STC ST04682NY

5655 Airport Way Kelowna, British Columbia Canada V1V 1S1 Part 25 Title 14 Code of Federal Regulations A16WE BOEING 737-300 Series, 737-400 Series, 737-500 Series

1. The Installation and Modification of the Fuel Quantity Indicating System must be done in accordance with KF Aerospace Modification Data Summary K433-102-001-002, Revision B, Transport Canada Civil Aviation (TCCA) approved November 24, 2021, 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.

(Limitations and Conditions Continued on Page 3 of 3) September 17, 2021 December 20, 2021

Anthony E. Gallo Manager, International Validation Branch (AIR-730) Compliance & Airworthiness Division Aircraft Certification Service (AIR) 3

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 this Make, Model and Series.

Certification Basis:

Based on title 14 Code of Federal Regulations (CFR) § 21.115 and § 21.101, and the FAA policy for design changes that are identified as not significant in FAA Order 8110.48, the type certification basis for BOEING 737-300 Series, 737-400 Series, and 737-500 Series is as follows:

a) The type certification basis for the BOEING 737-300 Series, 737-400 Series, and 737-500 Series as shown on TCDS A16WE for parts not changed or not affected by the change.

b) The type certification basis for the BOEING 737-300 Series, 737-400 Series, and 737-500 Series as shown on TCDS A16WE for parts changed or affected by the change with the following exception:

14 CFR § 25.1529, amendment 25-54.

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

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