# N4278: 1939 Lockheed 12A, registration cancelled 2012-11-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 7, 2012
- Status when cancelled: Sale reported, canceled
- Airframe: [Lockheed 12A](https://openairdocs.org/model/lockheed-12a) (registry code 5261402)
- Engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008)
- Data sheets: [TCDS TC 616](https://openairdocs.org/tcds/TC%20616) (OpenAirDocs)
- Serial number: 1256
- Year built: 1939
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Airworthiness date: April 16, 1956
- Last registry action: August 5, 1978
- Mode S code: A51910
- Location: [Rudyard, MT](https://openairdocs.org/faa-place/MT/Rudyard)
- Owner type: Individual
- Owner's area on the map: 48.6049° N, 110.5636° W: Placed by OpenAirDocs at the center of ZIP code 59540, within about 11 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4278
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4278
- Page: https://openairdocs.org/deregistered/N4278-2012-11-07

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 Lockheed 12A: https://openairdocs.org/model/lockheed-12a.md

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