# N9951U: 1978 Grumman American Avn. AA-1C, registration cancelled 2013-08-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 21, 2013
- Status when cancelled: Sale reported, canceled
- Airframe: [Grumman American Avn. AA-1C](https://openairdocs.org/model/grumman-american-avn-aa-1c) (registry code 3960100)
- 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: AA1C0167
- Year built: 1978
- Type of aircraft: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Standard, utility
- Airworthiness date: April 20, 1978
- Last registry action: September 18, 2009
- Mode S code: ADE7C4
- Location: Hawkesbury, Canada
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N9951U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9951U
- Page: https://openairdocs.org/deregistered/N9951U-2013-08-21

From the FAA registry file of November 7, 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-1C: https://openairdocs.org/model/grumman-american-avn-aa-1c.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 ANC78DAG87](https://openairdocs.org/ntsb/ANC78DAG87), Jul 21, 1978: Grum Amer AA1C (N9951U), Cantwell, AK, substantial damage

## 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 19780721019989A](https://openairdocs.org/incident/19780721019989A), Jul 21, 1978: Grumav AA1C (N9951U), Cantwell, AK, Substantial damage. 2100FT wet/rough/upslope rwy.

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