# N6551B: Mooney M20A, registration cancelled 1980-10-03

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 3, 1980
- Status when cancelled: Valid registration
- Airframe: [Mooney M20A](https://openairdocs.org/model/mooney-m20a) (registry code 5870204)
- Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3) (OpenAirDocs)
- Serial number: 1220
- Type of aircraft: Fixed wing single engine
- Certificate issued: March 11, 1977
- Mode S code: A8A1CA
- Owner when cancelled: [Durham Ralph R](https://openairdocs.org/faa-owner/DURHAM%20RALPH%20R)
- Location: [Union City, CA](https://openairdocs.org/faa-place/CA/Union%20City)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N6551B
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6551B
- Page: https://openairdocs.org/deregistered/N6551B-1980-10-03

From the FAA registry file of November 4, 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 Mooney M20A: https://openairdocs.org/model/mooney-m20a.md

## NTSB investigations (2)

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 OAK77DVD16](https://openairdocs.org/ntsb/OAK77DVD16), Feb 10, 1977: Mooney M20A (N6551B), Hayward, CA, substantial damage
- [NTSB UNK64X3260](https://openairdocs.org/ntsb/UNK64X3260), Aug 7, 1964: Mooney MK20A (N6551B), Linden, CA, 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 19770210002299A](https://openairdocs.org/incident/19770210002299A), Feb 10, 1977: Mooney M20A (N6551B), Hayward, CA, Substantial damage. Landing gear retractor tube failed

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