STC ST00172IB

IMPORT ST00172IB SkyService F.B.O. Inc.

9785 Ryan Avenue Dorval, Quebec Canada H9P 1A2 Part 25 Title 14 Code of Federal Regulations A21EA Bombardier Inc.

CL-600-2B16 (604 Variant)

1. Installation of Thrane & Thrane Aviator 300 must be in accordance with Avionics Design Services Ltd.

Master Drawing List MDL12028, Revision C, Transport Canada Civil Aviation (TCCA) approved December 14, 2023, or later TCCA approved revision.

2. Operation must be in accordance with Skyservice Business Aviation Inc. Flight Manual Supplement FMS12028-1 Revision N/C, TCCA approved August 24, 2012, or later TCCA approved 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.

(See continuation sheet 3) January 12, 2024 January 17, 2024

Anthony E. Gallo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service 3

IMPORT ST00172IB ST00172IB 3

IMPORT ST00172IB Date of Issuance: January 17, 2023

Description of Type Design Change (continued):

3. Maintenance must be in accordance with TCCA accepted Skyservice Business Aviation Inc. Instructions for Continued Airworthiness ICA12028-1, Revision A, dated May 16, 2022, or later TCCA accepted revision.

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

3. Compliance with Chapter 4.0 "Airworthiness Limitations" of the Instructions for Continued Airworthiness, referenced in the Description section, is mandatory.

4. This approval is limited to only the installation made in Bombardier, CL-600-2B16 (604 Variant), Serial No. 5835, 5337, 5579, and 5641.

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