# Keystone Helicopter S-76C-2

- Type: Aircraft model (FAA registry)
- Registry code: 4900104
- Manufacturer (registry): KEYSTONE HELICOPTER CORP
- Model: S-76C-2
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 2 · Turbo-shaft
- Seats: 15
- Weight class: Up to 12,499 lb
- Certification: Type certificated
- Data sheet: [TCDS H1NE](https://openairdocs.org/tcds/H1NE) (OpenAirDocs)
- Holder: Sikorsky Aircraft Corporation
- Registered aircraft: 0
- Page: https://openairdocs.org/model/keystone-helicopter-s-76c-2

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.

## STCs that may be installed (OpenAirDocs) (3)

Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SR01122NY-D](https://openairdocs.org/stc/SR01122NY-D): Installation of an Avionics Innovations Digital Media Player Model DMP-100. Avionics Innovations. Lists S-76 Series
- [STC SR00091LA](https://openairdocs.org/stc/SR00091LA): Installation of an RG-380/40B battery. Concorde Battery Corporation. Lists S-76 Series
- [STC SR01348NY](https://openairdocs.org/stc/SR01348NY) (historical): Installation of boarding steps IAW Key Tech Engineering Services Installation Drawing List IDL00203, Rev B, dated 1/16/01. Keystone Helicopter Corp. Lists S-76 Series

## The same model under other registry codes

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

- [Sikorsky S-76C-2](https://openairdocs.org/model/sikorsky-s-76c-2): 6 registered aircraft, registry code 8143009

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