STC ST11214DS

Possession of this Su pplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, aircraf t engine, or propeller.

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

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: ST11214DS This certificate issued to: VT DRB Aviation Consultants 9800 John Saunders Road San Antonio, TX 78216

Part _25 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: Make: See attached AML Model: See attached AML See attached approved model list (AML)

Installation of Dukane underwater acoustic beacon in accordance with the design data list defined on attached FAA approved model list, revision IR, dated 2/27/18 or later FAA approved revision. Also reference the AML for applicable instructions for continued airworthiness.

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.

3. See attached AML for additional limitations and conditions.

Date of Application: December 8, 2017 Date Reissued: March 19, 2018

Date of Issuance: February 27, 2018 Date Amended:

Signature

Title VT DRB Aviation Lead ODA Administrator ODA-831473-SW

Possession of this Su pplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, aircraf t engine, or propeller.

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

Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: ST11214DS

To (Name and address of transferee)

From (Name and address of grantor)