# N6439Q: Mooney M20F, registration cancelled 1981-01-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 7, 1981
- 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: 670518
- Type of aircraft: Fixed wing single engine
- Certificate issued: January 6, 1971
- Mode S code: A87402
- Owner when cancelled: [Rogers Warren](https://openairdocs.org/faa-owner/ROGERS%20WARREN)
- Location: [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City)
- Owner type: Partnership
- The mark today: https://openairdocs.org/aircraft/N6439Q
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6439Q
- Page: https://openairdocs.org/deregistered/N6439Q-1981-01-07

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 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 DEN80FA021](https://openairdocs.org/ntsb/DEN80FA021), Jan 27, 1980: Mooney M20F (N6439Q), Grantsville, UT, destroyed, 2 fatal
- [NTSB DEN69F0244](https://openairdocs.org/ntsb/DEN69F0244), May 2, 1969: Mooney M20F (N6439Q), Woods Cross, UT, 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 19800127001929A](https://openairdocs.org/incident/19800127001929A), Jan 27, 1980: Mooney M20F (N6439Q), Grantsville, UT, Destroyed, 1 fatal. VFR pilot proceeded into area of snow-showers, haze, smoke. Lost control of airplane. Vertical nose-down impact.

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