# N339: 1943 Lockheed 18-56, registration cancelled 2015-05-13

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 13, 2015
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Lockheed 18-56](https://openairdocs.org/model/lockheed-18-56) (registry code 5261642)
- Engine: [Wright R-1820 series](https://openairdocs.org/engine/wright-r-1820-series) (registry code 67020)
- Serial number: 2548
- Year built: 1943
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Airworthiness date: March 22, 1957
- Certificate issued: July 10, 1996
- Last registry action: October 6, 2005
- Mode S code: A3B73D
- Owner when cancelled: [May Air Xpress Inc](https://openairdocs.org/faa-owner/MAY%20AIR%20XPRESS%20INC)
- Location: [New Boston, TX](https://openairdocs.org/faa-place/TX/New%20Boston)
- Owner type: Corporation
- Owner's area on the map: 33.4626° N, 94.4334° W: Placed by OpenAirDocs at the center of ZIP code 75570, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N339
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=339
- Page: https://openairdocs.org/deregistered/N339-2015-05-13

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 18-56: https://openairdocs.org/model/lockheed-18-56.md

## Other aircraft with N339

- [Cancelled 1967-06-16](https://openairdocs.org/deregistered/N339-1967-06-16): Lockheed 18-56, S/N 2588. Owner: [National Steel Corp](https://openairdocs.org/faa-owner/NATIONAL%20STEEL%20CORP)
- [Cancelled 1947-01-28](https://openairdocs.org/deregistered/N339-1947-01-28): North American SNJ-4, S/N 11212. Owner: [Civil Aeronautics Administration](https://openairdocs.org/faa-owner/CIVIL%20AERONAUTICS%20ADMINISTRATION), [Washington, DC](https://openairdocs.org/faa-place/DC/Washington)

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