STC ST04486NY

IMPORT ST04486NY Mid Canada Mod Center 2450 Derry Road East, Hanger #9 Mississauga, Ontario Canada L5S 1B2 Title 14 Code of Federal Regulations A53EU ATR ATR42-300, ATR42-320, ATR42-500 ATR72-202, ATR72-212, ATR72-212A

1. Installation of the Dual SFIM F227 APIRS must be in accordance with Avionics Design Services Ltd.

Master Drawing List MDL14016, Revision M, Transport Canada Civil Aviation (TCCA) approved January 28, 2025, or later TCCA approved revision.

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

(See Continuation Sheet 3) November 21, 2018 May 5, 2020 February 18, 2025 John Yoo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service 4

IMPORT ST04486NY 4

IMPORT ST04486NY Date Amended: February 18, 2025

Description of Type Design Change (continued):

For ATR42

1. Operation must be in accordance with Mid Canada Mod Center Flight Manual Supplement FMS14016-1, Revision C, TCCA approved January 28, 2025 or later TCCA approved revision.

2. Maintenance must be in accordance with TCCA accepted Mid Canada Mod Center Instructions for Continued Airworthiness ICA14016-1, Revision G, dated January 23, 2025 or later TCCA accepted revision.

For ATR72

1. Operation must be in accordance with Mid Canada Mod Center Flight Manual Supplement FMS14016-2, Revision D, TCCA approved January 28, 2025 or later TCCA approved revision.

2. Maintenance must be in accordance with TCCA accepted Mid Canada Mod Center Instructions for Continued Airworthiness ICA14016-2, Revision I, dated January 23, 2025 or later TCCA accepted revision.

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. This modification is not applicable to Model ATR72-212A with Mod 5948 incorporated.

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

IMPORT ST04486NY Certification Basis:

Based on title 14 Code of Federal Regulations (CFR) 21.115 and 21.101, and the Federal Aviation Administration (FAA) policy for design changes that are identified as not significant in FAA Order 8110.48, the type certification basis for ATR Models ATR42-300, ATR42-320, ATR42-500, ATR72-202, ATR72-212, and ATR72-212A is as follows:

a. The type certification basis for ATR Models ATR42-300, ATR42-320, ATR42-500, ATR72-202, ATR72-212 and ATR72-212A as shown on Type Certificate Data Sheet (TCDS) A53EU for parts not changed or not affected by the change.

b. The type certification basis for ATR Models ATR42-300, ATR42-320, ATR42-500, ATR72-202, ATR72-212 and ATR72-212A as shown on Type Certificate Data Sheet (TCDS) A53EU for parts changed or affected by the change in addition to:

Regulations at amendment 25-1 through 25-54

25.301, 25.303, 25.305, 25.307, 25.561, 25.581, 25.601, 25.603, 25.605, 25.607,

25.609, 25.611, 25.613, 25.615, 25.619, 25.771, 25.777, 25.1301, 25.1303, 25.1307,

25.1309, 25.1321, 25.1322, 25.1325, 25.1327, 25.1329, 25.1331, 25.1333, 25.1335,

25.1351, 25.1353, 25.1355, 25.1357, 25.1359, 25.1381, 25.1431, 25.1525, 25.1529,

25.1541, 25.1581, 25.1583, 25.1585

14 CFR 26.11 Amendment 26-7

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