STC SA2745WE-D

This Certificate issued to United Air Lines, Inc.

600 Jefferson Street Houston, Texas 77002

Part 4b of the Civil Air Regulations Original Product Type Certificate Number :

4A25

Boeing

DC-8F-54 Description of Type Design Change: This modification provides seats, oxygen, cockpit communications, emergency equipment and other items necessary to carry six couriers or other persons authorized under 14 CFR 121.583 aft of Station 1370. The area between Area 292 and 1370 becomes a Class B cargo compartment in accordance with 14 CFR 25. 857. This modification is made in accordance with Drawing List COA 2-4563.

Limitations and Conditions: The approval of this change in type design applies basically to DC-8F-54 airplanes only. T his approval should not be extended to other aircraft of this model on which other previously approved modifications are in corporated unless it is determined by the installer that the interrelationship between this change and an y of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

This certificate and the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration.

Date of application: January 21, 1974

Date of issuance: April 22, 1974

Date reissued: November 30, 2011

( Signature) Haifa Haj-Eid Supervisor, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office (Titl )

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