STC ST10928SC

ST10928SC L2 Aviation 82 Comair Blvd Erlanger, KY 41018 Part 25 the Title 14, Code of Federal Regulations A16WE The Boeing Company 737-700 Series; 737-800 Series;

737-900 Series; 737-900ER Series 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 a product, the holder must give the other person written evidence of that permission.

(See Continuation Sheet 3 of 6) 08/04/2008 04/21/2015 04/19/2019 10/07/2024 12/10/2008 06/26/2009 09/01/2010 01/20/2011 ✔ for Jason S. Deutschman Acting Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 6 Installation of Iridium Communications System in accordance with L2 Consulting Services, Inc.

Master Drawing List 2322-B43-MDL, Rev. AD, dated January 26, 2013, or later FAA approved revision.

ST10928SC 06/05/2026 6

ST10928SC 06/05/2026 Date Reissued:

11/15/2024; 06/05/2026

03/11/2013; 06/02/2014

1. FAA Approved Flight Manual Supplement, L2 Consulting Services, Inc. Document 2322-B43-AFM, Rev. J, dated March 21, 2019 or later FAA approved revision is required onboard the modified aircraft.

2. Instructions for Continued Airworthiness (ICA), L2 Consulting Services, Inc. Document 2322-B43-ICA, Rev. Q, dated January 26, 2013 or later FAA accepted revision must be made available to the operator at the time of installation.

Note: 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:

Based on 14 CFR §§21.115 and 21.101, and FAA policy for significant changes in FAA Order 8110.48, the certification basis for the Boeing 737-700/800/900/900ER series is as follows:

a. The type certificate basis for Boeing 737 series airplanes is shown on TCDS A16WE for parts not changed or affected by the change.

•The type certification basis amendment levels are listed on TCDS A16WE are as follows:

◦-700/-800 - Amendments 25-1 through 25-77 with some exceptions listed in TCDS.

◦-900 - Amendments 25-1 through 25-91 with some exceptions listed in TCDS.

◦-900ER - Amendments 25-1 through 25-108 with some exceptions listed in TCDS.

ST10928SC 06/05/2026 Certification Basis (Continued):

b. The certification basis for parts changed or affected by the change since the reference date of application June 08, 2018 is based upon part 25 as amended by Amendment 25-144 and 14 CFR part 26 as amended by Amendment 26-1.

Based on 14 CFR §21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for this modification was determined to be:

For 737-700 Series and 737-800 Series:

Regulations at the amendment level in TCDS A16WE (25-0 through 25-77)

25.23(a); 25.25(a); 25.27; 25.29(a); 25.301; 25.303; 25.307(a); 25.341(c); 25.581; 25.601;

25.603; 25.605(a), (b); 25.607; 25.609(a); 25.625(a); 25.771(a); 25.789(a); 25.869(a)(4);

25.1307(c); 25.1322(b); 25.1351(a); 25.1355(a); 25.1381(a), (b); 25.1519; 25.1529; 25.1541(b);

25.1581(a)(2)

Regulations at an intermediate amendment

25.1316(b), (c) amendment 25-80

25.571(a), (b) amendment 25-96

25.771(a)(2); 25.1419 amendment 25-121

Regulations at the latest amendment 25-0 through 25144

25.305(a), (b); 25.365(a), (b), (c), (d); 25.561(c); 25.611(a); 25.613(a), (b), (c); 25.981(a)(3),

(d); 25.1301(a); 25.1309(b), (c), (d), (e); 25.1353(a), (c); 25.1357(a), (c); 25.1431; 25.1583;

25.1585; Appendix H

For 737-900 Series:

ST10928SC 06/05/2026 Certification Basis (Continued):

Regulations at the amendment level in TCDS A16WE (25-0 through 25-91)

25.23(a); 25.25(a); 25.27; 25.29(a); 25.301; 25.303; 25.305(a), (b); 25.307(a); 25.341(c); 25.561

(c); 25.581; 25.601; 25.603; 25.605(a), (b); 25.607; 25.609(a); 25.625(a); 25.771(a); 25.789(a);

25.869(a)(4); 25.1307(c); 25.1316(b), (c); 25.1322(b); 25.1351(a); 25.1355(a); 25.1381(a), (b);

25.1519; 25.1529; 25.1541(b); 25.1581(a)(2)

Regulations at an intermediate amendment

25.571(a), (b) amendment 25-96

25.771(a)(2); 25.1419 amendment 25-121

Regulations at the latest amendment 25-0 through 25-144

25.365(a), (b), (c), (d); 25.611(a); 25.613(a), (b), (c); 25.981(a)(3), (d); 25.1301(a); 25.1309(b),

(c), (d), (e); 25.1353(a), (c); 25.1357(a), (c); 25.1431; 25.1583; 25.1585; Appendix H

For 737-900ER Series:

Regulations at the amendment level in TCDS A16WE (25-0 through 25-108)

25.23(a); 25.25(a); 25.27; 25.29(a); 25.301; 25.303; 25.305(a), (b); 25.307(a); 25.341(c); 25.561

(c); 25.571(a), (b); 25.581; 25.601; 25.603; 25.605(a), (b); 25.607; 25.609(a); 25.625(a); 25.771

(a); 25.789(a); 25.869(a)(4); 25.1307(c); 25.1316(b), (c); 25.1322(b); 25.1351(a); 25.1355(a);

25.1381(a), (b); 25.1519; 25.1529; 25.1541(b); 25.1581(a)(2); 25.1583; 25.1585

Regulations at an intermediate amendment

25.771(a)(2); 25.1419 amendment 25-121

Regulations at the latest amendment 25-0 through 25-144

25.365(a), (b), (c), (d); 25.611(a); 25.613(a), (b), (c); 25.981(a)(3), (d); 25.1301(a); 25.1309(b),

(c), (d), (e); 25.1353(a), (c); 25.1357(a), (c); 25.1431; Appendix H 5 6

ST10928SC 06/05/2026 Certification Basis (Continued):

14 CFR Part 26 regulations Based on 14 CFR §21.101(g), applicable provisions of 14 CFR part 26 are included in the certification basis. For any future 14 CFR part 26 amendments, the holder of this STC must demonstrate compliance with the applicable sections. As of the issuance date of this STC, compliance has been found for the following regulations 14 CFR §26.11 - amendment 26-0 and

26.47; 26.49 - amendment 26-1.

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