STC ST00353SE

Number ST00353SE

This certificate, issued to LiteAir Aviation Products, Inc.

7001 Palm Lane Anacortes, WA 98221

Part 25 of the Federal Aviation Regulations.

Original Product⎯Type Certificate Number: A20WE Make: Boeing Model: 747-100 Series; 747-200B Series; 747-200C Series;

747-300 Series; 747-400 Series; 747-400D Series;

747-SR Series; 747-SP Series; 747-100B SUD Series;

747-8 Series

Description of the Type Design Change: Fabrication of lightweight window plugs in accordance with LiteAir Aviation Products, Inc. Master Drawing List LAP1001-D01, Revision S, dated September 4, 2012, or later Federal Aviation Administration (FAA) approved revision; and installation in accordance with LiteAir Aviation Products, Inc.

Installation Manual LAP2001, Revision P, dated September 4, 2012, or later FAA-approved revision.

Limitations and Conditions: The approval of this change in type design applies to the above model airplanes only. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of the aircraft. A copy of this certificate and LiteAir Aviation Products, Inc.

Installation Manual LAP2001, must be maintained as part of the permanent records for the modified 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.

Date of application: September 22, 1995 Date reissued:

Date of issuance: July 9, 1996 Date amended: 2/22/02; 2/18/04; 8/12/05: 5/21/10;

6/7/12; 11/27/12

(Signature)

Acting Manager, Seattle Aircraft Certification Office (Title)