STC ST04517CH

Number: ST04517CH

Part 25 of the Federal Aviation Regulations.

Original Product Type Certificate Number: T00001SE Make: Boeing Model: 777-300ER Series

Date of Application: August 19, 2021 Date Reissued:

Date of Issuance: September 27, 2021 Date Amended:

Brenda L. Litchfield ODA Administrator Title: Envoy Aerospace, LLC ODA-831240-CE Etihad Airways Engineering 40 Exchange Place, #701 New York, NY 10005

1) This STC is applicable to all serial numbers for this Make-Model-Series.

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

3) 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.

Cabin Reconfiguration in accordance with Etihad Airways Engineering Master Drawing List, Doc. No.

EB7-18250500-DL03, Issue 1, dated September 22, 2021, or later FAA-approved revisions.

Number: ST04517CH

(Continuation Sheet) Number: ST04517CH Date of Issuance: September 27, 2021 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 777-300ER Series aircraft is as follows:

a. The type certification basis for the Boeing 777-300ER Series aircraft is shown on TCDS T00001SE 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 T00001SE. 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 regulations at the latest amendment 25-0 through 25-98 § 25.29(a), (b) § 25.301(a), (b), (c) § 25.303 § 25.305(a), (b), (c) § 25.307(a), (d) § 25.561(a), (b), (c), (d) § 25.562(a), (b), (c) § 25.601 § 25.603(a), (b), (c) § 25.611 § 25.613(a), (b), (d) § 25.621(a) § 25.623(a), (b) § 25.625(a), (d)

§ 25.785(a), (b), (c), (f)(1), (f)(3),

(h)(2), (i), (j), (k) § 25.787(a) § 25.789(a) § 25.791(a), (b) § 25.801(a) § 25.803(a), (c) § 25.811(c) § 25.812(e) § 25.813(a), (b), (d) § 25.815 § 25.817 § 25.853(a), (c), (d) § 25.869(a)(4)

§ 25.1301(a), (b), (c), (d) § 25.1307(c) § 25.1309(a), (b), (e), (f) § 25.1351(a)(1) § 25.1353(a), (b) § 25.1357(a), (b), (c), (d), (e) § 25.1411(a), (b), (f) § 25.1415(a), (b) § 25.1423(c) § 25.1431(a), (c) § 25.1447(a), (c)(1) § 25.1529 § 25.1541(a), (b) § 25.1557(c) § 25.1561(a), (b), (c), (d), (e)

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. 26-7]; § 26.47(c) [Amdt. No. 26-7]. This modification does not affect or create fatigue critical baseline structure.

Special Conditions 25-367-SC, Special Conditions: Boeing Model 777 Series Airplanes; Seats With Non-Traditional, Large, Non- Metallic Panels [Docket No. NM383].

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