STC ST04571NY

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

IMPORT ST04571NY SkyTrac Systems Ltd.

210-1631 Dickson Avenue Kelowna, British Columbia V1Y 0B5 Part 25 Federal Aviation Regulations A1NM Boeing 767-200 Series

1. Installation of the SkyTrac ISAT Airborne Position/Data Communicator must be in accordance with Avionics Design Services Ltd. Master Drawing List MDL18083 Revision B, Transport Canada Civil Aviation (TCCA) approved on January 10, 2020, or later TCCA approved revisions.

(See Description of Type Design Change Continued on Page 3 of 3)

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

(See Limitations and Conditions Continued on Page 3 of 3) June 3, 2020 March 2, 2021 Timothy J. Hadsall Acting Manager, New York ACO Branch Compliance & Airworthiness Division Aircraft Certification Service 3

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

IMPORT ST04571NY 3

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page ___ of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number:

IMPORT ST04571NY Date of Issuance: March 2, 2021

Description of Type Design Change (continued):

2. Operation of the SkyTrac ISAT Airborne Position/Data Communicator must be in accordance with SkyTrac Systems Ltd. Flight Manual Supplement FMS18083-1 Revision N/C, TCCA approved on December 16, 2019, or later TCCA approved revisions.

3. Maintenance of the SkyTrac ISAT Airborne Position/Data Communicator must be in accordance with SkyTrac Systems Ltd. Instructions for Continued Airworthiness ICA18083-1 Revision N/C, dated March 1, 2019, or later TCCA accepted revisions.

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. The aircraft must be operated in accordance with the "Limitations" section of the SkyTrac Systems Ltd. Flight Manual Supplement FMS18083-1 Revision N/C, TCCA approved on December 16, 2019, or later TCCA approved revisions.

4. Mandatory replacement time and/or inspection intervals are defined in the Airworthiness Limitations AWL18083-1 Revision A, TCCA approved on December 20, 2019, or later TCCA approved revisions.

5. This STC is applicable to all serial numbers for this Make-Model

Note: This STC does not require a revised Electrical Wiring Interconnection System (EWIS) Instructions for Continued Airworthiness (ICA).

----------END---------- 3 3