STC SA9174SC-D

Number SA9174SC-D This Certificate issued to L-3 Communications Integrated Systems, L.P.

10001 Jack Finney Blvd.

Greenville, TX 75402 Part 25 of the Federal Aviation Regulations.

Original Product Type Certificate Number: A20WE Make : Boeing Model : 747-E4B Description of Type Design Change: Modification of an existing STU III/R communication system and a provision for installation of the STU III/R Mod 9 in accordance with Raytheon Systems Company Sealed Drawing List, SDL 5478-1, Revision A dated 28 July 1998, or later FAA approved data.

1. Compatibility of this design change with previously approved modifications must be determined by the installer.

2. 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.

3. When installed, airplanes with this STC are limited to operations excluding those of an Air Carrier. Specifically, no operations under 14 CFR 121, 14 CFR 129 or any foreign Air Carrier are permitted.

Date of application: 29 April 1998 Date reissued : July 29, 2002 Date of issuance : 30 July 1998 Date amended : March 22, 2013 – Amdt 1 By direction of the Administrator

(Signature) Michael E. Hopper ODA-750173-SW Administrator, Alternate

(Title)

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