STC SA2146WE

This Certificate issued to United Air Lines, Inc.

600 Jefferson Street Houston, Texas 77002 Part 4b of the Civil Air Regulations.

d t d D b 31 1953Original Product Type Certificate Number :

4A25

Boeing

DC-8-62 Description of Type Design Change: Alternate Seating Configuration in accordance with FAA Approved United Air Lines Drawing List No. COA 2-3736, or later FAA approved revisions.

Limitations and Conditions: This approval should not be extended to other specific airplanes of this model on which other previously approve d modifications are incorporated unless it is determined that the interrelationship between th is change and any of those other previously approved modifications will introduce no adverse e ffect upon the airworthiness of the 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: November 25, 1969

Date of issuance: April 1, 1970

Date reissued: November 30, 2011

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

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