# STC SR01596NY-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sikorsky Aircraft Corporation, United States
- Description: Installation of a Universal Avionics Systems Corporation UNS-1F Multi-Mission Management System (MMMS) with SCN 901.X software.
- Applied: July 31, 2003
- 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/sha256/6b/6e/6b6e60095b0b07238ab30b33cb7990e4619dae5653ee0727a78b546352ee6faf
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/02379BEC21F1EE7486257DB7006FC44B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR01596NY-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 SR01596NY-D Sikorsky Aircraft Corporation 6900 Main Street Stratford, CT 06615 Federal Aviation Regulations.

1. Installation of a Universal Avionic Systems Corporation UNS-1F Multi-Mission Management System (MMMS) with SCN 901.X Software in accordance with Keytech Installation drawing List No. IDL00668 Rev D dated 10/17/03.

2. Keystone Helicopter Corp. FAA Approved Rotorcraft Flight Manual Supplement No. FM00668, no Revision, FAA approved October 22, 2003, is required with this modification.

3. Keystone Helicopter Maintenance Manual Supplement, for the Installation of a Universal Avionic Systems Corporation UNS-1F Multi-Mission Management System (MMMS) with SCN 901.X Software on a Sikorsky S-76B/C Model Aircraft, Report No. MM00668 Rev. - dated September 22, 2003 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-76B, S-76C October 1, 2011, December 17, 2014 July 31, 2003 October 22, 2003 H1NE 2

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

To (Name and address of transferee)

From (Name and address of grantor)

2 SR01596NY-D

## Every issue (2)

- December 17, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/6b/6e/6b6e60095b0b07238ab30b33cb7990e4619dae5653ee0727a78b546352ee6faf)
- October 1, 2011: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/ad/25/ad256ebacfcb44e935b7fe4141b1e6c5875c317a4acbb4ed6464ebff20bfefc5)

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