# STC SR02417NY-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sikorsky Aircraft Corporation, United States
- Description: Installation of Honeywell KHF 1050 HF Communication System
- Applied: February 6, 2007
- 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/f9/c1/f9c1a880292c2ac5215278184715c9b13adb0f1ae52407a7666c3e9883501aa0
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/43FEFE58BE80C0CC86257DBE004DFDA4.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SR02417NY-D

## 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.

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

Part of the

Signature

Title SR02417NY-D Sikorsky Aircraft Corporation 6900 Main Street Stratford, CT 06615 Federal Aviation Regulations.

1. Installation of Honeywell KHF 1050 HF Communication System in accordance with Keystone Helicopter Installation drawing List IDL01407 Rev. B dated 02/13/2008 or later FAA approved revision.

2. Keystone Helicopter Instructions for Continued Airworthiness, Honeywell KHF 1050 HF Communication System Installation, Report No. IC01407 Rev. A dated February 15, 2008 or later FAA accepted revision is required for this modification.

3. FAA Approved Rotorcraft Flight Manual Supplement, Supplement No. FM01407 Rev. 1 dated 02/21/2008 or later FAA approved revision is required for this modification.

1. FADEC testing is required for the initial installation of this system on the S-76B model aircraft and the S-76C model aircraft with Turbomeca Arriel 1S1 and 2S1 engines.

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

3. 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-76A/B/C October 1, 2011, December 17, 2014 February 21, 2008 February 6, 2007 May 22, 2007 H1NE 2

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

To (Name and address of transferee)

From (Name and address of grantor)

2 SR02417NY-D

## Every issue (3)

- December 17, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f9/c1/f9c1a880292c2ac5215278184715c9b13adb0f1ae52407a7666c3e9883501aa0)
- October 1, 2011: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/2d/11/2d119a92704369711c4fae34477649a988507237d1f4f6a89a30da1ed2894756)
- May 22, 2007: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/ed/48/ed48bf45dcf91cade2b94684f640ede3502ff24d4e8dff54e35d0c35edf64b4c)

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