# N21955: 1939 Porterfield CP-50, registration cancelled 1955-11-25

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 25, 1955
- Status when cancelled: Valid registration
- Airframe: [Porterfield CP-50](https://openairdocs.org/model/porterfield-cp-50) (registry code 6480114)
- Serial number: 552
- Year built: 1939
- Type of aircraft: Fixed wing single engine
- Certificate issued: July 18, 1949
- Mode S code: A1DE16
- Owner when cancelled: [Shook Willis A Etal](https://openairdocs.org/faa-owner/SHOOK%20WILLIS%20A%20ETAL)
- Location: [New Milford, NJ](https://openairdocs.org/faa-place/NJ/New%20Milford)
- Owner type: Co-owned
- The mark today: https://openairdocs.org/aircraft/N21955
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=21955
- Page: https://openairdocs.org/deregistered/N21955-1955-11-25

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 N21955

- [Registered now](https://openairdocs.org/aircraft/N21955): Textron 208B, S/N 208B5341, built 2017
- [Cancelled 2011-06-18](https://openairdocs.org/deregistered/N21955-2011-06-18): Firefly Balloons GALAXY 11B, S/N GLX-1411B, built 2004. Assigned, pending cancellation
- [Cancelled 1993-05-14](https://openairdocs.org/deregistered/N21955-1993-05-14): Cessna 172M, S/N 17264047. Triennial form not returned. Owner: [Van Nest James E](https://openairdocs.org/faa-owner/VAN%20NEST%20JAMES%20E), [Rio Grande City, TX](https://openairdocs.org/faa-place/TX/Rio%20Grande%20City)

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