# N9521M: 1966 Mooney M20F, registration cancelled 1977-07-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 19, 1977
- Status when cancelled: Valid registration
- Airframe: [Mooney M20F](https://openairdocs.org/model/mooney-m20f) (registry code 5870214)
- Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3) (OpenAirDocs)
- Serial number: 670098
- Year built: 1966
- Type of aircraft: Fixed wing single engine
- Certificate issued: August 21, 1974
- Mode S code: AD3E9C
- Owner when cancelled: [Stanfield Cecil E](https://openairdocs.org/faa-owner/STANFIELD%20CECIL%20E)
- Location: [Tulsa, OK](https://openairdocs.org/faa-place/OK/Tulsa)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N9521M
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9521M
- Page: https://openairdocs.org/deregistered/N9521M-1977-07-19

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 Mooney M20F: https://openairdocs.org/model/mooney-m20f.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 FTW76FPJ51](https://openairdocs.org/ntsb/FTW76FPJ51), Sep 18, 1976: Mooney M20F (N9521M), Norman, OK, destroyed

## 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 19760918031499A](https://openairdocs.org/incident/19760918031499A), Sep 18, 1976: Mooney M20F (N9521M), Norman, OK, Substantial damage. Departed w low fuel in r tank,selector found on r tank. Hit wires & slid into house.

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