STC SA2747NM-D

This Certificate issued to United Air Lines, Inc.

600 Jefferson Street Houston, Texas 77002 Part 25 of the Federal Aviation Regulations Reference Type Certificate Data Sheet A16WE for Special C ditiOriginal Product Type Certificate Number :

A16WE

Boeing

737-322 Description of Type Design Change: Installation of a passenger air-to-ground telephone system consisting of 2 wireless handsets and handset holders , support equipment on a new shelf in the existing E&E compartment, 2 new L-band blade antennas on th e lower fuselage area, and associated cables and wiring, in accordance with United Air Lines DAS-1-WE Approved Drawing List No. 2747, dated August 13, 1988, or later FAA approved revision.

Limitations and Conditions: This approval does not extend to other aircraft of this model on which other previously approved modifications ar e incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse eff ect 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: May 5, 1988

Date of issuance: August 13, 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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