# STC SH2757SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Sikorsky Aircraft, United States
- Description: Installation of external sliding cabin doors.
- Status date: June 22, 1994
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H1NE](https://openairdocs.org/tcds/H1NE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7E571ABB1C7073D785256CC2005C3062.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH2757SO

## ADs that name it (0)

None.

## Approved models (3)

- Sikorsky Aircraft Corporation S-76A ([TCDS H1NE](https://openairdocs.org/tcds/H1NE))
- Sikorsky Aircraft Corporation S-76B ([TCDS H1NE](https://openairdocs.org/tcds/H1NE))
- Sikorsky Aircraft Corporation S-76C ([TCDS H1NE](https://openairdocs.org/tcds/H1NE))

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.