# STC SR025756NY-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Keystone Helicopter Corp., United States
- Description: Installation of a Main Rotor Blade Recognition Light
- Applied: May 30, 2008
- Status date: December 23, 2008
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H1NE](https://openairdocs.org/tcds/H1NE)
- Certificate PDF: https://openairdocs.org/files/sha256/93/25/9325cf5e6cca4bf9a51f133aff864e192d391c25588f5386773236889d4eafce
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6270909D9B1FDC648625756D008113D1.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR025756NY-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

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

Lited, Pales of Amerira Department of Transportation Federal Aviation Administration Supplemental Type Certificate This certificate issued to: Number: SR02576NY-D Keystone Helicopter Corp. COPY 110 E. Stewart Huston Drive Coatesville, PA 19320 Part 29 of do Totemk iritin Regulationd, Original Product -Type Certificate Number H1NE Make: Sikorsky Model: S-76A/B/C Peterdar & Type Dega Cange Installation of a Main Rotor Blade Recognition Light installed on Sikorsky S- 76A/B/C aircraft in accordance with Keystone Helicopter Installation Drawing List IDL01884 Rev. C, dated 12/23/2008 or ater FAA approved. revision.

1. Keystone Helicopter Instructions for Continued Airworthiness, Main Rotor Blade Recognition Light installed in Sikorsky S-76A/B/C Aircraft, Report No. IC01884 Rev. A, dated December 05, 2008 or later FAA accepted revision is required for this modification.

2. FAA Approved Rotorcraft Flight Manual Supplement, Supplement No. FM01884 Rev. - dated 12/23/2008 or later FAA approved revision is required for this modification.

3. This approval should not be incorporated in any aircraft of this specific model on which other approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those previously incorporated approved modification will not introduce any adverse effect upon the airworthiness of the aircraft.

4. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person writen evidence of that permission.

Pato Fappícation: May 30, 2008 Parto reisined:

Palo offisunco: December 23, 2008 Pate anerded:

By Direction of the Administrator FEDERAL AVIATIO (Signat Daniel J. Shapiro TOMNISTRATO STC-ODA Administrator QDA-800670-NE (Title)

FAA Form 0110-2(10-68) Page 1 of 1 This certificate may be transferred in accordance with FAR 21

## Every issue (1)

- December 23, 2008: Issued, Current. [certificate](https://openairdocs.org/files/sha256/93/25/9325cf5e6cca4bf9a51f133aff864e192d391c25588f5386773236889d4eafce)

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