STC ST09929AC

ST09929AC Aero Design Labs, L.L.C.

2506 Gravel Rd.

Fort Worth, TX 76118 Part 25 the Federal Aviation Regulations A16WE The Boeing Company 737-700 Series Installation of aerodynamic drag reduction modifications in accordance with Aero Design Labs Master Data List ADL21-5139, Revision IR, dated December 24, 2021, or later FAA approved revision. Airplane Flight Manual Supplement ADL21-5160, Revision IR dated May 11, 2022, or later FAA approved revision is required.

(See continuation sheet 3 of 4) January 31, 2018 September 16, 2022 May 11, 2022 S. Frances Cox Acting Manager, Fort Worth ACO Branch, Compliance & Airworthiness Division Aircraft Certification Service 4

ST09929AC 4

ST09929AC Date of Issuance: May 11, 2022 Date of Reissuance: September 16, 2022

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.

Instructions for Continued Airworthiness (ICA), Aero Design Labs Document ADL21-5169, Rev. C, Dated February 18, 2022, or later FAA accepted revision must be made available to the operator at the time of installation.

Reference Airplane Flight Manual Supplement for flight limitations.

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 series is as follows:

a. The type certification basis for Boeing Model 737-700 series airplanes is shown on TCDS A16WE for parts not changed or not affected by the change.

b. The certification basis for parts changed or affected by the change since the reference date of application, January 31, 2018, is based upon 14 CFR part 25 as amended by Amdt 25-125 and 14 CFR part 26 and 36.

The certification basis for this modification was determined to be:

ST09929AC Date of Issuance: May 11, 2022 Date of Reissuance: September 16, 2022

Certification Basis (continued):

Regulations per Type Certificate Data Sheet A16WE:

25.25; 25.29(a); 25.117; 25.123; 25.171; 25.173; 25.203; 25.251(a)(b)(c)(d); 25.253;

25.255; 25.301; 25.303; 25.305; 25.307; 25.321; 25.333; 25.337; 25.341; 25.571;

25.581; 25.601; 25.603(a)(b)(c); 25.605; 25.607; 25.609; 25.611; 25.629(a)(b)(e);

25.863(a)(b)(1)(2)(3); 25.901(c)(d); 25.903(e)(1)(2)(f); 25.1041; 25.1043(a)(1)(2)(b)(c);

25.1045(a)(b)(c); 25.1121; 25.1195(b)(c); 25.1207(a)(c); 25.1301(a)(b)(c)(d);

25.1309(a)(b)(g); 25.1501; 25.1516; 25.1519; 25.1531; 25.1533(a)(3); 25.1419;

25.1431(a)(c); 25.1529; 25.1581; 25.1583(a)(c)

Regulations at the latest amendment 25-0 through 25-108

25.101; 25.103; 25.105; 25.107; 25.109(a)(b)(c)(d)(e); 25.111(a)(b)(c)(d); 25.113;

25.115; 25.119(a); 25.121; 25.125; 25.143; 25.145; 25.147; 25.149; 25.161; 25.175;

25.177; 25.181; 25.201; 25.331; 25.349; 25.351; 25.613; 25.812(g)(1)(iii)(h)(1);

25.831(a); 25.1091(a)(d)(1); 25.1587(b)(3)(iii)(4)(7)

Regulation at amendment 25-123

25.1353(a)(c)

14 CFR Part 26 regulations

26.11 - Amendment 26-0; 26.47 - Amendment 26-7

14 CFR Part 36 regulations

36.1(a)(b)(c)(d)(f)(g) - Amendment 36-20; 36.2(a)(b) - Amendment 36-14; 36.3 - Amendment 36-14; 36.5 - Amendment 36-0; 36.6(a)(b)(c)(d)(e) - Amendment 36-20;

36.7(a)(b)(c)(d)(e) - Amendment 36-17

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