# N6550L: 1974 Grumman American Avn. AA-1B, registration cancelled 2021-02-27

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 27, 2021
- Status when cancelled: Sale reported, canceled
- Airframe: [Grumman American Avn. AA-1B](https://openairdocs.org/model/grumman-american-avn-aa-1b) (registry code 3960103)
- Engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505)
- Data sheets: [TCDS A11EA](https://openairdocs.org/tcds/A11EA), [TCDS E-223](https://openairdocs.org/tcds/E-223) (OpenAirDocs)
- Serial number: AA1B-0350
- Year built: 1974
- Type of aircraft: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Standard, normal, utility
- Airworthiness date: February 12, 1974
- Last registry action: May 27, 2020
- Mode S code: A8A1B0
- Location: [Crystal, MN](https://openairdocs.org/faa-place/MN/Crystal)
- Owner type: Individual
- Owner's area on the map: 45.0637° N, 93.3412° W: Placed by OpenAirDocs at the center of ZIP code 55429, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N6550L
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6550L
- Page: https://openairdocs.org/deregistered/N6550L-2021-02-27

From the FAA registry file of November 5, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Grumman American Avn. AA-1B: https://openairdocs.org/model/grumman-american-avn-aa-1b.md

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CEN18LA173](https://openairdocs.org/ntsb/CEN18LA173), May 15, 2018: Grumman American Avn. AA 1B (N6550L), Hamilton, OH, substantial damage. Probable cause: The loss of engine power during takeoff for reasons that could not be determined because postaccident examination revealed no evidence of mechanical malfunctions or failures that would have precluded…

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20180515005379A](https://openairdocs.org/incident/20180515005379A), May 15, 2018: Grumman American Avn. Corp. AA-1B (N6550L), Hamilton, OH, Substantial damage. The aircraft took off of runway 29, at altitude of approximately 200 to 400 feet AGL the engine failed to produce power. A witness reported hearing the engine…

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