# N9777M: Mooney M20F, registration cancelled 1984-06-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 15, 1984
- Status when cancelled: Administratively canceled
- Airframe: [Mooney M20F](https://openairdocs.org/model/mooney-m20f) (registry code 5870214)
- Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3) (OpenAirDocs)
- Serial number: 680194
- Type of aircraft: Fixed wing single engine
- Certificate issued: March 23, 1981
- Last registry action: June 15, 1984
- Mode S code: ADA0FF
- Owners when cancelled: [Stevenson Duane](https://openairdocs.org/faa-owner/STEVENSON%20DUANE), [Fisher Jeffrey C](https://openairdocs.org/faa-owner/FISHER%20JEFFREY%20C), [Furrow Stuart J](https://openairdocs.org/faa-owner/FURROW%20STUART%20J), [Richards Edward W](https://openairdocs.org/faa-owner/RICHARDS%20EDWARD%20W), [Hyman Miles D](https://openairdocs.org/faa-owner/HYMAN%20MILES%20D)
- Location: [Cheyenne, WY](https://openairdocs.org/faa-place/WY/Cheyenne)
- Owner type: Co-owned
- Owner's area on the map: 41.1001° N, 104.9249° W: Placed by OpenAirDocs at the center of ZIP code 82001, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9777M
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9777M
- Page: https://openairdocs.org/deregistered/N9777M-1984-06-15

From the FAA registry file of November 7, 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 (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 DEN82FA010](https://openairdocs.org/ntsb/DEN82FA010), Nov 24, 1981: Mooney M-21 (N9777M), La Veta, CO, destroyed, 1 fatal
- [NTSB DEN73DTC16](https://openairdocs.org/ntsb/DEN73DTC16), Jan 2, 1973: Mooney M20F (N9777M), Sheridan, WY, substantial damage

## FAA accident and incident reports (2)

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 19811124075119A](https://openairdocs.org/incident/19811124075119A), Nov 24, 1981: Mooney M20F (N9777M), Laveta, CO, Destroyed. Encountered severe prolonged downdraft. Declared emergency prior to crashing into trees on mountainside.
- [Accident 19730102000269A](https://openairdocs.org/incident/19730102000269A), Jan 2, 1973: Mooney M20F (N9777M), Sheridan, WY, Substantial damage. Radio receiver and transmitter found on freqs other than Sheridan. Fss warning re gr up unheard.

## Other aircraft with N9777M

- [Registered now](https://openairdocs.org/aircraft/N9777M): Piper PA-28R-201, S/N 2844116, built 2004

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