STC ST04515AT

FAA Form 8110-2 (5/14) Page 1 of 3 Number: ST04515AT This c ertificate issued to: AerSale, Inc.

9850 NW 41st Street, Suite 400 Doral, Fl 33178 Part 25 of Title 14 Code of Federal Regulations.

Original Product – Type Certificate Number: A3WE Make: Boeing Model:

727-223 Desc ription of Type Design Change:

Insta llation of Auxiliary Fuel Tank Ignition Mitigation Reticulated Polyurethane Foam in Boeing 727-223 Series aircraft, in accordance with AerSale Inc. (1) Master Data List, 9359-MDL-001. Revision A. Dated 04/15/2021 or later FAA approved revision.

(2) Instructions for Continued Airworthiness (ICA) B727-D0044-155. Revision B. dated 04/07/2021 or later FAA accepted revision.

The ICA and its contents must be incorporated into the operator’s maintenance program. (3) Airplane Flight Manual Supplement (AFM) B727-D0044-150 Revision B, dated April 15, 2021 or later FAA Approved revision.

1. The Inst aller must determine whether this design is compatible with previously approved modifications.

2. If the holder agrees to permit another person to use the certificate to alter the product the holder must give the other person written evidence of that permission

Date of Application: September 14, 2020 Date of Issuance: June 11, 2021 Date Reissued: December 17, 2024, January 8, 2025 Date Amended:

By Direction of the Administrator Signature Title: (for) Manager, East Certification Branch

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST04515AT

FAA Form 8110-2 (5/14) Page 2 of 3 IN STRUCTIONS: The transfer endorsement below may be used to notify the appropriate FAA Aircraft Certification Office of the transfer of this Supplemental Type Certificate. The FAA will reissue the certificate in the name of the transferee and forward it to him.

To (Name and address of transferee) From (Name and address of grantor) Extent of Authority (if licensing agreement):

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST04515AT

FAA Form 8110-2 (5/14) Page 3 of 3

Date of Reissuance: January 8

, 2025 Certification Basis: Based on 14 CFR §§ 25.981, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for the Boeing Model 727-223 airplane is as follows:

1. The ty pe certification basis for the Boeing Model 727-223 airplane is shown on TCDS A3WE for parts not changed or not affected by the change.

2. The certification basis for the parts changed or affected by the change since the reference date of application October 28, 2020 is based upon part 25 as amended by amendment 25-125.

Regu lations at later amendment than 25-125:

14 CFR Part Amendment

25.901(a)(1)(3)(b)(2)(3)(4)(c) 25-126

END