# N54T: 1961 Pfeifer-Sopwith PUP, registration cancelled 2009-06-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 29, 2009
- Exported to: New Zealand
- Status when cancelled: Valid registration
- Airframe: [Pfeifer-Sopwith PUP](https://openairdocs.org/model/pfeifer-sopwith-pup) (registry code 3630937)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 101
- Year built: 1961
- Type of aircraft: Fixed wing single engine
- Airworthiness: Experimental, amateur built
- Airworthiness date: February 12, 1980
- Certificate issued: July 7, 2008
- Last registry action: July 7, 2008
- Mode S code: A6D73C
- Owner when cancelled: [Prevost Christopher David](https://openairdocs.org/faa-owner/PREVOST%20CHRISTOPHER%20DAVID)
- Location: [Sonoma, CA](https://openairdocs.org/faa-place/CA/Sonoma)
- Owner type: Individual
- Owner's area on the map: 38.2558° N, 122.4609° W: Placed by OpenAirDocs at the center of ZIP code 95476, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N54T
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=54T
- Page: https://openairdocs.org/deregistered/N54T-2009-06-29

From the FAA registry file of October 31, 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 Pfeifer-Sopwith PUP: https://openairdocs.org/model/pfeifer-sopwith-pup.md

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