# N4BT: 1972 Thomas B-8M GYROCOPTER, registration cancelled 2001-12-20

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 20, 2001
- Status when cancelled: Triennial form not returned
- Airframe: [Thomas B-8M GYROCOPTER](https://openairdocs.org/model/thomas-b-8m-gyrocopter) (registry code 1300818)
- Engine: [Mcculloch 4318A&E/0-100](https://openairdocs.org/engine/mcculloch-4318a-e-0-100) (registry code 43101)
- Serial number: 1
- Year built: 1972
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 6, 1978
- Last registry action: October 16, 2001
- Mode S code: A4A81A
- Owner when cancelled: [Thomas Walter B Jr](https://openairdocs.org/faa-owner/THOMAS%20WALTER%20B%20JR)
- Location: [Pilot Mountain, NC](https://openairdocs.org/faa-place/NC/Pilot%20Mountain)
- Owner type: Individual
- Owner's area on the map: 36.4153° N, 80.4846° W: Placed by OpenAirDocs at the center of ZIP code 27041, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4BT
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4BT
- Page: https://openairdocs.org/deregistered/N4BT-2001-12-20

From the FAA registry file of October 29, 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 Thomas B-8M GYROCOPTER: https://openairdocs.org/model/thomas-b-8m-gyrocopter.md

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