# Sikorsky R-4B

- Type: Aircraft model (FAA registry)
- Registry code: 8140102
- Manufacturer (registry): SIKORSKY
- Model: R-4B
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 1 · Reciprocating
- Seats: 3
- Weight class: Up to 12,499 lb
- Cruise speed: 56 mph
- Certification: Type certificated
- Data sheet: [TCDS LTC-7](https://openairdocs.org/tcds/LTC-7) (OpenAirDocs)
- Holder: Holmes Douglas W.
- Registered aircraft: 1
- Page: https://openairdocs.org/model/sikorsky-r-4b

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.

- [AD 47-35-02](https://openairdocs.org/ad/47-35-02): Tail Rotor Gearbox Brace · Holmes, Douglas W. R-4B (Army)
- [AD 47-35-01](https://openairdocs.org/ad/47-35-01): Main Rotor Links Rework · Holmes, Douglas W. R-4B (Army)

## Registered aircraft (1)

- [N4605V](https://openairdocs.org/aircraft/N4605V): [American Airpower Heritage Museum](https://openairdocs.org/faa-owner/AMERICAN%20AIRPOWER%20HERITAGE%20MUSEUM), [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas), S/N 95

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

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