STC SA1265NE

Number SA1265NE This certificate issued to

Part 25 of the Federal Aviation Regulations.

Installation of 2800 gallon auxiliary fuel tanks in front and rear belly cargo compartments in accordance with the data listed in PATS, Inc. Master Drawing List Dwg. No. 937-001 Rev. N dated November 18, 1981.

1. “PATS, Inc. Supplement No. 1 to the Boeing 737-269 Auxiliary Fuel Tank Installation Aircraft S/N 21206” Revision No.

1, FAA approved November 24, 1981, is required with this installation.

2. Forward and rear lower cargo bays: With the auxiliary fuel tanks installed these compartments no longer comply with FAR

25.857(d). No cargo may be carried in those compartments until approved installation complying with Class “D” cargo compartment requirements have been installed.

(See STC Continuation Sheet Page 2)

Number The Leading Edge Group, LLC 5400 Carillon Point Kirkland, WA 98033 A16WE Make : Boeing Model : 737-269

Date of application : August 26, 1980

Date of issuance : November 24, 1981

Date reissued : May 14, 2004, April 27, 2009

( Signature) Anthony Socias Manager New York Aircraft Certification Office

( Title)

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

SA1265EA Date of Reissuance: May 14, 2004, April 27, 2009

Limitations and Conditions: (Cont’d)

3. PATS, Inc. “TO-23 Maintenance Manual Aux Fuel Tank System 937-001”, dated November 24, 1981, is required with this installation.

4. 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 737-269, S/N 21206.

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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