# N25557: 1940 Porterfield CP-55, registration cancelled 1956-02-24

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 24, 1956
- Status when cancelled: Valid registration
- Airframe: [Porterfield CP-55](https://openairdocs.org/model/porterfield-cp-55) (registry code 6480116)
- Data sheets: [TCDS A-720](https://openairdocs.org/tcds/A-720) (OpenAirDocs)
- Serial number: 666
- Year built: 1940
- Type of aircraft: Fixed wing single engine
- Certificate issued: July 18, 1951
- Mode S code: A26D38
- Owner when cancelled: [Smith William R](https://openairdocs.org/faa-owner/SMITH%20WILLIAM%20R)
- Location: [Spring Valley, CA](https://openairdocs.org/faa-place/CA/Spring%20Valley)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N25557
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=25557
- Page: https://openairdocs.org/deregistered/N25557-1956-02-24

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-55: https://openairdocs.org/model/porterfield-cp-55.md

## Other aircraft with N25557

- [Registered now](https://openairdocs.org/aircraft/N25557): Cessna 152, S/N 15280729, built 1977

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