# N251B: Colonial C-1, registration cancelled 1964-07-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 21, 1964
- Exported to: Canada
- Status when cancelled: Valid registration
- Airframe: [Colonial C-1](https://openairdocs.org/model/colonial-c-1) (registry code 5110102)
- Serial number: 11
- Type of aircraft: Fixed wing single engine
- Certificate issued: August 2, 1963
- Mode S code: A25B4E
- Owner when cancelled: [Powers William J](https://openairdocs.org/faa-owner/POWERS%20WILLIAM%20J)
- Location: [Tiburon, CA](https://openairdocs.org/faa-place/CA/Tiburon)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N251B
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=251B
- Page: https://openairdocs.org/deregistered/N251B-1964-07-21

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 Colonial C-1: https://openairdocs.org/model/colonial-c-1.md

## Other aircraft with N251B

- [Registered now](https://openairdocs.org/aircraft/N251B): Schleicher ASW-20, S/N 20274, built 1979
- [Cancelled 1998-09-28](https://openairdocs.org/deregistered/N251B-1998-09-28): Piper AEROSTAR 601P, S/N 61P08128063422. Owner: [Hegg Mark](https://openairdocs.org/faa-owner/HEGG%20MARK), [Boulder, CO](https://openairdocs.org/faa-place/CO/Boulder)
- [Cancelled 1977-11-25](https://openairdocs.org/deregistered/N251B-1977-11-25): Aero Commander 680T, S/N 1587, built 1966. Exported to Canada. Owner: [Dean John H](https://openairdocs.org/faa-owner/DEAN%20JOHN%20H), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth)

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