STC ST00040NY

Number ST00040NY This certificate issued to

Part 25 of the Federal Aviation Regulations.

Installation of 1624-gallon, 4-tank auxiliary fuel system in AFT cargo compartment in accordance with PATS, Inc. Master Drawing List No. 300-1-005, Rev. B dated July 7, 1993. Along with ADCN No. 2, dated August 11, 1993, ACDN No. 3, dated August 19, 1993, ACDN No. 4, dated September 22, 1993, ACDN No. 5 and ACDN No. 6, dated September 24, 1993.

1. PATS, Inc. Flight Manual Supplement No. 11, FAA approved September 28, 1993, is required for this installation.

2. Auxiliary fuel tanks are life limited to 13 years time in service.

Number The Leading Edge Group, LLC 5400 Carillon Point Kirkland, WA 98033 A16WE Make : Boeing Model : 737-500 S/N 24970 Date reissued : July 20, 2004, April 27, 2009

( Signature) Anthony Socias Manager New York Aircraft Certification Office

( Title)

Date of application : January 6, 1993

Date of issuance : September 28, 1993

FAA Form 8110-2-1(10-69) Page 2 of 2

ST00040NY Date of reissue: July 20, 2004, April 27, 2009

3. Descriptive data pertaining to this design change are considered inadequate for duplication in other products. This approval is limited to only the installation made in Boeing, 737-500, Serial Number 24970.

4. PATS, Inc. Maintenance Manual Report No. TO-333, Rev. A for B-737 four-tank auxiliary fuel system, dated September 27, 1993, is required with this installation.

5. The installer must determine whether this design change is compatible with previously approved modifications.

6. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

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