# N4274: 1970 Bensen B-8M, registration cancelled 2013-01-22

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 22, 2013
- Status when cancelled: Third renewal notice
- Airframe: [Bensen B-8M](https://openairdocs.org/model/bensen-b-8m) (registry code 1300516)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: RMW-1
- Year built: 1970
- Type of aircraft: Gyroplane
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 2, 1979
- Certificate issued: April 22, 1971
- Last registry action: November 8, 2010
- Mode S code: A51884
- Owner when cancelled: [Wilson Robert M](https://openairdocs.org/faa-owner/WILSON%20ROBERT%20M)
- Location: [Columbus, IN](https://openairdocs.org/faa-place/IN/Columbus)
- Owner type: Individual
- Owner's area on the map: 39.1482° N, 85.9994° W: Placed by OpenAirDocs at the center of ZIP code 47201, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4274
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4274
- Page: https://openairdocs.org/deregistered/N4274-2013-01-22

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 Bensen B-8M: https://openairdocs.org/model/bensen-b-8m.md

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CHI72FEA12](https://openairdocs.org/ntsb/CHI72FEA12), Sep 24, 1971: Wilson B8M (N4274), Columbus, IN, substantial damage

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