STC ST12282SE

FAA 8110-2 (10/24) Page 1 of ___ ST12282SE B/E Aerospace, Inc. - FSI 11404 Commando Road W, Suite C Everett, WA 98204 Part 25 Title 14 Code of Federal Regulations The Boeing Company 777-200LR Series T00001SE Cargo loading system installation on Boeing 777-200LR Series airplanes in accordance with B/E Aerospace Inc. - FSI (B/E - FSI) Master Drawing List (MDL) C1FS189-D01 Revision K, dated February 2, 2026, or later Federal Aviation Administration (FAA) approved revision. (See Continuation Sheet Page 3) 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. (See continuation Sheet Pages 3 and 4) 5/10/23 4/7/26 Lead Administrator ODA-635712-NM 4

The Supplemental Instructions for Continued Airworthiness, B/E - FSI Document C1FS189-D15 Revision IR, dated March 5, 2026, or later FAA accepted revision must be incorporated into the operator's maintenance program.

The EWIS ICA Source Document, B/E - FSI Document C1FS189-D16, Revision IR, dated February 25, 2026, or later FAA accepted revision must be incorporated into the operator's maintenance program.

Limitations and Conditions, continued:

See B/E - FSI MDL C1FS189-D01 Revision K dated February 2, 2026, or later FAA approved revisions for eligible airplane serial numbers.

A copy of this certificate and B/E - FSI MDL C1FS189-D01 Revision K, dated February 2, 2026, or later FAA-approved revisions, must be maintained as part of the permanent records for the applicable modified aircraft.

Operate in accordance with FAA approved Weight and Balance Manual Supplement 50-27-03 Revision 03, dated March 14, 2026 or later FAA approved revisions.

Concurrent installation of Mammoth Freighters LLC FAA STC ST12333LA for a Passenger to Freighter conversion is required for all aircraft modified by this STC.

Certification Basis:

The certification basis for this modification is in accordance with Type Certificate Data Sheet, T00001SE, with the following exceptions:

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Regulations at a later amendment than specified in T00001SE:

§ 25.307 Amendment 25-139 § 25.611 (a)(b) Amendment 25-123 § 25.613 Amendment 25-112 § 25.621 Amendment 25-139 § 25.787 (a)(b) Amendment 25-139 § 25.853 (a) Amendment 25-116 § 25.855 (d) Amendment 25-142 § 25.869 (a)(1) Amendment 25-123 § 25.1301 (a)(b) Amendment 25-123 § 25.1309 (a)(b)(d)(e) Amendment 25-123 § 25.1353 (a)(c) Amendment 25-123 § 25.1357 (a)(c) Amendment 25-123 § 25.1360 (a) Amendment 25-123 § 25.1431 (a)(c)(d) Amendment 25-113 § 25.1583 (c)(1) Amendment 25-130 § 25.1703 Amendment 25-123 § 25.1707 Amendment 25-123 § 25.1711 Amendment 25-123 § 25.1713 (a)(b)(c) Amendment 25-123 § 25.1715 Amendment 25-123 § 25.1717 Amendment 25-123 § 25.1719 Amendment 25-123 § 25.1721 Amendment 25-123 § 25.1723 Amendment 25-123 § Appendix F Part I Amendment 25-111 § 26.11(c) Amendment 26-7 ------------------------------ END ------------------------------ 4 4 Add Page 04/07/26