# N21968: 1939 Porterfield CP-50, registration cancelled 1951-07-27

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 27, 1951
- Status when cancelled: Valid registration
- Airframe: [Porterfield CP-50](https://openairdocs.org/model/porterfield-cp-50) (registry code 6480114)
- Serial number: 554
- Year built: 1939
- Type of aircraft: Fixed wing single engine
- Certificate issued: November 5, 1941
- Mode S code: A1DE3C
- Owner when cancelled: [Seward Oscar A III](https://openairdocs.org/faa-owner/SEWARD%20OSCAR%20A%20III)
- Location: [Bastrop, TX](https://openairdocs.org/faa-place/TX/Bastrop)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N21968
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=21968
- Page: https://openairdocs.org/deregistered/N21968-1951-07-27

From the FAA registry file of November 5, 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 Porterfield CP-50: https://openairdocs.org/model/porterfield-cp-50.md

## Other aircraft with N21968

- [Registered now](https://openairdocs.org/aircraft/N21968): Cessna 150L, S/N 15074576

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