# N18082: 1937 Porterfield CP-40, registration cancelled 1955-04-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 29, 1955
- Status when cancelled: Valid registration
- Airframe: [Porterfield CP-40](https://openairdocs.org/model/porterfield-cp-40) (registry code 6480110)
- Serial number: 262
- Year built: 1937
- Type of aircraft: Fixed wing single engine
- Certificate issued: February 7, 1951
- Mode S code: A14437
- Owner when cancelled: [Johnston Richard R](https://openairdocs.org/faa-owner/JOHNSTON%20RICHARD%20R)
- Location: [El Centro, CA](https://openairdocs.org/faa-place/CA/El%20Centro)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N18082
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=18082
- Page: https://openairdocs.org/deregistered/N18082-1955-04-29

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-40: https://openairdocs.org/model/porterfield-cp-40.md

## Other aircraft with N18082

- [Cancelled 2009-07-09](https://openairdocs.org/deregistered/N18082-2009-07-09): Cessna 150L, S/N 15073781, built 1972. Registration revoked. Owner: [Stanton Dale T](https://openairdocs.org/faa-owner/STANTON%20DALE%20T), [Brandywine, WV](https://openairdocs.org/faa-place/WV/Brandywine)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.