# STC SH2781SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Sikorsky Aircraft, United States
- Description: Relocation of the battery to the forward E-bay shelf.
- Applied: May 1, 1989
- Status date: January 28, 1991
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H1NE](https://openairdocs.org/tcds/H1NE)
- Certificate PDF: https://openairdocs.org/files/sha256/a9/11/a911c85987a6f48dcc6e82b9ba8c82b1531a3bb25c13a1edb0dc63f050682dd7
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D351BAE4CCD932DA85256CC2005C306E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH2781SO

## ADs that name it (0)

None.

## Approved models (2)

- Sikorsky Aircraft Corporation S-76A ([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.

07/05/2012 10:41 4044745606 FAA ATLACO PAGE 02/02 niced Scates of Saarica Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number 51278150 This certificate issued to: Sikorsky Aircraft Division of United Technologias Corp.

P.O. Box 109610 West Palm Beach, FL 33410-9610 Part 29 of the tadors AvISt10n Regulations Original Product Type Comtificato Numbon: HINE Make: Sikorsky Model: $76 A,C shelf in accordance with Sikorsky Drawing PL33776-61144, dated May 1, 1990, or Gumipin of Type Design Change: Rolocation of the battery to the forvard E-bay lacer FAA approved raviaione.

tinitations and amditions:

This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the intarrelationship between this change and any of those other previously approved modifications will produce no adverse effect upon the airworthiness of that aircraft. FAA Approved Rotorcraft Flight Manual Supplements dated May 30, 1990, for the $76 A and January 28, 1991, for the 576 C, are a required part of this STC.

Adorin is toole r of tho Fadinal Aviation Looninistration May 30, 1990 Sabusssended: JanuAFY 28, 1991

INISTRATIO (Tille)

FAA FOx 8110-2 (10~6B)

## Every issue (1)

- January 28, 1991: Amended, Current. [certificate](https://openairdocs.org/files/sha256/a9/11/a911c85987a6f48dcc6e82b9ba8c82b1531a3bb25c13a1edb0dc63f050682dd7)

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