STC SE3318SO

FAA FORM 8110-2(10-68) PAGE 1 of 1 PAGES Number SE3318SO This certificate issued to Jet Avion Corporation 3000 Taft Street Hollywood, FL 33021

Part 33 of the Federal Aviation Regulations.

Original Product--Type Certificate Number : E2EA Make : Pratt and Whitney Model : JT8D-1 thru JT8D-17AR ; JT8D -209,-217,-217A,-217C,-219

Incorporate an alternate gear box cover seal utilizing an aluminum retainer and elastomeric seal in accordance with PTM International drawing PT010031, revision C, dated September 8, 1992, or later FAA approved drawing.

Limitations and Conditions: This approval should not be extended to other engines of this model on which other previously approved modifications are incorporated, unless it is determine by the installer that the interrelationship between this change and any other previously approved modifications will produce no adverse effect upon the airworthiness of that engine. 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 : February 26, 1992

Date of issuance : September 14, 1992 Date reissued : November 16, 1998; September 08, 2006

Date amended : June 14, 1993

( Signature) Melvin D. Taylor Manager Atlanta Aircraft Certification Office

(Title)