Buying a Cessna 150 or 152: Model Plate, Serial and Record Identity
Before comparing engine hours or equipment on a Cessna 150/152 offered for sale, establish which aircraft the records describe. Model designation, serial number, model year and registration are different identifiers. The retained identity evidence specifically warns against treating a model-year serial grouping as proof of an individual manufacture or delivery date.
Build a consistent identity record
Record the model and serial exactly as they appear in the available aircraft identification and documents. Preserve punctuation and prefixes before normalizing them for a search. Then compare the logbook headings, weight-and-balance report, flight-manual identification and major alteration records for consistency.
| Reference family | Topic | Authoritative Finding | Reference |
|---|---|---|---|
| Cessna 150 | Argentine designations | A-150L and A-A150L appear in Cessna service/parts material and FAA AD applicability, but not as direct model entries in 3A19. | [1] |
| Cessna 150 | Model year vs manufacture date | Cessna TCDS and service documents use model-year serial groupings. Individual manufacture or delivery dates may differ. | [2] |
A discrepancy is a question to resolve, not permission to choose whichever version best fits a sales description. A document may use shorthand, an older registration or a different notation. The supporting evidence must explain that relationship before the records can confidently be treated as belonging to the same aircraft.
Serial exceptions defeat prefix shortcuts
The accepted lookup identifies A1500433 in the A152 context and 15064970 as an A150M exception. Those examples show why prefix-only or range-only interpretation can be misleading. The Cessna 150 serial guide and Cessna 152 serial guide retain the exceptions alongside the ordinary groups.
A short special serial is not an invitation to pad digits until it falls into a convenient range. Equally, a model-year result does not establish the exact day the aircraft was built, delivered or first registered. Keep those dates separate when interpreting an advertisement or historical log.
International names need their own evidence
Reims F, FA and FRA designations preserve manufacturer and configuration relationships. The Reims identification guide explains why they should not simply be translated into a U.S. model name. Argentine A-150L and A-A150L labels also require their own source context and cannot be assigned a direct 3A19 model entry merely to simplify a form.
Exact Argentine cross-reference pairs are different from broad block relationships. A block association does not establish a particular aircraft's equivalent serial, and a normalized label does not prove a uniquely identified physical airframe.
Identity does not establish equipment or condition
Once the identity is resolved, use it to select the appropriate model reference and research scope. The resulting factory engine or propeller entry is still not proof of what is installed today. Continue into the logbook review and alteration history to establish the current configuration.
This sequence avoids carrying an early identity assumption into every later conclusion. A convincing purchase file connects the aircraft, its documents and its installed equipment, while clearly retaining any unresolved mismatch for further inspection or authoritative record review.
Identity in a major-work record
FAA Form 337 instructions identify the manufacturer's plate as the source for the aircraft make, model and serial fields. That gives a reviewer a concrete comparison point when a form, advertisement and logbook use different labels. Preserve the exact serial while investigating the discrepancy.
The FAA aircraft-records guide can help locate additional material for a U.S. aircraft. A returned file still needs reconciliation with the documents and aircraft being offered. Do not interpret a familiar registration mark as a permanent substitute for the manufacturer's serial, especially when a history spans registration changes or several installations.
Use the serial result as a research starting point
The model and serial lookup now separates ordinary range matches, explicit exceptions and unresolved matches. It links a result to the relevant model evidence while retaining recorded year conflicts and Reims kit conditions. Keep the original aircraft label in the file so the result can be checked against the same evidence.
Use that identity when preparing a replacement-part enquiry. The lookup identifies a source relationship; installed component designations and alteration records must establish the aircraft’s present configuration separately.