STC SA02547NY

FAA Form 8110-2 (5/14) Page 1 of

Part of the

Signature

Title SA02547NY Aerotech Industries Inc.

2870 Spit Road Campbell River, British Columbia Canada V9W 6J3 Civil Air Regulations.

1. Improved Strut Assembly - Float, Adex 203108 strut to be fabricated in accordance with Adex Engineering Inc. drawing 203108 Strut, Rev. B, TCCA approved October 21, 2016, or later TCCA approved revisions. Aerotech AT-100-008, strut fairing assembly, to be fabricated in accordance with Aerotech Industries Inc. Master Drawing List AT-400-MDL, Rev. A, TCCA approved May 3, 2018, or later TCCA approved revisions.

2. Installation of Adex 203108 and Aerotech Industries AT-100-008, to be done in accordance with DeHavilland Canada Maintenance Manual Supplement PSM-1-3-2, Part 2, paragraph 2.41, revision 15, September 1969.

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

1. Improved Strut Assembly - Float, Adex part number 203108 and Aerotech part number AT-100-008 to be installed replacing DeHavilland part numbers C3-UF-108 and C3-UF-8, respectively.

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

3. 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.

Anthony E. Gallo Manager New York ACO Branch Viking Air Limited DHC-3 August 12, 2019 February 3, 2020 February 20, 2008 September 30, 2008 IMPORT A-815 3

FAA Form 8110-2 (5/14) Page 2 of

To (Name and address of transferee)

From (Name and address of grantor)

3 SA02547NY

FAA Form 8110-2 (5/14) Page 3 of

3 Date Amended: February 3, 2020

Description of Type Design Change (continued):

3. Maintenance of Adex 203108 and Aerotech Industries AT-100-008 to be done in accordance with Adex Report No. 580-MMS-001, Rev. 0, TCCA accepted September 22, 2016, or later TCCA accepted revision.

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