# N4644: 1972 Bensen B-8M, registration cancelled 2012-07-31

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 31, 2012
- Status when cancelled: Revoked, canceled
- Airframe: [Bensen B-8M](https://openairdocs.org/model/bensen-b-8m) (registry code 1300516)
- Engine: [Volkswagen CONVERSION](https://openairdocs.org/engine/volkswagen-conversion) (registry code 63501)
- Serial number: 2
- Year built: 1972
- Type of aircraft: Gyroplane
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Certificate issued: September 27, 1977
- Last registry action: October 1, 1977
- Mode S code: A5AB5B
- Owner when cancelled: [Long Byron C](https://openairdocs.org/faa-owner/LONG%20BYRON%20C)
- Location: [Columbus, OH](https://openairdocs.org/faa-place/OH/Columbus)
- Owner type: Individual
- Owner's area on the map: 39.9432° N, 82.8876° W: Placed by OpenAirDocs at the center of ZIP code 43227, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4644
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4644
- Page: https://openairdocs.org/deregistered/N4644-2012-07-31

From the FAA registry file of October 28, 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 CHI79FEK15](https://openairdocs.org/ntsb/CHI79FEK15), Jun 10, 1979: Benson B8M (N4644), Johnstown, OH, substantial damage

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 19790610012589A](https://openairdocs.org/incident/19790610012589A), Jun 10, 1979: Amtrbx BENSENB8M (N4644), Johnstown, OH, Substantial damage. Acft rolled over and crashed while circling airport. Pilot inexperienced and not rated in type.

## The same airframe elsewhere in the registry (1)

Matched by serial number 2 and the registry's model code.

- [N2974G, cancelled 2019-11-22](https://openairdocs.org/deregistered/N2974G-2019-11-22): Bensen B-8M, S/N 2, built 1964. Revoked, canceled. Owner: [Lock Edward R](https://openairdocs.org/faa-owner/LOCK%20EDWARD%20R), [Seattle, WA](https://openairdocs.org/faa-place/WA/Seattle)

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