# N9443L: American AA-1A, registration cancelled 1975-02-28

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 28, 1975
- Status when cancelled: Valid registration
- Airframe: [American AA-1A](https://openairdocs.org/model/american-aa-1a) (registry code 0630710)
- Data sheets: [TCDS A11EA](https://openairdocs.org/tcds/A11EA) (OpenAirDocs)
- Serial number: AA1A-0243
- Type of aircraft: Fixed wing single engine
- Mode S code: AD1ED0
- Owner when cancelled: [Stegeman John E](https://openairdocs.org/faa-owner/STEGEMAN%20JOHN%20E)
- Location: [San Mateo, CA](https://openairdocs.org/faa-place/CA/San%20Mateo)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N9443L
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9443L
- Page: https://openairdocs.org/deregistered/N9443L-1975-02-28

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 American AA-1A: https://openairdocs.org/model/american-aa-1a.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 OAK75AP028](https://openairdocs.org/ntsb/OAK75AP028), Dec 29, 1974: Amer Avco AA1-A (N9443L), Newark, CA, destroyed, 1 fatal

## 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 19741229042629A](https://openairdocs.org/incident/19741229042629A), Dec 29, 1974: Grumav AA1A (N9443L), Newark, CA, Destroyed. Lost ctl drg low alt wing ovr. Crashed in salt evaporative tank.

## Other aircraft with N9443L

- [Registered now](https://openairdocs.org/aircraft/N9443L): Cessna 172P, S/N 17276558

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