budget allocation for future propeller overhaul/repair/replacement based on applicable intervals and market costs.
Configuration-specific.
Related reading: Ownership · Cessna 150 and 152 Operating Costs
The unique serial assigned to an individual propeller.
Some AD/service actions can depend on exact propeller identity.
Also called: PSN; prop S/N
Related reading: Propellers · Cessna 150 and 152 Propeller Records
Check that propeller blade tips follow the same rotational plane within permitted tolerance.
Can help identify bent/damaged/misinstalled propeller conditions.
Related reading: Propellers · Cessna 150 and 152 Propeller Records
Grooved wheel guiding a control cable along its routing.
Pulley condition/alignment and cable wear are inspection items.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Flap Systems
Rigid rod transmitting push/pull control force between mechanisms.
May be used in portions of control/trim systems depending on model.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Flap Systems
Nondestructive examination using X-ray or gamma radiation to image internal structure/discontinuities.
Specialized method, rarely routine on C150/152 but relevant to aviation maintenance vocabulary.
Also called: RT
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Maximum approved weight before taxi where separately specified.
Some 152 contexts distinguish 1675 lb ramp from 1670 lb MTOW.
Also called: taxi weight
Related reading: Useful load · Aircraft weights
Vertical altitude gain per unit time under specified conditions.
Varies with weight, altitude and temperature.
Also called: ROC
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
Vertical loss of altitude per unit time.
Used in approach/glide planning and VSI indication.
Also called: ROD
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
The approved power rating associated with specified operating conditions and limits.
100 hp, 110 hp and 130 hp contexts exist in the family.
Also called: horsepower
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
In FAA terminology, a rebuilding process with specific regulatory meaning and privileges, not simply a synonym for overhaul.
Engine records may distinguish factory rebuild from overhaul.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Internal-combustion engine using pistons moving in cylinders and a crankshaft to convert combustion pressure into rotation.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Process of rebuilding missing history/status using authority files, invoices, work orders and other credible evidence.
Can reduce but not eliminate uncertainty.
Related reading: Buying Guide · Prebuy Guide
An inspection required or recommended at repeated intervals after initial accomplishment.
Many AD/SID tasks recur.
Also called: repetitive inspection
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Instrument marking indicating a maximum/minimum limitation or prohibited boundary depending on the instrument.
On airspeed indicator commonly Vne red radial line; engine instruments also use red limits.
Related reading: Cessna 150 and 152 Pitot-Static and Instrument Relationships · Cessna 150 and 152 Airspeeds
French manufacturer/licensee associated with production of F150/FA150/FRA150/F152/FA152 variants.
Historically separate manufacturing lineage despite later TC administration transfers.
Also called: Reims Cessna
Related reading: History · Models and generations
Equipment previously installed but removed with appropriate records/configuration updates where required.
May explain empty-weight/avionics/manual changes.
Related reading: Systems · Known Issues
An FAA-certificated repair station authorized for specified ratings/operations under its certificate and operations specifications.
May maintain avionics, propellers, instruments or aircraft depending on ratings.
Related reading: Technical Documents · Reims-Cessna Certification
Opposition to electric current, expressed in ohms.
Used in wiring, sensors, bonding and troubleshooting.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
A formally identified change level of a document or publication.
Exact current revision can be safety/legal critical.
Also called: Rev
Related reading: Technical Documents · Cessna 150 manuals and documents
The number of complete rotations of a shaft in one minute.
RPM describes engine or propeller rotational speed. Use the applicable aircraft and engine limitations; the same rpm does not establish the same power across different engine installations.
Also called: RPM; rev/min
Related reading: Engines · Propellers
Actual weighing of aircraft to establish current W&B data under prescribed procedure.
Used where required or when records demand it.
Related reading: Useful load · Aircraft weights
Structural member defining airfoil shape and transferring/distributing loads between skin, spars and other structure.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
Mixture setting on the rich side of peak exhaust-gas temperature under an approved mixture-management method.
General piston-engine concept; exact target varies by engine/POH.
Also called: ROP; rich-of-peak
Related reading: Cessna 150 and 152 Engine Controls · Cessna 150/152 Carburetor Heat
Adjustment and verification of control, structural or system geometry/tension/travel to approved specifications.
Critical to flap/control travel and cable tension.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Rigid metallic or other approved tubing conveying fluid or pressure between components.
Used in fuel, brake, pitot-static and other systems.
Related reading: Systems · Known Issues
Lever transmitting pushrod/lifter motion to open an engine valve.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Shaft/pin supporting rocker-arm pivot movement.
O-200 boss/shaft area is a known inspection concern.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Spherical or jointed bearing at a control rod/link end permitting angular movement while transmitting load.
Common maintenance wear/looseness inspection concept.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Flap Systems
Rotation about aircraft longitudinal axis.
Controlled primarily by ailerons.
Related reading: Performance · Aerobat
Primary yaw-control surface on the vertical tail.
Also called: rudders
Related reading: Cessna 150/152 Rudder-Stop Modifications and Corrosion Research · Systems · Known Issues
Structural/control attachment on the rudder transmitting control forces from the linkage/cables.
Also called: rudder horns
Related reading: Systems · Known Issues
Pilot foot control commanding rudder and, through associated mechanisms, often nose-wheel steering/brakes as designed.
Rudder pedal torque-tube inspection appears in SID context.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Flap Systems
Tube/shaft linking rudder pedal mechanisms and transmitting control loads as designed.
SID 27-20-01 addresses rudder pedal torque tube in C150 family.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Flap Systems
Mechanical stop limiting rudder travel to the approved range.
Certain modification structures are corrosion/damage concerns.
Related reading: Systems · Known Issues
Engine/system operational check at specified RPM/settings before takeoff.
Magneto/carb heat/engine instruments are checked per exact POH.
Related reading: Performance · Aerobat
Variation in position of a rotating or nominally straight surface measured relative to a reference as it rotates/moves.
May apply to shafts, discs, propellers or wheels under component procedures.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Current surface condition affecting friction, rolling resistance and aircraft control.
Can materially invalidate dry-paved POH assumptions.
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
Presence of water, snow, slush, ice or other material affecting aircraft ground performance/control.
Legacy POH data may not quantify modern contaminated-runway performance.
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
Published physical/declared runway length relevant to aircraft takeoff/landing planning.
Must be compared with actual calculated performance, not brochure figures.
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
Longitudinal gradient of the runway surface, affecting acceleration/deceleration and performance.
Use POH corrections only if published.
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
Material/condition category of runway surface such as asphalt, concrete, grass or gravel.
Performance corrections may depend on surface.
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
Wire installed in an approved pattern to prevent rotation/loosening of specified fasteners or components.
Common in engine/prop/maintenance hardware.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Linear surface damage from abrasion or contact; significance depends on depth, material and location.
Propeller/skin/transparency scratches have different criteria.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Threaded fastener generally driven by head feature and used for panels, components or assemblies as designed.
Throttle-body screw security is a known issue context.
Related reading: Cessna 150 and 152 Tail Attachments · Cessna 150/152 Replacement Parts
Component or interface intended to prevent leakage/contamination while allowing required mechanical relationship.
Engine, wheel, brake and control systems use many seal types.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Pin or locking element engaging the seat rail to hold the seat in a selected position.
Part of seat-rail AD inspection logic.
Also called: seat pin
Related reading: Cessna 150 and 152 Seat Rails · Prebuy Guide
Track structure on which an adjustable seat moves and locks.
Subject of FAA AD 2011-10-09 family inspection requirements.
Also called: seat track; seat rails
Related reading: Cessna 150 and 152 Seat Rails · Prebuy Guide
Nut incorporating a locking feature to resist loosening, subject to limitations on reuse/temperature/rotation.
Common aircraft hardware but not interchangeable with every castle nut application.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Structure in which stressed skin works with longerons, stringers, frames and bulkheads to carry loads.
General structural concept relevant to metal light aircraft.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
A manufacturer- or authority-assigned identifier used to distinguish an aircraft or product.
Cessna, Reims and Argentine local conventions differ.
Also called: S/N; serial; SN; serial numbers
Related reading: Cessna 150 serial numbers · Buying a Cessna 150 or 152 · Serial Number Lookup
A documented start-to-end serial applicability interval.
Read a range together with explicit exclusions. Serial 15064970 belongs to A150M despite its position in an ordinary 150G interval.
Also called: serial interval
Related reading: Buying a Cessna 150 or 152 · Serial Number Lookup
Manufacturer/design-holder service information describing inspections, modifications, repairs or other technical actions.
Cessna uses several service-information publication families.
Also called: SB; service bulletins
Related reading: Service Bulletins, SAIBs and ADs · Maintenance planning and records · Cessna 150/152 Maintenance Planning
The altitude at which maximum rate of climb decreases to the criterion used by the source definition.
Historic Cessna handbooks publish model-specific values.
Related reading: Cessna 150 and 152 Service Ceiling · Performance · Reading Cessna 150 and 152 Performance Figures
A Cessna/Textron service-publication class used for specified engineering/service actions.
Also called: SEB
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Manufacturer service communication used for technical information, recommendations or actions under the publisher's document system.
Also called: SL
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
A manufacturer/approved dimensional, wear or condition limit determining serviceability under the applicable data.
Exact limits belong to current maintenance data.
Also called: wear limit
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Manufacturer maintenance instructions for inspecting, servicing, troubleshooting and repairing the aircraft family within stated effectivity.
Also called: maintenance manual
Related reading: Cessna 152 Service Manual D2064-1-13 · Technical Documents · Cessna 150 manuals and documents
A component or aircraft condition meeting applicable requirements for intended service at the time of determination.
Must be based on inspection/records/data.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Routine replenishment, adjustment or maintenance action such as adding oil, inflating tires or servicing a strut according to approved instructions.
C150/152 owner/operator tasks depend on jurisdiction and procedure.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Device damping rapid side-to-side oscillation of the nose wheel/steering system.
May be installed depending on model/configuration.
Also called: shimmy dampers
Related reading: Cessna 150 and 152 Landing Gear · Cessna 150 and 152 Brakes
Maintenance facility labor charge rate, excluding parts and other fees as defined by shop.
Varies significantly by region/shop/capability.
Related reading: Ownership · Cessna 150 and 152 Operating Costs
Upper-torso restraint used with lap belt to improve occupant protection.
May be factory, service-kit or aftermarket installation.
Related reading: Cessna 150 and 152 Seats, Restraints and Doors · Cessna 150 and 152 Cabin Heat
A Cessna single-engine service-information publication class.
Example: SEL-27-02 R1 rudder horn corrosion.
Also called: SEL
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Sheet or panel forming the external aircraft surface and contributing to structural load carrying where designed.
Corrosion, dents, cracks and repairs can affect C150/152 skins.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
Electromagnetic device used to actuate a switch, valve or mechanical function.
Starter contactors and other components may be colloquially called solenoids.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Component maintaining a specified separation or axial position between parts.
Used in control/hinge/bearing assemblies.
Related reading: Cessna 150 and 152 Tail Attachments · Cessna 150/152 Replacement Parts
Primary spanwise structural member carrying major bending/shear loads in a wing or tail surface.
Spar attachment fittings and aging structure are important C150/152 inspection contexts.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
Longitudinal upper/lower portion of a spar designed to carry substantial bending loads.
General structural term for repair/inspection context.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
Web portion of a spar connecting caps/flanges and carrying shear/other loads as designed.
General structural repair terminology.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
Ignition device producing an electrical spark across electrodes in the combustion chamber.
Typically two plugs per cylinder in dual-magneto aviation piston systems, subject to engine configuration.
Also called: spark plugs
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Contamination/deposits on spark-plug electrodes/insulator that can impair ignition performance.
Lead/carbon/oil fouling may occur depending on operation/engine condition.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
FAA informational safety material that generally does not have the legally enforceable status of an AD.
Also called: SAIB; SAIBs
Related reading: Airworthiness Directives · Cessna 150/152 AD Compliance Records
A serial handled outside ordinary range rules because certification or history requires an explicit override.
A1500433 belongs to A152 rather than A150L; the written exception takes precedence over its familiar prefix.
Related reading: Buying a Cessna 150 or 152 · Serial Number Lookup
Stall-speed designation in a configuration specified by the controlling certification/manual source.
Exact meaning/configuration must come from source.
Also called: Vs1
Related reading: Cessna 150 and 152 Airspeeds · Reading Cessna 150 and 152 Performance Figures
Autorotative descending flight after stall with yaw/roll producing a helical path.
Aerobat vs standard model approval/recovery procedures must remain separate; some STCs prohibit spins.
Related reading: Performance · Aerobat
Aerodynamic cover over propeller hub/attachment region.
Cracks, bulkhead condition and fasteners are inspection items.
Related reading: Propellers · Cessna 150 and 152 Propeller Records
Structural support plate attaching/supporting spinner to propeller/hub arrangement.
Cracks/fastener holes can be condition items.
Related reading: Propellers · Cessna 150 and 152 Propeller Records
A fixed tail surface that contributes to longitudinal or directional stability.
Horizontal and vertical stabilizers have different roles; the elevator and rudder are their associated movable controls.
Also called: stabilizers; stabiliser; stabilisers
Related reading: Cessna 150 and 152 Flight Controls · Systems
Informal term for multiple STC modifications installed on the same aircraft.
Compatibility, AFMS, ICA, W&B and performance interactions require review.
Related reading: Models and generations · Technical Documents
Condition in which wing/airfoil exceeds critical angle of attack and airflow separation causes a substantial loss of lift.
Stall speed varies with configuration/load factor; stall is fundamentally angle-of-attack based.
Related reading: Cessna 150 and 152 Stall Warning · Performance · Aerobat
A stall-speed designation whose exact subscript/configuration and basis must be read from the controlling source.
C150/152 manuals publish different configurations and bases.
Also called: Vs
Related reading: Performance · Aerobat
System providing aerodynamic/electrical warning as aircraft approaches stall under its design conditions.
C150/152 typically use a wing leading-edge warning device depending on model/configuration.
Related reading: Cessna 150 and 152 Stall Warning · Systems · Known Issues
Audible device activated by the stall-warning sensing system.
Preflight functional check may be specified.
Related reading: Systems · Known Issues
Reference atmospheric model defining standard pressure, temperature and density variation with altitude.
POH performance charts use standard-atmosphere relationships and temperature deviation.
Also called: ISA
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
Equipment defined as standard in a specific manufacturer/model/year source, not necessarily still installed today.
Useful historical/factory context.
Related reading: Systems · Known Issues
Temperature defined by the standard-atmosphere model at a given altitude.
Used to understand density altitude/performance.
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
Electric or other motor/mechanism used to rotate the engine for starting.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Clutch mechanism transmitting starter torque while allowing disengagement/freewheeling as designed.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
High-current electrically controlled switch connecting battery power to the starter circuit.
Exact arrangement varies by engine/electrical configuration.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Ring gear engaged by starter drive to rotate engine during starting.
Condition can affect starting-system performance.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
The State having jurisdiction over the organization responsible for the type design under international aviation framework.
Cessna/Reims histories require careful State-of-Design/Manufacture context.
Related reading: Airworthiness Directives · Cessna 150/152 Aircraft Documents
The State having jurisdiction over the organization responsible for final assembly/production under the applicable international framework.
Relevant to Reims and Argentina production history.
Related reading: Airworthiness Directives · Cessna 150/152 Aircraft Documents
The State on whose civil aircraft register an aircraft is entered.
Controls important continuing-airworthiness/operational responsibilities.
Related reading: Airworthiness Directives · Cessna 150/152 Aircraft Documents
Obstruction preventing static system from sensing ambient pressure correctly.
Affects airspeed, altimeter and VSI.
Related reading: Cessna 150 and 152 Pitot-Static and Instrument Relationships · Cessna 150 and 152 Airspeeds
Opening sensing ambient static air pressure for pitot-static instruments.
Blockage/leaks affect altimeter, VSI and airspeed.
Also called: static ports
Related reading: Cessna 150 and 152 Pitot-Static and Instrument Relationships · Cessna 150 and 152 Airspeeds
Engine RPM obtained at full/defined power with aircraft stationary under specified conditions, used as a propeller/engine performance check where published.
Exact acceptable range depends on engine/propeller/aircraft data.
Related reading: Cessna 150/152 Static RPM · Engines · Propellers
Leak in static-pressure plumbing/system causing instrument errors depending on location and pressure differences.
Important for IFR/test compliance where applicable.
Related reading: Cessna 150 and 152 Pitot-Static and Instrument Relationships · Cessna 150 and 152 Airspeeds
Conductive device fitted to trailing edges to dissipate accumulated static charge, where installed.
Not universal C150/152 original equipment; may be retrofit.
Related reading: Cessna 150 and 152 Pitot-Static and Instrument Relationships · Cessna 150 and 152 Airspeeds
A longitudinal location measured from the aircraft datum, typically identified by distance.
Used for seats, baggage, components and structural locations.
Also called: fuselage station
Related reading: Useful load · Aircraft weights
The condition that a model/serial/configuration falls within an STC's approved effectivity or candidate scope.
Also called: STC applicability
Related reading: Models and generations · Technical Documents
Iron-based alloy used for high-strength aircraft components such as mounts, fittings, hardware and engine parts.
Corrosion protection and inspection differ from aluminum.
Related reading: Cessna 150 and 152 Structural Corrosion · Cessna 150 and 152 Wing Corrosion
Drilling at a crack tip to reduce stress concentration/growth only where specifically permitted by approved repair data.
Not a universal acceptable repair for aircraft cracks.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Light longitudinal stiffener supporting skin and carrying/distributing structural loads.
Present in fuselage/wing structures as applicable.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
High-intensity flashing anti-collision light system where installed.
Often retrofit on older aircraft.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Repair restoring structural integrity/conformity using approved or acceptable data as legally required.
Damage history must include approval/quality evidence.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Instrument indicating vacuum/suction level in a pneumatic instrument system.
Only relevant where system is installed.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Low point in a fuel system or tank where water/contaminants may collect for draining.
Used in preflight fuel sampling.
Related reading: Fuel system · Fuel capacity
Document or requirement replaced by a later document that explicitly supersedes it.
Related reading: Technical Documents · Cessna 150 manuals and documents
Manufacturer supplemental inspection data addressing aging-aircraft structural and system inspection needs.
Also called: SID; supplemental inspection program
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
A type-certificate approval for a change to an aeronautical product from its original approved design.
An STC for a U.S. Cessna does not automatically include its Reims counterpart. Read the approved model and installation scope.
Also called: STC; STCs; supplemental type certificates
Related reading: Models and generations · Technical Documents
General corrosion initially affecting exposed surface areas, severity depending on material loss and extent.
CPCP categorization requires exact source definitions.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Time accumulated by a tachometer hour-recording mechanism, often weighted by engine RPM.
Common maintenance/rental reference but not automatically identical to TIS.
Also called: tachometer time
Related reading: Engine time · Cessna 150/152 Airframe Time
Instrument indicating engine rotational speed.
C150/152 power settings and engine limits depend on exact RPM.
Related reading: Engines · Maintenance planning and records
Published distance required for takeoff under stated weight, configuration, runway and atmospheric conditions.
Related reading: Cessna 150 and 152 Takeoff Distance · Performance · Reading Cessna 150 and 152 Performance Figures
An approved engine power setting or rating permitted for takeoff, sometimes subject to a time limit.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Valve-train follower transmitting camshaft motion into pushrod/valve motion; design may include hydraulic function.
Wear/corrosion can relate to cam/lifter condition.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
FAA minimum performance standard issued for specified materials, parts, processes or appliances.
Avionics/instruments may be TSO articles, but installation approval is separate. TSO can also mean time since overhaul in an aircraft advertisement; identify the intended meaning from the record.
Also called: TSO
Related reading: Models and generations · Technical Documents
Difference between actual air temperature and standard-atmosphere temperature at the same pressure altitude.
Higher-than-standard temperature degrades density-altitude performance.
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
A manufacturer-issued temporary revision that changes specified content pending incorporation into a later full revision.
Also called: TR
Related reading: Technical Documents · Cessna 150 manuals and documents
An approved action that terminates a specified repetitive AD requirement when the AD explicitly permits it.
Must be tied to exact AD text.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Aircraft manufacturer associated with the Cessna brand and its technical publications.
Historical manufacturer names and later certificate administration describe different parts of an aircraft’s history.
Related reading: History · Models and generations
Pilot control commanding throttle-valve position and thereby engine airflow/power within system limitations.
C150/152 carbureted engines use throttle plus mixture/carb heat controls.
Related reading: Cessna 150 and 152 Engine Controls · Cessna 150/152 Carburetor Heat
Carburetor/induction body containing throttle-valve components and associated fasteners or passages.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Method/points used to secure parked aircraft against wind movement.
Exterior storage affects corrosion/insurance/ownership planning.
Related reading: Ownership · Cessna 150 and 152 Operating Costs
A manufacturer or authority-defined overhaul interval applicable under specified conditions.
May be recommendation, program requirement or regulatory requirement depending on operation/jurisdiction.
Also called: TBO; overhaul interval
Related reading: Engine TBO · Maintenance planning and records · Cessna 150/152 Maintenance Planning
Accumulated service time used by a requirement or maintenance record as defined by the controlling document.
Many ADs and maintenance intervals use TIS.
Also called: TIS
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Accumulated service time since a component was new, as documented.
Engine/prop/component history field.
Also called: TSN
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Accumulated service time since the last qualifying overhaul.
TSO and TSOH describe elapsed time after an overhaul. SMOH narrows the description to time since major overhaul; it does not reset the product’s total time.
Also called: TSO; TSOH; SMOH; since major overhaul; time since major overhaul
Related reading: Engine time · Maintenance planning and records · Cessna 150/152 Maintenance Planning
Pneumatic tire supporting aircraft ground loads and providing traction/shock absorption.
Size/ply/pressure depend on approved configuration.
Related reading: Cessna 150 and 152 Landing Gear · Cessna 150 and 152 Brakes
Inflation pressure specified for installed tire/aircraft configuration.
Affects handling, wear and rolling resistance.
Related reading: Cessna 150 and 152 Landing Gear · Cessna 150 and 152 Brakes
Loss/deterioration of tire tread/rubber from use, alignment, braking and environment.
Uneven wear can be a clue to alignment/brake issues.
Related reading: Cessna 150 and 152 Landing Gear · Cessna 150 and 152 Brakes
A review of ownership, recorded liens and title-chain information in the applicable legal/registry system.
Also called: aircraft title
Related reading: Buying Guide · Prebuy Guide
Wheel alignment where forward edges of wheels are closer together than rear edges by specified amount.
Exact main-gear alignment terms may apply by model/manual.
Related reading: Cessna 150 and 152 Landing Gear · Cessna 150 and 152 Brakes
Piston position at maximum travel toward cylinder head.
Used in timing/compression procedures.
Also called: TDC
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Rotational force applied to a fastener to achieve specified preload/clamping under defined conditions.
Critical throughout engine, structure, wheels and controls.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Linked members controlling alignment/rotation relationship in an oleo or steering landing-gear assembly.
Nose-gear inspection items include torque-link/fork areas.
Also called: scissor link
Related reading: Systems · Known Issues
Calibrated tool used to apply/measure specified fastener torque.
Maintenance-quality/control concept.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Documented total accumulated service time of an aircraft or component under the applicable record definition.
TT must identify the aircraft or component concerned. TTAF means total time airframe, distinct from the engine’s time since overhaul.
Also called: TT; TTAF; total time airframe; total airframe time
Related reading: Cessna 150/152 Airframe Time · Maintenance planning and records · Cessna 150/152 Maintenance Planning
Direction of aircraft path over the ground.
Differs from heading in crosswind.
Related reading: Range · Cessna 150 and 152 Pitot-Static and Instrument Relationships
Mechanical assembly translating trim-control input into trim-tab or trim-system movement.
Historic elevator-trim actuator/free-play service information exists.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Flap Systems
Small adjustable/control surface used to reduce sustained control force or establish trim.
Elevator trim system is important in 150/152 operation/maintenance.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Flap Systems
Cockpit wheel/control used to adjust trim position through the aircraft trim system.
Common C150/152 elevator trim control.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Flap Systems
Airspeed corrected for air-density effects, representing speed relative to the airmass.
KTAS expresses TAS in knots. Wind then changes groundspeed and trip time, not the aircraft’s speed relative to the surrounding air.
Also called: TAS; KTAS
Related reading: Cessna 150 and 152 Airspeeds · Cessna 150 and 152 Cruise Speed
FAA design and production approval for an article shown to meet an applicable Technical Standard Order.
Relevant to approved avionics/instruments/components.
Also called: TSOA
Related reading: Models and generations · Technical Documents
Gyroscopic instrument indicating rate/direction of turn and roll tendency, paired with inclinometer for coordination information.
Common in training aircraft panels.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Older gyroscopic instrument indicating turn rate plus inclinometer indication of slip/skid.
May appear in older aircraft/panels.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Threaded cable fitting used to adjust and secure tension/length in control-cable systems.
Safetying and thread engagement are maintenance-critical.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Flap Systems
An authority approval of a product type design showing compliance with applicable airworthiness standards.
3A19 covers U.S. family; A13EU covers Reims family in FAA context.
Also called: TC; type certification; type certificates
Related reading: Models and generations · Technical Documents
A public authority data sheet specifying important design, eligibility and operational characteristics associated with a type certificate.
FAA 3A19 covers the U.S. aircraft family; A13EU supplies the Reims certificate context. Neither replaces aircraft-specific maintenance records.
Also called: TCDS
Related reading: Models and generations · Technical Documents
The approved configuration and design data common to products of a type, together with approved changes as applicable.
An aircraft’s original approved design does not establish its present equipment after alterations.
Related reading: Models and generations · Technical Documents
A landing-gear arrangement with two main wheels and a nose wheel, rather than a tailwheel.
The stock Cessna 150 and 152 landplane layout uses this arrangement. Approved conversions or other configurations require their own aircraft documentation.
Also called: tricycle gear
Related reading: Cessna 150 and 152 Landing Gear
Nondestructive method using high-frequency sound waves to evaluate material thickness or discontinuities.
Used where approved for particular structures/components.
Also called: UT
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
A condition identified by an authority as sufficiently unsafe to require corrective regulatory action when likely to exist or develop in other products of the type design.
Basis for AD issuance.
Related reading: Airworthiness Directives · Cessna 150/152 AD Compliance Records
A component classified so it must not re-enter the supply system under the applicable rules/data.
EASA continuing-airworthiness rules use this concept.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
A component determined not suitable for service under applicable requirements/data.
EASA records/material rules define handling of unserviceable components.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Fuel remaining that cannot be safely used under the approval/handbook definition.
Difference between total and usable is configuration-specific.
Related reading: Fuel capacity · Fuel system
Fuel approved/available for flight operations under the stated configuration and conditions.
152 POH distinguishes total and usable fuel.
Related reading: Fuel capacity · Fuel system
An IPC code/effectivity notation indicating which configuration/model/serial uses a listed item.
Interpretation depends on exact IPC legend.
Also called: UOC; usable-on code
Related reading: Cessna 150/152 Replacement Parts · Technical Documents
The difference between an applicable maximum weight and the aircraft's defined empty weight, according to the relevant convention.
Subtract the actual aircraft’s defined empty weight from the applicable maximum weight. Fuel and occupants share this allowance.
Related reading: Useful load · Aircraft weights
A certification category with specified maneuver/load-factor privileges and limitations under the applicable basis.
Standard C150/152 variants have utility-category contexts.
Related reading: Models and generations · Technical Documents
Filter removing contaminants from airflow in a vacuum/suction instrument system.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Engine-driven or other pump generating suction for pneumatic instruments where installed.
Can be original/retrofit configuration; failure affects dependent gyros.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
System using suction/vacuum to power specified gyro instruments or equipment where installed.
Also called: suction system
Related reading: Systems · Known Issues
Guide supporting valve-stem alignment and movement in the cylinder head.
Wear/sticking can affect valve operation.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Hardened seating surface against which a valve closes to seal the combustion chamber.
Leakage/burning can reduce compression.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Formation of fuel vapor in lines/components causing interruption or restriction of liquid fuel flow under susceptible conditions.
Fuel/system/modification dependent.
Related reading: Fuel system · Fuel capacity
Cost that changes materially with flight hours/use, such as fuel, oil, hourly maintenance reserves.
Not universal across aircraft/locations.
Related reading: Ownership · Cessna 150 and 152 Operating Costs
A distinct version within a family such as standard, Aerobat or Reims higher-power configuration.
Can change category, manuals, engine and performance.
Related reading: Buying a Cessna 150 or 152 · Serial Number Lookup
Fuel filler cap incorporating a vent path where required by the approved fuel-system configuration.
Certain historic fuel-venting actions depend on cap configuration.
Also called: vented cap; vented fuel caps
Related reading: Fuel system · Fuel capacity
A converging/diverging airflow passage producing a pressure change used in carburetor fuel metering.
Also called: carb venturi
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Instrument indicating rate of change of static pressure as vertical speed.
May lag during rapid changes.
Also called: VSI
Related reading: Cessna 150 and 152 Pitot-Static and Instrument Relationships · Cessna 150 and 152 Airspeeds
Vertical tail surface providing directional stability and supporting the rudder.
Aft fin attachment fitting is a known inspection area.
Also called: fin
Related reading: Systems · Known Issues
Flexible mount element reducing vibration transmission while supporting the engine according to the design.
Condition can affect engine alignment/vibration.
Related reading: Cessna 150 and 152 Flight Controls · Cessna 150 and 152 Wing Corrosion
Resistance of a fluid to flow, varying with temperature and formulation.
Engine oil grades are selected partly by viscosity behavior.
Related reading: Engines · Continental O-200 vs Lycoming O-235 in the Cessna 150 and 152
Distance at which objects/lights can be seen and identified under applicable meteorological reporting definition.
Legal VFR/IFR minima are jurisdiction/airspace dependent.
Related reading: Cessna 150 and 152 Density Altitude · Cessna 150 and 152 Takeoff Distance
Inspection primarily using visual observation, with aids/access as specified by the controlling data.
Scope can range from general to detailed depending on source wording.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Device controlling generator/alternator output to maintain electrical-system voltage within intended limits.
Exact unit/architecture varies by installed charging system.
Also called: voltage regulators
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Instrument displaying the electrical system voltage.
May be original or added avionics/equipment.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Material or dimensional loss/change caused by use, motion, contact or friction.
Seat rails, rollers, flap mechanisms and controls have wear concerns.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Gravitational force associated with aircraft mass; aviation manuals commonly express aircraft 'weight' in pounds.
W&B terminology follows source conventions.
Related reading: Aircraft weights · Performance · Aerobat
Aircraft-specific document establishing empty weight, moment/CG and equipment configuration.
Also called: W&B
Related reading: Useful load · Aircraft weights
Runway surface affected by water such that braking/rolling performance may differ from dry conditions.
Legacy C150/152 POHs may lack comprehensive wet-runway correction data.
Related reading: Performance · Reading Cessna 150 and 152 Performance Figures
Toe/camber or other wheel alignment parameters established by aircraft/gear design.
Misalignment can cause tire wear/handling issues.
Related reading: Cessna 150 and 152 Landing Gear · Cessna 150 and 152 Brakes
Bearing supporting wheel rotation on the axle.
Inspection, cleaning, lubrication and adjustment are routine maintenance concerns.
Related reading: Cessna 150 and 152 Landing Gear · Cessna 150 and 152 Brakes
Rule requiring action at the earliest of multiple limits such as hours or calendar time.
Important in SID and maintenance tasks.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
Flap operating range marking on an airspeed indicator under the applicable definition.
Read the endpoints and their airspeed basis in the applicable aircraft manual.
Related reading: Cessna 150 and 152 Pitot-Static and Instrument Relationships · Cessna 150 and 152 Airspeeds
Forward transparent panel providing external visibility and environmental protection.
Scratches/crazing/seals and replacement approval affect condition/value.
Related reading: Cessna 150 and 152 Seats, Restraints and Doors · Cessna 150 and 152 Cabin Heat
Inboard wing region where the wing joins the fuselage.
Related reading: Systems · Known Issues
Primary structural member carrying major wing bending loads.
Related reading: Systems · Known Issues
External structural member bracing the wing to the fuselage.
C150/152 aging/attachment inspection areas include struts and fittings.
Also called: wing struts
Related reading: Systems · Known Issues
Grouped electrical wires routed together through an aircraft area.
Related reading: Cessna 150 and 152 Electrical Systems · Maintenance planning and records
Rotation about aircraft vertical axis.
Controlled primarily by rudder.
Related reading: Performance · Aerobat
Caution range on airspeed indicator, generally for smooth air with caution under applicable rules/manual.
Exact endpoints model-specific.
Related reading: Cessna 150 and 152 Pitot-Static and Instrument Relationships · Cessna 150 and 152 Airspeeds
A time status that may be assigned only under specific regulatory/manufacturer rebuilding provisions; not every overhaul resets total time to zero.
Important buying/engine-record terminology.
Related reading: Maintenance planning and records · Cessna 150/152 Maintenance Planning
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