STC SR03059NY

Part * of the Federal/Civil Air Regulations.

Installation of an A790 Loud Hailer Controller in accordance with Avionics Design Services Ltd. Master Drawing List MDL09101, Revision N/C, dated January 14, 2011, Transport Canada approved January 18, 2011, or later Transport Canada approved revision.

1. Maintenance must be in accordance with TCCA accepted Instructions for Continued Airworthiness specified in the attached aircraft Approved Model List.

Technisonic Industries Limited 240 Traders Boulevard East Mississauga, Ontario L4Z 1W7 Canada Date reissued:

( Signature) Timothy Hadsall Acting Manager New York Aircraft Certification Office

( Title)

Date of application: January 19, 2011

Date of issuance: February 8, 2012

*See attached FAA Approved Model List (AML) No.

SR03059NY for the list of approved aircraft models and applicable airworthiness regulations.

FAA Form 8110-2-1(10-69) Page 2 of 2

Number SR03059NY Date of Issue: February 8, 2012

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. Compatibility of this design change with previously approved modifications must be determined by the installer.

4. A copy of this certificate and the FAA Approved Model List (AML) No. SR03059NY, issued February 8, 2012, or later FAA approved revisions, must be maintained as part of the permanent records for the modified aircraft.

……..END………