# Benson B4

- Type: Aircraft model (FAA registry)
- Registry code: 05638BB
- Manufacturer (registry): BENSON AIRCRAFT CORP
- Model: B4
- Aircraft type: Gyroplane
- Category: Rotorcraft
- Engines: 1 · Reciprocating
- Seats: 1
- Weight class: Up to 12,499 lb
- Certification: Not type certificated
- Registered aircraft: 0
- Page: https://openairdocs.org/model/benson-b4

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

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## The same model under other registry codes

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

- [Pilatus B-4](https://openairdocs.org/model/pilatus-b-4): 8 registered aircraft, registry code 7090105
- [Sea-Bow International B-4](https://openairdocs.org/model/sea-bow-international-b-4): 3 registered aircraft, registry code 05904S5

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