STC ST00057IB

IMPORT ST00057IB

AMAC AEROSPACE SWITZERLAND AG STRENENGASSE 18 5041 BASEL

SWITZERLAND 25 Title 14 Code of Federal Aviation Regulations T00001SE The Boeing Company 777-200, 777-200LR, 777-300, 777-300ER

1. Installation of the Wave KA Band Antenna in accordance with AMAC Aerospace Master Data List, -Doc No. MDL-B771-5300, Rev E, dated August 19, 2022 or later EASA approved revisions for the Boeing 777-200, 777-200LR.

-Doc No. MDL-B771-2-5300 rev D, dated November 8, 2018 or later EASA approved revisions for the Boeing 777-300, 777-300ER.

(Description of Type Design Change continued on page 3 of 4)

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

(Limitations and Conditions continued on page 3 of 4) February 22, 2019 August 24, 2022 Anthony E. Gallo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service 4

IMPORT ST00057IB 4

IMPORT ST00057IB Date Issued: August 24, 2022 Description of Type Design Change: (continued from page 1 of 4)

2. Operation must be in accordance with Airplane Flight Manual Supplement, -Doc. No. AFMS-B7771-5300, Rev D, dated August 19, 2022 or later EASA approved revisions for the Boeing 777-200, 777-200LR.

-Doc No. AFMS-B7771-2-5300, Rev A, dated October 12, 2018 or later EASA approved revisions for the Boeing 777-300, 777-300ER.

3. Maintenance must be accordance with Instructions for Continued Airworthiness, -Doc. No. ICA-B7771-5300, Rev B, dated October 30, 2018 or later EASA approved revisions for the Boeing 777-200, 777-200LR.

-Doc No. ICA-B7771-2-5300, Rev B, dated October 29, 2018 or later EASA approved revisions for the Boeing 777-300, 777-300ER.

Limitations and Conditions: (continued from page 1 of 4)

2. The EASA approved Airworthiness Limitations section of the Instructions for Continued Airworthiness referenced in the Description of the Type Design Section of this STC is mandatory.

3. The aircraft must be operated in accordance with the operations limitations section of the Airplane Flight Manual Supplement referenced in the Description of Type Design section of this STC.

4. This STC is only applicable to the following Boeing 777 series:

777-200,777-200LR: line 298 and subsequent 777-300, 777-300ER: line 94 and subsequent

5. 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.

IMPORT ST00057IB Date Issued: August 24, 2022 Certification Basis:

Based on 14 CFR §§ 21.115 and 21.101, and the FAA policy for changes that are not significant in FAA order 8110.48A, the certification basis for this modification are as follows:

a. The Type Certification basis for the 777-200, 777-200LR, 777-300, 777-300ER series is shown on TCDS T00001SE for parts not changed or not affected by the change.

b. The Type Certification basis for the 777-200, 777-200LR, 777-300, 777-300ER series is shown on TCDS T00001SE for parts changed or affected by the change except for the following:

14 CFR Part 25 Amendment 105:

25.113, 25.307(a), 25.365, 25.571(b)(e), 25.631, 25.841 and 25.901(c)

Equivalent Level of Safety (ELOS) Finding has been made for the following regulation: §25.251Vibration/Buffeting Compliance Criteria (documented in ELOS Memorandum ST09054NY-T-F-1 dated June 14, 2022.

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