STC SA04747NY

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number 

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122 Howard Langford Drive Uvalde, TX 78801 23 Title 14 Code of Federal Regulations A00014WI Textron Aviation, Inc.

510 Installation of Mustang Skystep Assembly in accordance with (1) Master Data List (MDL) SWG510-000, Rev IR, dated November 19, 2024, or later FAA approved revision. (2) Instructions for Continued Airworthiness (ICA) SWG510-801, Rev A, dated October 30, 2024, or later FAA accepted revision, shall be made available to the operator at the time of installation and be incorporated into the operator's maintenance program.

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

(2) If the holder agrees to permit another person to use the certificate to alter the product, the holder must give the other person written evidence of that permission.

(3) This STC is applicable to all serial numbers for the Make: Textron Aviation, Inc., Model: 510.

4/5/24 1/16/25 ODA administrator, ODA-834634-NE 3

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number  (IIHFWLYH'DWH I Transferr Endorsementt Transfer the ownership of Supplemental Type Certificate Number:

Too (Name and address of transferee):

Date oI transfer:

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(Continuation Sheet) Number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ertification Basis:

Based on 14 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 certification basis for Make: Textron Aviation, Inc., Model: 510 is as follows:

(1) The type certification basis for parts not changed or not affected by the change is shown on TCDS A00014WI.

(2) The modification certification basis for parts changed or affected by the change since the reference application date, April 5, 2024, is based upon 14 CFR part 23 as amended by Amendments 23-0 through 23-54.

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