# STC SR02574NY-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sikorsky Aircraft Corporation, United States
- Description: Installation of a Dual Universal Avionics Systems Corporation UNS-1Fw FMS.
- Applied: June 13, 2008
- Status date: January 8, 2015
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H1NE](https://openairdocs.org/tcds/H1NE)
- Certificate PDF: https://openairdocs.org/files/sha256/29/61/296129eb0104313805b171b5a7f780730cdbf4ef41713b4269b0b6c79be9afc2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0A570DC2E42A9E2D86257DD30055846F.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SR02574NY-D

## ADs that name it (0)

None.

## Approved models (1)

- 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 SR02574NY-D Sikorsky Aircraft Corporation 6900 Main Street Stratford, CT 06615 Federal Aviation Regulations.

1. Installation of a Dual Universal Avionics Systems Corporation UNS-1Fw FMS installed on a Sikorsky S-76C with Honeywell EDZ-756 EFIS in accordance with Keystone Helicopter Installation Drawing List IDL01830 Rev. A, dated 11/05/2008 or later FAA approved revision.

2. Keystone Helicopter Instructions for Continued Airworthiness, Universal Avionics UNS-1Fw Dual Flight Management System installed in Sikorsky S-76C Aircraft, Report No. IC01830 Rev. A, dated May 20, 2009 or later FAA accepted revision is required for this modification.

(See Description of Type Design Change continued on Page 3 of 3)

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-76C June 24, 2009, October 1, 2011, December 17, 2014, January 8, 2015 June 13, 2008 November 12, 2008 H1NE 3

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

To (Name and address of transferee)

From (Name and address of grantor)

3 SR02574NY-D

FAA Form 8110-2 (5/14) Page 3 of

3 Date Reissued: January 8, 2015

Description of Type Design Change (continued):

3. FAA Approved Rotorcraft Flight Manual Supplement, Supplement No. FM01830 Rev. - dated 11/12/2008 or later FAA approved revision is required for this modification.

----------END---------- SR02574NY-D

## Every issue (4)

- January 8, 2015: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/29/61/296129eb0104313805b171b5a7f780730cdbf4ef41713b4269b0b6c79be9afc2)
- December 17, 2014: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/dd/d5/ddd5c158e01a20a3c4a87404a9bdd02272e4ff0b52c0a7f48d656521dd8fcc5b)
- October 1, 2011: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/bd/57/bd5769f919870b91b6bd037f4090ee29b2877df19f9c4497bdbf4d23f33d6608)
- November 12, 2008: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/98/76/9876dc8afc6ebb616beeec6dbbe77f19c64e6d9b20775d6fbddeafad48c598fb)

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