STC SA846WE

United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate This certificate has been reissued to replace the original certificate reported as lost.

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

4A28

Boeing

720-022 Description of Type Design Change: Modify cabin interior arrangement to a three-class configuration in accordance with United Air Lines Drawing 15F-2479 sheets 1 thru 4.

Limitations and Conditions: This approval should not be extended to other specific airplanes of this model on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this cha nge and any of those other previ ously approved modifications will introduce no adverse effect upon the airworthiness of that airplane. 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 18, 1964

Date of issuance: December 24, 1964

Date reissued: November 30, 2011

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

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