STC SA4302WE

United States of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate Number SA4302WE

This certificate, issued to Stene Aviation, Inc.

470 Regatta Road P. O. Box 700 Polson, MT 59860-0700

Part 3* of the Civil Air Regulations.

*See Type Certificate Data Sheet No. 3A19 for complete basis.

Original ProductType Certificate Number: 3A19 Make: Textron Aviation Inc.

Model: 150, 150A, 150B, 150C, 150D, 150E, 150F, 150G, 150H, 150J, 150K, 150L, 150M, A150M, 152, A152

Description of the Type Design Change: Installation of leading edge “CUFF” on each wing in accordance with Stene Aviation Master Drawing List Number SASP-1, Revision A, dated November 20, 2015, or later Federal Aviation Administration (FAA) approved revision.

Limitations and Conditions: The approval of this change in type design applies to the basic aircraft of the specified model that is otherwise unmodified. 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 interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that 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: July 25, 1980 Date reissued: May 6, 2005 Date of issuance: March 6, 1981 Date amended: December 23, 2015; April 11, 2016

(Signature)

Manager, Seattle Aircraft Certification Office (Title)