STC SR00275BO

United States of America Department of Transportation Federal Aviation Administration INISTRA Supplemental Type Certificate Number: SR00275BO This certificate issued to: Pro Star Aviation, LLC 8 Kelly Avenue Londonderry, NH 03053 Part 29 of the Federal Aviation Regulations.

Original Product - Type Certificate Number: HINE Make: Sikorsky Model: S-76A. S-76B. S-76C Description of Type Design Change:

Installation of tail shaft cover antenna mount in accordance with Pro Star Aviation Installation Data List, 20740- IDL-01, Revision A, dated 7/15/08, or later FAA-approved revisions.

1. Instructions for Continued Airworthiness (ICA), Pro Star Aviation Document No. 20740-ICA-01, Revision IR, dated 4/03/08, or later FAA accepted revision must be made available to the operator at the time of installation.

2. The FAA has not certified the antenna equipment for which these provisions are intended. You must get additional FAA approval to install this equipment. The FAA must evaluate the installation to ensure it complies with the applicable airworthiness standards.

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

Date of Application: August 23, 2007 Date Reissued: September 13, 2018 Date of Issuance: July 17. 2008 Date Amended:

By Direction of the Administrator Signature recent Kevin Dickert Title Manager. Boston ACO Branch The ST's supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property of the STC holder.

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

Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: SR00275BO To (Name and address of transferee) From (Name and address of grantor) Extent of Authority (if licensing agreement):

The STC s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property of the STO holder.

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