# N251M: 1966 Mitsubishi MU-2B, registration cancelled 2004-04-01

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 1, 2004
- Status when cancelled: Valid registration
- Airframe: [Mitsubishi MU-2B](https://openairdocs.org/model/mitsubishi-mu-2b) (registry code 5780404)
- Engine: [AiResearch 331 SER 605HP](https://openairdocs.org/engine/airesearch-331-ser-605hp) (registry code 01502)
- Data sheets: [TCDS A2PC](https://openairdocs.org/tcds/A2PC) (OpenAirDocs)
- Serial number: 013
- Year built: 1966
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: September 12, 1966
- Last registry action: April 1, 2004
- Mode S code: A25C48
- Owner when cancelled: [International Business Aircraft Inc](https://openairdocs.org/faa-owner/INTERNATIONAL%20BUSINESS%20AIRCRAFT%20INC)
- Location: [Tulsa, OK](https://openairdocs.org/faa-place/OK/Tulsa)
- Physical address: [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City)
- Owner type: Corporation
- Owner's area on the map: 36.1540° N, 95.9928° W: Placed by OpenAirDocs: center of Tulsa, OK, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N251M
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=251M
- Page: https://openairdocs.org/deregistered/N251M-2004-04-01

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 Mitsubishi MU-2B: https://openairdocs.org/model/mitsubishi-mu-2b.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 MKC79FCG38](https://openairdocs.org/ntsb/MKC79FCG38), Apr 9, 1979: Mitsubishi MU-2B (N251M), Gardner, KS, substantial damage
- [NTSB MKC72FCD49](https://openairdocs.org/ntsb/MKC72FCD49), Dec 22, 1971: Mitsubishi MU-2B (N251M), Lemars, IA, no 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 19790409006639A](https://openairdocs.org/incident/19790409006639A), Apr 9, 1979: Mtsbsi MU2B (N251M), Gardner, KS, Substantial damage. Forced landing due to double engine failure. Water found in fuel tanks and in fuel truck.

## Other aircraft with N251M

- [Registered now](https://openairdocs.org/aircraft/N251M): Bellanca CH300 PACEMAKER, S/N 154, built 1929

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