# Bensen Gyrocopter B-8MJ

- Type: Aircraft model (FAA registry)
- Registry code: 130070H
- Manufacturer (registry): BENSEN GYROCOPTER
- Model: B-8MJ
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 1 · Reciprocating
- Seats: 1
- Weight class: Up to 12,499 lb
- Cruise speed: 45 mph
- Certification: Not type certificated
- Registered aircraft: 0
- Page: https://openairdocs.org/model/bensen-gyrocopter-b-8mj

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft

None registered with this model now.

## NTSB investigations (3)

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 LAX91LA359](https://openairdocs.org/ntsb/LAX91LA359), Aug 15, 1991: Benson/Ambrocini/Wentzel B-8MJ (N8241), Turlock, CA, substantial damage, 1 fatal. Probable cause: THE PILOT'S OVER ROTATION OF THE GYROCOPTER DURING THE TAKEOFF SEQUENCE WHICH RESULTED IN A LOSS OF CONTROL. CONTRIBUTING TO THE ACCIDENT WAS THE POOR MAINTENANCE PRACTICES PERFORMED ON THE MACHINE.
- [NTSB CHI71FGD08](https://openairdocs.org/ntsb/CHI71FGD08), Jul 22, 1970: Bensen B-8M (N5091), Lorain, OH, substantial damage
- [NTSB OAK70DVD28](https://openairdocs.org/ntsb/OAK70DVD28), Jun 21, 1970: Bensen B-8M (N8241), Tracy, CA, 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 19910815034419A](https://openairdocs.org/incident/19910815034419A), Aug 15, 1991: Amtrbx BENSEN8M (N8241), Turlock, CA, Substantial damage, 1 fatal. Lost control on takeoff. Waivered,descended and struck a truck. No recent homebuilt inspections. Modification made.

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Bensen B8MJ](https://openairdocs.org/model/bensen-b8mj): 0 registered aircraft, registry code 1300521
- [Daniel Bowser B-8MJ](https://openairdocs.org/model/daniel-bowser-b-8mj): 0 registered aircraft, registry code 130070J
- [Taylor-Bensen B-8MJ](https://openairdocs.org/model/taylor-bensen-b-8mj): 0 registered aircraft, registry code 130078G
- [Bensen B-8MJ](https://openairdocs.org/model/bensen-b-8mj): 0 registered aircraft, registry code 13007S8
- [Beader Gyrocopter B-8-M-J](https://openairdocs.org/model/beader-gyrocopter-b-8-m-j): 0 registered aircraft, registry code 13007UU
- [Tyndall Tony O B8MJ](https://openairdocs.org/model/tyndall-tony-o-b8mj): 0 registered aircraft, registry code 1302303
- [Lynn Jesse B8MJ](https://openairdocs.org/model/lynn-jesse-b8mj): 0 registered aircraft, registry code 1302304

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