STC ST09890AC

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page _1_ of _4_ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: ST09890AC This certificate issued to:

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. This certificate is for structural provisions only. EMI and functional testing is required as part of a separate approval when associated component parts are installed.

Federal Aviation Regulations25 The Boeing Company 737-700 Series, 737-700C Series, 737-800 Series, 737-900 Series, 737-900ER Series, 737-8 March 26, 2019, December 15, 2020 Jim Grigg Manager, Fort Worth ACO Branch Compliance & Airworthiness Division Aircraft Certification Service November 18, 2015 June 8, 2018

A16WE Delta G Design, Inc.

100 Research Pkwy., Suite 3287-B Waco, TX 76704 Installation of a IGA-5001 Antenna (structural provisions only) in accordance with Delta G Design Master Data List DGD-IGA01-MD-03, Rev. C, dated December 8, 2020, or later FAA approved revision.

Maintained per Delta G Design and Instructions for Continued Airworthiness DGD-IGA01-IC-03, Rev. D, dated November 10, 2020, or later FAA accepted revision.

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page _2_ of _4_ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: ST09890AC

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page _3__ of _4__ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST09890AC

Certification Basis:

1.Based on 14 CFR § 21.115 and 21.101(b)(1) and FAA Order 8110.48, the certification basis for the listed models of Boeing 737 aircraft modified by the installation of a Cobham IGA-5001 Antenna is as follows:

a. The type certification basis for the Boeing 737 airplane 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, November 18, 2015, is based upon part 25 as amended by Amendment 25-120.

Based on 14 CFR § 21.115 and 21.101(b)(1) and FAA Order 8110.48, the certification basis for this modification was determined to be:

Regulations at the latest amendment 25-0 through 25-91 14 CFR § 25.23, 25.251(b), 25.301(a)(b), 25.303, 25.305(a)(b)(e), 25.321(b)(1)(2)(3)(c)

(d), 25.351, 25.561(c), 25.581(a)(1)(2)(b)(1)(2)(c), 25.601, 25.603, 25.605(a), 25.609,

25.625(a), 25.629(a), 25.1401(b), 25.1519, 25.1529

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page _4__ of _4__ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST09890AC Regulations at an intermediate amendment 14 CFR § 25.307(a) amdt 72, 25.571(a)(1)(3)(b)(5)(i)(ii) amdt 86, 25.611 amdt 23,

25.613(a)(b)(c) amdt 72, 25.1419(a) amdt 72

Regulations at the amendment level in TCDS A16WE 14 CFR § 25.365(a)(b)(d)(e)

Regulation 26.47(c)

2. The following lists the Federal Aviation Regulations complied with for the listed series of the Boeing 737 models modified by this STC amendment dated December 15, 2020:

25.23 Amdt 0, 25.601 Amdt 0, 25.603 Amdt 46, 25.605 (a) Amdt 46, 25.609 Amdt 0,

25.611 Amdt 23, 25.613 (a)(b)(c) Amdt 112, 25.1519 Amdt 0, 25.1529 Amdt 54,

25.1529 App.H Amdt 132, 26.47(c) Amdt 0

Equivalent Level Of Safety Memo #SA02919AC-T-F-1 for § 25.251(b)

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