# N79991: 1947 Douglas C-54, registration cancelled 1954-05-13

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 13, 1954
- Status when cancelled: Valid registration
- Airframe: [Douglas C-54](https://openairdocs.org/model/douglas-c-54) (registry code 3021506)
- Serial number: 22150
- Year built: 1947
- Type of aircraft: Fixed wing multi engine
- Certificate issued: June 24, 1947
- Mode S code: AADD21
- Owner when cancelled: [US Air Force Of The National Defense Establishment](https://openairdocs.org/faa-owner/US%20AIR%20FORCE%20OF%20THE%20NATIONAL%20DEFENSE%20ESTABLISHMENT)
- Location: [San Francisco 2, CA](https://openairdocs.org/faa-place/CA/San%20Francisco%202)
- Owner type: Government
- The mark today: https://openairdocs.org/aircraft/N79991
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=79991
- Page: https://openairdocs.org/deregistered/N79991-1954-05-13

From the FAA registry file of November 3, 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 Douglas C-54: https://openairdocs.org/model/douglas-c-54.md

## Other aircraft with N79991

- [Registered now](https://openairdocs.org/aircraft/N79991): Piper PA-18-150, S/N 18-8354, built 1966

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