STC SR01863LA

This Certificate issued to Garmin AT, Inc.

2345 Turner Road SE Salem, Oregon 97302

Part * of the * Regulations.

Original Product Type Certificate Number: * Refer to Approved Model List SR01863LA Model: dated 16 November 2006, or later FAA Approved Model: revision.

Installation of Garmin GDL 90 UAT Sensor and Model GSL 71 UAT Control Panel in accordance with FAA Approved Garmin AT GDL 90 UAT System Helicopter STC Master Data List, Document No. 560-0254-00, Revision C, dated 26 April 2006, or later FAA approved revision.

1. This approval should not be incorporated in any aircraft unless it is determined that the interrelationship between this installation and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the aircraft.

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

3. For Instructions for Continued Airworthiness, refer to Garmin AT, Inc. Instructions for Continued Airworthiness Helicopter STC (AS-350 Series), Document No. 560-0255-00, Revision B, dated 26 April 2006, or later FAA accepted revision.

4. FAA approved Rotorcraft Flight Manual Supplement (RFMS) Document No. 560-0412-01, Revision B, dated 28 April 2006, or later FAA-approved revision, is a required part of this modification.

Date of application : October 18, 2005

Date of issuance : February 08, 2006 Date reissued :

Date amended : 16 November 2006

( Signature) Gregory J. Holt Manager Anchorage Aircraft Certification Office

( Title)