# N25440: 1940 Porterfield CP-50, registration cancelled 1951-01-18

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 18, 1951
- Status when cancelled: Valid registration
- Airframe: [Porterfield CP-50](https://openairdocs.org/model/porterfield-cp-50) (registry code 6480114)
- Serial number: 610
- Year built: 1940
- Type of aircraft: Fixed wing single engine
- Certificate issued: July 15, 1948
- Mode S code: A26957
- Owner when cancelled: [Lamb D B](https://openairdocs.org/faa-owner/LAMB%20D%20B)
- Location: [Kemah, TX](https://openairdocs.org/faa-place/TX/Kemah)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N25440
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=25440
- Page: https://openairdocs.org/deregistered/N25440-1951-01-18

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 Porterfield CP-50: https://openairdocs.org/model/porterfield-cp-50.md

## Other aircraft with N25440

- [Registered now](https://openairdocs.org/aircraft/N25440): Collins Gary CHALLENGER II, S/N CH2-1106-2772, built 2007
- [Cancelled 2003-10-24](https://openairdocs.org/deregistered/N25440-2003-10-24): Cessna 152, S/N 15280660, built 1977. Exported to Panama. Owner: [Cable Marilyn R Co-Trustee](https://openairdocs.org/faa-owner/CABLE%20MARILYN%20R%20CO-TRUSTEE), [Claremont, CA](https://openairdocs.org/faa-place/CA/Claremont)

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