# STC SR09520RC

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Helifab Inc, United States
- Description: Installation Approval of aft cabin door hinge assemblies
- Applied: November 12, 2007
- Status date: August 4, 2008
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 29
- Data sheets: [TCDS H1NE](https://openairdocs.org/tcds/H1NE)
- Certificate PDF: https://openairdocs.org/files/sha256/5f/31/5f31cb3129d18ca556d775e45da55519990649cc1a98867c9dd73aa01c2cc624
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F101AA16A02F3B8B862574A300498608.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR09520RC

## 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))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

Number SR09520RC This certificate issued to

Part 29 of the Federal Aviation Regulations.

Description of Type Design Change: Installation Approval of aft cabin door hinge assemblies in accordance with Helifab, Inc. Master Drawing List, Document No. HF-S76-DL-100, Rev. B, Dated May 15, 2008 or later FAA approved revision.

Limitations and Conditions: Instructions for Continued Airworthiness, Helifab, Inc. Document No. HF- S76-ICA-5201, Rev. IR, Dated March 21, 2008, or later FAA accepted revision is required.

Compatibility of this design change with previously approved modifications must be determined by the installer. If the holder agrees to permit another person to use (See continuation sheet 3 of 3)

Helifab, Inc.

1318 Smede Hwy.

Broussard, LA 70518 H1NE Make : Sikorsky Model : S-76A, B, C

Date of application : November 12, 2007

Date of issuance : June 24, 2008

Date reissued : August 4, 2008

( Signature) Lance T. Gant, Manager Rotorcraft Certification Office Southwest Region

( Title)

**P/N ST2904RC-R PE MB ASW-170**

FAA Form 8110-2-1(10-69) Page 2 of 3

FAA Form 8110-2-1(10-69) Page 3 of 3

Number SR09520RC Date of Issuance: June 24, 2008

this certificate to alter the product, the holder shall give the other person written evidence of that permission.

## Every issue (2)

- August 4, 2008: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/5f/31/5f31cb3129d18ca556d775e45da55519990649cc1a98867c9dd73aa01c2cc624)
- June 24, 2008: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/2e/40/2e406370033a507c1205b3effe021a8df9a2595f5cbeded330b3b4af4263d658)

---
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.