Cessna 150 Propellers and Approved Applications

Cessna 150 propeller research requires more than a manufacturer name or a familiar diameter. The exact application connects an aircraft model, engine, model-year or configuration condition and approved propeller designation. This reference preserves those relationships, including landplane and seaplane distinctions and the higher-power Reims context. It does not identify the propeller currently installed on an aircraft from its airframe serial alone.

For focused questions across the two families, use the propellers topic guide. This Cessna 150 reference retains the detailed family records and their applicability.

The McCauley 1A102/OCM6948 application guide compares the later U.S. and Reims entries without merging their standard/Aerobat or year conditions.

Begin with the model guide and engine reference. A propeller entry belongs to the configuration stated by its source. Combining the engine from one row, the diameter from another and the static-RPM range from a third can produce a combination that no source actually establishes. Keep the application together throughout the research.

Propeller Families and Exact Designations

The propeller-family table provides manufacturer, basic model, application designation and aircraft-family context. A basic model can be a useful catalog entry point, but the application designation is the more specific reference for the aircraft relationship. Do not discard suffixes or configuration information merely because several entries share a basic model name.

Factory or type-design context is different from STC eligibility and different again from installed equipment. The table's approval context should remain attached to the entry. A propeller associated with a conversion does not become standard equipment on every aircraft named in a broad family list. The individual aircraft records must establish the approved installation being researched.

Support status, where recorded, is source context rather than a live inventory promise. It does not establish availability, serviceability or suitability of a particular propeller. A buyer evaluating an aircraft should compare the propeller identification and records with the relevant application, while recognizing that a matching designation alone is not a condition inspection.

Applications by Model, Year and Configuration

The exact-application table retains grouped model applicability where the source supplies it. A group such as a run of model letters must be expanded only within its explicit boundaries. Grouped wording should neither be dropped from the reference nor treated as permission to include adjacent models. Year and configuration conditions remain visible even when the model relationship is clear.

Several rows can apply to one official model because the aircraft spans multiple model years or approved configurations. That is not a duplicate-data error. It reflects different applications that need to be investigated separately. A reader comparing alternatives must establish which source and conditions control the actual aircraft rather than selecting the most favorable diameter or RPM value.

Blank cells are not approvals. If a dimension, static-RPM limit or application condition has not been established in the extract, obtain the relevant controlling documentation. Do not infer a missing value from the closest-looking propeller or from a general engine rating. The manuals guide explains the distinction between a publication reference and a document that actually controls a particular aircraft.

Diameter Limits and Why the Application Matters

Maximum and minimum diameter entries belong to the stated propeller application. They should remain paired with the exact designation, engine and configuration. A family-level diameter description cannot establish that a particular propeller is within its approved limits, and the application table does not replace the inspection or maintenance information for that propeller.

When comparing historical aircraft specifications, propeller differences can also affect the configuration represented by a published dimension or performance figure. The specifications page keeps dimensional notes, while the performance page retains the conditions attached to published results. Neither provides permission to transfer the result to a different propeller installation without supporting evidence.

For mechanics, the research question is the approved and actual installation, followed by the appropriate component requirements. For owners and buyers, it is useful to understand why a photograph or a seller's abbreviated designation may be insufficient. Preserve the complete component identity and the records needed to connect it to the aircraft.

Static RPM Is Not an Engine Rating

A static-RPM range is recorded as part of a particular propeller application. It does not replace the engine's rating RPM or the aircraft's maximum operating RPM. Those figures have different meanings and should remain in separate fields even when the numbers are close. The engine comparison keeps aircraft-installed and engine-rated values distinct.

A table entry by itself is not a test procedure. The conditions, limitations and methods in the controlling documentation are needed before interpreting any observed result. This reference does not diagnose an engine or propeller from a reported RPM, nor does it decide serviceability from one value. It identifies the application whose documentation should be investigated.

The same caution applies to performance comparisons. A static-RPM figure is not a cruise-speed prediction or a climb guarantee. Published performance must be read with its stated power, altitude, aircraft configuration and other conditions. A modified aircraft requires the applicable approved information rather than a generic family value.

Landplane and Seaplane Applications

The source distinguishes landplane and approved seaplane configurations where their applications differ. A seaplane entry belongs to that configuration and its approval context. It should not be generalized to a standard landplane because the official model letter is shared. The serial guide identifies production eligibility, while the aircraft records establish whether the relevant configuration is present.

Configuration also affects related research into weight, fuel and performance. The fuel reference and weight-and-balance guide retain their own landplane and seaplane boundaries. It would be misleading to combine a propeller application from one configuration with a maximum weight or usable-fuel value from another without a source establishing the combination.

For a buyer, a documented float-related approval is not automatically evidence that the aircraft currently has that installation. Historical equipment and present configuration can differ. The records should establish which configuration and supplements apply now, and any uncertainty should remain visible in the research.

Reims Higher-Power Configurations

Reims propeller applications require the precise F150, FA150 or FRA150 identity and the associated engine context. The A13EU reference describes the configuration-dependent FA/FRA relationship. A qualifying serial is only one part of that decision; the prescribed configuration evidence remains necessary.

A higher-power engine designation does not by itself select a propeller. The exact application table retains the approved pairing and the associated diameter and static-RPM information. Do not transfer an application from one Reims variant to another merely because their names share the same model letter or engine-family description.

A gap in the present model-specific extract is not evidence that the aircraft has no approved propeller options. It means the available source relationship has not been established here. The correct response is further document research, not substitution of a U.S. entry or another Reims configuration.

Records Needed Beyond Serial Eligibility

An airframe serial can narrow factory and type-design research. It cannot establish propeller serial identity, present dimensions, repair history, installation approval or maintenance status. The aircraft and component records are needed to connect a specific propeller to the applicable approval and maintenance information. STC eligibility remains distinct from an installed STC.

Component-driven AD research similarly requires the actual product and conditions. The airworthiness-directive guide explains why the airframe model alone cannot complete a propeller or appliance applicability review. A matching family name does not demonstrate that a particular directive applies, and applicability does not demonstrate compliance.

The known-issues reference is useful for organizing inspection questions. It should not be treated as a list of defects present on every aircraft. Preserve the distinction between an approved application, a maintenance concern, a mandatory action and evidence of the current component's condition.

Questions About Choosing a Propeller Reference

Is the largest listed diameter automatically the correct one?

No. The listed limit belongs to its exact application and conditions. A diameter alone cannot identify an approved combination, and a published limit is not an instruction to select or modify a component without the controlling documentation.

Can a propeller be identified from an aircraft model year?

A model year can help select a candidate application, but it cannot prove what is installed. A model can have multiple documented applications or later alterations. Component identification and aircraft records must resolve the actual installation.

Why retain several rows for the same model?

Different model-year, engine or configuration conditions can legitimately produce different application rows. Their separation preserves technical meaning. Read them alongside the relevant model page and the Cessna 150 pillar reference rather than reducing them to a single generic propeller specification.

Comparing Applications Within a Long-Running Model

A model such as the 150L can have several source-qualified propeller entries across its production years and configurations. The correct response is to preserve the alternatives and their conditions, not to select one as the universal propeller for the entire model. A source can also describe an overlapping year range without establishing that every option was fitted to every aircraft in that range.

For a records review, begin with the actual propeller designation and the aircraft's engine and configuration. Then locate the corresponding application and check its year or other stated boundary. If the component description in a record is abbreviated, retain the uncertainty until the complete identity is established. A familiar manufacturer name does not supply the missing suffix or approval context.

The static-RPM and diameter fields become meaningful only after that application relationship is established. They should not be used to choose between rows by preference or to construct a hybrid specification from several entries. A maintenance decision additionally requires the controlling component instructions and actual condition evidence. The table's purpose is to make that research path visible, including places where the source extract cannot safely provide the final answer.

For earlier installations, consult the Sensenich 69CK guide. For the L generation, the GCM/HCM/PCM comparison preserves overlapping applications and the distinct Reims HCM year range.

Explore the Applicable Model References

Follow the aircraft identity before applying a technical figure. Each model reference preserves its own serial ranges and supported relationships; missing exact relationships are left unresolved rather than inherited from another model.

• Cessna 150 (150) - 1959-1960
• Cessna 150A (150A) - 1961
• Cessna 150B (150B) - 1962
• Cessna 150C (150C) - 1963
• Cessna 150D (150D) - 1964
• Cessna 150E (150E) - 1965
• Cessna 150F (150F) - 1966
• Cessna 150G (150G) - 1967
• Cessna 150H (150H) - 1968
• Cessna 150J (150J) - 1969
• Cessna 150K (150K) - 1970
• Cessna A150K Aerobat (A150K) - 1970
• Cessna 150L (150L) - 1971-1974
• Cessna A150L Aerobat (A150L) - 1971-1974
• Cessna 150M (150M) - 1975-1977
• Cessna A150M Aerobat (A150M) - 1975-1977
• Reims/Cessna F150F (F150F) - 1966
• Reims/Cessna F150G (F150G) - 1967
• Reims/Cessna F150H (F150H) - 1968
• Reims/Cessna F150J (F150J) - 1969
• Reims/Cessna F150K (F150K) - 1970
• Reims/Cessna FA150K Aerobat (FA150K) - 1970
• Reims/Cessna F150L (F150L) - 1971-1974
• Reims/Cessna FA150L Aerobat (FA150L) - 1971
• Reims/Cessna FRA150L Aerobat (FRA150L) - 1972-1974
• Reims/Cessna F150M (F150M) - 1975-1977
• Reims/Cessna FRA150M Aerobat (FRA150M) - 1975-1977
• AMC / Argentine Cessna A-150L (A-150L) - 1972-1973
• AMC / Argentine Cessna A-A150L Aerobat (A-A150L) - 1972-1973

Related Cessna 150 Research

• Models and Variants
• Specifications and Certified Limits
• Engines and Applicability
• Performance by Model Year
• Fuel Capacity and Tanks
• Weight, CG and Loading
• Systems and Production Changes
• Airworthiness Directives
• Known Issues and Prebuy Research
• Manuals and Documents