STC SA5993NM-D

This Certificate issued to United Air Lines, Inc.

600 Jefferson Street Houston, Texas 77002

Part 25 of the Federal Aviation Original Product Type Certificate Number :

A16WE

Boeing

737-222 Series Description of Type Design Change: The Collins ACARS, VHF-3 Transceiver, and Bendix ACARS Printer installation, is in accordan ce with United Air Lines DAS-1-WE Approved Master Drawing List No. 5993 dated August 26, 1994, or later FAA approved revisions.

Limitations and Conditions: This approval does not extend to othe r aircraft of this model on which other previously approved modifications are incorporat ed unless it is determined by the installer 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 th at aircraft. The VHF-3 Transceiver is dedicated to ACARS data communications only and is not cap able of voice communications. If the holder agrees to permit another person to use this certificate to a lter 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 2, 1994

Date of issuance: August 26, 1994

Date reissued: November 30, 2011

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

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