# N51LL: 1978 Gulfstream American AA-5B, registration cancelled 2022-10-08

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 8, 2022
- Status when cancelled: Sale reported, canceled
- Airframe: [Gulfstream American AA-5B](https://openairdocs.org/model/gulfstream-american-aa-5b) (registry code 3970106)
- Engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514)
- Data sheets: [TCDS A16EA](https://openairdocs.org/tcds/A16EA) (OpenAirDocs)
- Serial number: AA5B0916
- Year built: 1978
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal, utility
- Airworthiness date: September 15, 1978
- Last registry action: January 5, 2022
- Mode S code: A6601B
- 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/N51LL
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=51LL
- Page: https://openairdocs.org/deregistered/N51LL-2022-10-08

From the FAA registry file of October 29, 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 Gulfstream American AA-5B: https://openairdocs.org/model/gulfstream-american-aa-5b.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 WPR21LA195](https://openairdocs.org/ntsb/WPR21LA195), May 12, 2021: Gulfstream American AA-5B (N51LL), Hillsboro, OR, substantial damage. Probable cause: The pilot’s delayed remediation following an aborted takeoff run, which resulted in a runway overrun and collision with trees.

## 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 20210512008919A](https://openairdocs.org/incident/20210512008919A), May 12, 2021: Gulfstream American Corp AA-5B (N51LL), Hillsboro, OR, Substantial damage. Aircraft N51LL, a Gulfstream American AA-5B, departed Twin Oaks (7S3) runway 02 at approximately 2145Z. It rolled onto the runway, zero flaps, and the pilot…

## Other aircraft with N51LL

- [Cancelled 1988-12-30](https://openairdocs.org/deregistered/N51LL-1988-12-30): Piper PA-34-200T, S/N 347870416. N-number assigned, not yet registered

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