STC ST00053IB

IMPORT ST00053IB

EAD AEROSPACE AIRWORTHINESS 1 RUE CHANCARELLE 84240 LA BASTIDE DES JOURDANS France 25 Title 14 Code of Federal Aviation Regulations A20WE The Boeing Company 747-400

1. Installation of the KA-Band SATCOM Antenna in accordance with EAD Aerospace Master Data List, Doc No.01536-EAS-A-MDL, Rev G, dated August 25, 2022 or later EASA approved revisions.

(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) June 16, 2021 September 1, 2022 Anthony E. Gallo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service 4

IMPORT ST00053IB 4

IMPORT ST00053IB Date Issued: September 1, 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.

01536-EAS-A-AFM-01-B, Rev B, dated December 14, 2018 or later EASA approved revisions.

3. Maintenance must be accordance with Instructions for Continued Airworthiness and maintenance manuals, -Doc. No. 01536-EAS-A-ICA-01, rev L, dated June 17, 2022, or later EASA approved revisions.

-Doc No. 01536-IST-A-AMM-02, rev D, dated April 19, 2022 or later EASA approved revisions.

-Doc No. 01536-IST-A-AMM-01, rev F, dated April 19, 2022 or later EASA approved revisions.

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 all serial numbers for the Boeing 747-400 series.

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.

(limitations and conditions continued on page 4 of 4) 3 4

IMPORT ST00053IB Date Issued: September 1, 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 747-400 series is shown on TCDS A20WE for parts not changed or not affected by the change.

b. The Type Certification basis for the 747-400 series on TCDS A20WE for parts changed or affected by the change except for the following:

Regulations at the latest amendment 25-0 through 25-128:

§§ 25.29, 25.101, 25.111, 25.113, 25.115, 25.119, 25.121, 25.123, 25.251, 25.305,

25.307(a), 25.321, 25.333, 25.351, 25.561, 25.603, 25.605, 25.611, 25.613, 25.625,

25.629, 25.777, 25.841, 25.853, 25.869, 25.899, 25.1301, 25.1307, 25.1309,

25.1316,25.1333, 25.1351, 25.1353, 25.1357, 25.1360, 25.1401, 25.1419, 25.1423,

25.1431, 25.1438, 25.1501, 25.1529, 25.1581, 25.1583, 25.1585, 25.1587.

Equivalent Level of Safety (ELOS) Finding has been made for the following regulation: §25.251Vibration/Buffeting Compliance Criteria (documented in ELOS Memorandum ST11231IB-T-F-1 dated June 10, 2022.

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