STC ST04618NY

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 ST04618NY Cascade Aerospace 2700 -1337 Townline Road Abbotsford, British Columbia Canada V2T 6E1 Part 25 Title 14 Code of Federal Regulations A16WE BOEING 737-6CT, 737-7CT, 737-8CT

1. Installation of Heads Up Technologies PBS600 Pre-Recorded Announcements and Music (PRAM) unit must be in accordance with Cascade Aerospace Master Document List MDL 4102, Revision 3, Transport Canada Civil Aviation (TCCA) approved March 21 2016, or later TCCA approved revision.

2. Maintenance must be in accordance with Westjet Aircraft Maintenance Manual Supplement W737-23- 1412, Revision A, dated February 6, 2007, or later TCCA accepted revision.

1. 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.

(Limitations and Conditions Continued on Page 3 of 3) March 15, 2021 April 7, 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 ST04618NY ST04618NY 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 ST04618NY Date of Issuance: April 7, 2021

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

3. This STC is applicable to all serial numbers for the Make and Models.

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