# N4978: 1972 Martin AUTOGYRO BENSEN B-8, registration cancelled 2012-08-09

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 9, 2012
- Status when cancelled: Revoked, canceled
- Airframe: [Martin AUTOGYRO BENSEN B-8](https://openairdocs.org/model/martin-autogyro-bensen-b-8) (registry code 1300933)
- Engine: [Mcculloch 4318A&E/0-100](https://openairdocs.org/engine/mcculloch-4318a-e-0-100) (registry code 43101)
- Serial number: BM-1
- Year built: 1972
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Certificate issued: November 15, 1972
- Last registry action: April 9, 1977
- Mode S code: A62D89
- Owner when cancelled: [Martin Robert L Jr](https://openairdocs.org/faa-owner/MARTIN%20ROBERT%20L%20JR)
- Location: [Randallstown, MD](https://openairdocs.org/faa-place/MD/Randallstown)
- Owner type: Individual
- Owner's area on the map: 39.3784° N, 76.8113° W: Placed by OpenAirDocs at the center of ZIP code 21133, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4978
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4978
- Page: https://openairdocs.org/deregistered/N4978-2012-08-09

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 Martin AUTOGYRO BENSEN B-8: https://openairdocs.org/model/martin-autogyro-bensen-b-8.md

## Other aircraft with N4978

- [Registered now](https://openairdocs.org/aircraft/N4978): DJI AGRAS T40, S/N 64TBL8F00200HC

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