# N9956L: Grumman American Avn. AA-1B, registration cancelled 1992-05-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 15, 1992
- Status when cancelled: Triennial form not returned
- Airframe: [Grumman American Avn. AA-1B](https://openairdocs.org/model/grumman-american-avn-aa-1b) (registry code 3960103)
- Data sheets: [TCDS A11EA](https://openairdocs.org/tcds/A11EA) (OpenAirDocs)
- Serial number: AA1B0456
- Type of aircraft: Fixed wing single engine
- Certificate issued: May 24, 1989
- Last registry action: April 20, 1992
- Mode S code: ADE86B
- Owner when cancelled: [O Hare Patrick M](https://openairdocs.org/faa-owner/O%20HARE%20PATRICK%20M)
- Location: [San Diego, CA](https://openairdocs.org/faa-place/CA/San%20Diego)
- Owner type: Individual
- Owner's area on the map: 32.8096° N, 117.1342° W: Placed by OpenAirDocs at the center of ZIP code 92123, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9956L
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9956L
- Page: https://openairdocs.org/deregistered/N9956L-1992-05-15

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 LAX91FA020](https://openairdocs.org/ntsb/LAX91FA020), Nov 1, 1990: Grumman AA-1B (N9956L), Solana Beach, CA, destroyed, 2 fatal. Probable cause: THE INADVERTENT STALL/SPIN. FACTORS IN THE ACCIDENT WERE: THE PILOT'S DECISION TO ALLOW THE REPORTER PASSENGER TO FLY THE AIRCRAFT IN A CRITICAL FLIGHT SITUATION, HIS DECISION TO ALLOW THE AIRCRAFT…

## 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 19901101048829A](https://openairdocs.org/incident/19901101048829A), Nov 1, 1990: Gulstm AA1B (N9956L), Solana Beach, CA, Destroyed, 2 fatal. Made sudden steep turn,rolled,stalled,and spun in. Helium balloons in area. Traffic watch, circling accident scene.

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