STC SA2736NM-D

This Certificate issued to United Air Lines, Inc.

600 Jefferson Street Houston, Texas 77002

Part 25 of the Federal Aviation r Regulations See Type Certificate Data Sheet A20WE Original Product Type Certificate Number :

A20WE

Boeing

747SP Series Description of Type Design Change: Revise seating configuration to increase coach seating in accordance with United Air Lines DAS-1-W E Approved Drawing List No. 2736, dated February 20, 1988, or later approved revisions.

Limitations and Conditions: This approval should not be extende d to other specific aircraft of this model on which other previously approved 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 eff ect upon the airworthiness of that aircraft.

This determination should include consideration of significant changes in weight distribution such as an increase in the fixed disposable weight in the fuselage. If the holder agrees to permit another person to use this certificate to alter th e 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 12, 1988

Date of issuance: February 20, 1988

Date reissued: November 30, 2011

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

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