STC ST11388DS

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

ST11388DS Aircraft Systems and Manufacturing, Inc.

1717 Universal City Boulevard Universal City, Texas 78148 Part 25 Title14 of the Code of Federal Regulations A6WE Boeing 717-200 Expansion of the Delta Comfort+® Passenger Seating Section in accordance with JANA Engineering Master Data List, Doc. No. 5801-0000-00, Rev IR, dated December 16, 2024, or later approved revision.

The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter the product, the holder must give the other person written evidence of that permission. See continuation on Page 3 of 3.

May 24, 2024 December 17, 2024 Robert H. Wilcox ODA Administrator, ODA-834704-SW 3

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

ST11388DS 3

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page ___ of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number:

ST11388DS Limitations and Conditions continued:

In addition to the basic aircraft maintenance manuals, the aircraft must be maintained in accordance with the Instructions for Continued Airworthiness (ICA) Document No. 5801-2170-00, Rev IR, dated September 18, 2024, or later FAA accepted revision. Airworthiness Limitations inspections per 14 CFR Part 25, Appendix H are contained in Chapter 7 of the ICA.

The FAA has reviewed the applicant's assessment showing that this modification does not impact the existing electrical wiring interconnection system instructions for continued airworthiness (EWIS ICA) and found that no additional EWIS ICA tasks are required.

Certification Basis:

The type certification basis for the Boeing 717-200 airplane for parts not changed or not affected by this change is shown on TCDS A6WE, Revision 30, dated March 25, 2014.

The certification basis for parts changed or affected by this change is based upon Part 25 as amended through Amendment 25‐82, as listed in this Compliance Checklist.

Based on 14 CFR Sections 21.115 and 21.101, and FAA policy for non‐significant changes in FAA Order 8110.48A, the certification basis for the aircraft to be modified by the STC design data are as follows:

Regulations at the latest amendment 25‐0 through 25‐151 used for this modification:

14 CFR § 25.29(b), 25.301(a,b), 25.303, 25.305(a,b), 25.562, 25.601, 25.603, 25.605(a), 25.609, 25.625, 25.789(a),

25.791(a)(b), 25.815, 25.1529, 25.1541, 25.1561.

Regulations at an intermediate amendment:

14 CFR § 25.307(a) Amdt. 25-72, 25.561(a,b3) Amdt. 25-64, 25.611 Amdt. 25.23, 25.613(a,b,c) Amdt. 25-72,

25.785(a,b,c,d,f1,f3,i,j,k) Amdt. 25-72, 25.812(b1) Amdt. 25-58, 25.813 Amdt. 25-76, 25.1447(c1) Amdt. 116.

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