STC ST04592CH

Number: ST04592CH

Part 25 of the Federal Aviation Regulations.

Original Product Type Certificate Number: A16WE Make: Boeing Model: 737-800 Series ; 737-900ER Series

Date of Application: February 1, 2022 Date Reissued: May 8, 2023 Date of Issuance: December 2, 2022 Date Amended:

Brenda L. Litchfield ODA Administrator Title: Envoy Aerospace, LLC ODA-831240-CE Astronics Armstrong Aerospace 804 S. Northpoint Blvd Waukegan, IL 60085

1) This STC is applicable to all serial numbers for these Boeing 737-800 Series, and 737-900ER Series.

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

3) FAA Approved Airplane Flight Manual Supplement, Astronics Armstrong Aerospace Doc. No. DC303-141681- 00, Revision -, approved December 2, 2022, or later FAA approved revision, is required on board the modified aircraft.

4) This modification requires that the aircraft be shown to be electromagnetically compatible with transmitting portable electronics devices (T-PEDs) that utilize wireless data technologies.

5) The system is intended to provide non-essential, non-required stored Audio Visual On Demand (AVOD) content, internet connection and email services to the airplane’s cabin using portable electronic devices (PEDs). Any other intended function of this equipment will require a re-examination of the certification basis.

6) 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.

Installation of ViaSat Gen 2 IFE/C System in accordance with Astronics Armstrong Aerospace Master Data List, Doc. DC104-141681-00, Revision A, dated November 29, 2022, or later FAA approved revision.

Number: ST04592CH

(Continuation Sheet) Number: ST04592CH

Date Reissued: May 8, 2023 Certification Basis:

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 the Boeing 737-800 Series and 737-900ER Series aircraft is as follows:

a. The type certification basis for the Boeing 737-800 Series and 737-900ER Series aircraft is shown on TCDS A16WE for parts not changed or affected by the change.

b. This certification basis for parts changed or affected by the change since the reference date of application is based upon TCDS A16WE. Based on 14 CFR 21.115 and 21.101, and the FAA policy for significant changes in Order 8110.48, the certification basis for this modification was determined to be:

Applicable 14 CFR Part 25 regulations at the latest amendment 25-0 through 25-108 § 25.29(a)(b) § 25.301(a)(b) § 25.303 § 25.305(a)(b) § 25.307(a) § 25.561(c) § 25.601 § 25.603(a)(b)(c) § 25.605(a) § 25.609(a) § 25.611 § 25.613(a)(b) § 25.619(a)(b)(c) § 25.625(a) § 25.789(a) § 25.813(a)(b) § 25.981(a) § 25.1301(a)(b)(c)(d) § 25.1307(c) § 25.1309(a)(b)(d)(g) § 25.1351(a) § 25.1353(a)(b) § 25.1357(a)(c)(d) § 25.1423(c) § 25.1431(a)(b)(c) § 25.1501(a)(b) § 25.1529 § 25.1581(a)(b)(d) § 25.1585(a)(b)

Applicable 14 CFR Part 25 regulations at other amendment levels Boeing 737-800: § 25.571(a) [Amdt 25-72]; § 25.571(b) [Amdt 25-86]; § 25.853(a) [Amdt 25-116];

§ 25.869(a)(4) [Amdt 25-113].

Boeing 737-900ER: § 25.571(a)(b) [Amdt 25-86]; § 25.853(a) [Amdt 25-116]; § 25.869(a)(4) [Amdt 25-113].

Applicable 14 CFR Part 26 regulations at the latest amendment 26-0 through 26-1 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 latest amendment date of this STC, compliance has been found for the following regulations:

14 CFR § 26.11(c) [Amdt. No. 26-0]; § 26.47(c) [Amdt. No. 26-1].

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