# N231AX: Mooney M20K, registration cancelled 1991-05-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 21, 1991
- Status when cancelled: Valid registration
- Airframe: [Mooney M20K](https://openairdocs.org/model/mooney-m20k) (registry code 5870220)
- Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3) (OpenAirDocs)
- Serial number: 250114
- Type of aircraft: Fixed wing single engine
- Certificate issued: June 15, 1990
- Last registry action: June 18, 1990
- Mode S code: A20C4D
- Owner when cancelled: [Megill Donald M](https://openairdocs.org/faa-owner/MEGILL%20DONALD%20M)
- Location: [Phoenix, AZ](https://openairdocs.org/faa-place/AZ/Phoenix)
- Owner type: Individual
- Owner's area on the map: 33.5816° N, 112.0081° W: Placed by OpenAirDocs at the center of ZIP code 85028, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N231AX
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=231AX
- Page: https://openairdocs.org/deregistered/N231AX-1991-05-21

From the FAA registry file of October 31, 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 M20K: https://openairdocs.org/model/mooney-m20k.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 LAX91FA001](https://openairdocs.org/ntsb/LAX91FA001), Oct 3, 1990: Mooney M20K (N231AX), Flagstaff, AZ, destroyed, 1 fatal. Probable cause: THE PILOT'S DECISION TO OPERATE THE AIRCRAFT WITH A KNOWN DISCREPANCY; INADEQUATE MAINTENANCE PROCEDURES; AND THE PILOT'S INFLIGHT LOSS OF CONTROL DUE TO SMOKE AND FUMES IN THE COCKPIT.

## FAA accident and incident reports (4)

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 19901003050229A](https://openairdocs.org/incident/19901003050229A), Oct 3, 1990: Mooney M20K (N231AX), Flagstaff, AZ, Destroyed, 1 fatal. Returning to airport saw trailing smoke. Rolled left, hit trees. Tailpipe on runway. AD turbo v clamps not complied.
- [Incident 19900419016379I](https://openairdocs.org/incident/19900419016379I), Apr 19, 1990: Mooney M20K (N231AX), Farmington, NM. Lost manifold pressure. Air door would not fully open. Forced landing. Carburetor air filter had ice.
- [Incident 19850701038149I](https://openairdocs.org/incident/19850701038149I), Jul 1, 1985: Mooney M20K (N231AX), Tewksbury, MA, Minor damage. Aircraft was landed long. Ran off end of runway damaging gear doors.
- [Incident 19831226072909I](https://openairdocs.org/incident/19831226072909I), Dec 26, 1983: Mooney M20K (N231AX), Keenesgurg, CO. During cruise a fuel line fitting broke. Landed safely on a interstate highway.

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