# STC SR01971NY-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sikorsky Aircraft Corporation, United States
- Description: Installation of a Rockwell Collins SAR-126 Direction Finder System.
- Applied: August 12, 2005
- Status date: December 17, 2014
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H1NE](https://openairdocs.org/tcds/H1NE)
- Certificate PDF: https://openairdocs.org/files/sha256/d5/0d/d50d2bec41c1c4cd78006e4364c960b2f097d5e0a539524fd51e55029f0ee2b9
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B04F2B16B0340B5686257DBD00559CC4.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SR01971NY-D

## ADs that name it (0)

None.

## Approved models (2)

- 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.

FAA Form 8110-2 (5/14) Page 1 of

Part of the

Signature

Title SR01971NY-D Sikorsky Aircraft Corporation 6900 Main Street Stratford, CT 06615 Federal Aviation Regulations.

1. Installation of a Rockwell Collins SAR-126 Direction Finder System in accordance with Keystone Helicopter Installation Drawing List IDL00998 Rev. A dated 9/15/05 or later approved revision.

2. Keystone Helicopter Instructions for Continued Airworthiness, Rockwell Collins SAR-126 Direction Finder System, Report No. IC00998 Rev. - dated 8/15/2005 or later approved revision is required for this modification.

3. FAA Aporived Rotocraft Flight Manual Supplememnt, Supllement No. FM00998 Rev. - dated 9/20/2005 or later approved revision is required for this modification.

1. The installer must determine whether this design change is compatible with previously approved modifications.

2. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Gaetano Sciortino Manager New York Aircraft Certification Office Sikorsky S-76 B/C October 1, 2011, December 17, 2014 August 12, 2005 September 20, 2005 H1NE 2

FAA Form 8110-2 (5/14) Page 2 of

To (Name and address of transferee)

From (Name and address of grantor)

2 SR01971NY-D

## Every issue (2)

- December 17, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d5/0d/d50d2bec41c1c4cd78006e4364c960b2f097d5e0a539524fd51e55029f0ee2b9)
- October 1, 2011: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/8f/dd/8fdd82560d6ae649369d721c4b64f137aab25d77347d191e6e6d31ada1558c25)

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