STC SA2256WE

Part of the Original Product – Type Certificate Number: Make:

By Direction of the Administrator Signature Title The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the prop erty of the STC holder.

FAA Form 8110-2 (7/19) Page 1 of SA2256WE Stene Aviation, Inc.

470 Regatta Road PO Box 700 Polson, MT 59860-0700 * * Textron Aviation, Inc.

* See attached Federal Aviation Administration (FAA) Approved Model List (AML) SA2256WE for approved aircraft models and applicable airworthiness regulations.

Installation of leading edge “cuff” and aileron gap seals on each wing in accordance with Installation Document SASP-Install Revision G, dated 12/5/2013 (or later FAA accepted revision), and Master Drawing List (MDL) SASP-1 Revision B dated May 19, 2020 (or later FAA approved revision). Maintained in accordance with the Instructions for Continued Airworthiness (ICA) as listed on the AML. Operated in accordance with the Airplane Flight Manual Supplement (AFMS) as listed on the AML.

Approval of this change in type design applies to the aircraft listed on AML SA2256WE only. This approval should not be extended to other aircraft of these models on which other previously approved modifications are incorporated unless it is determined by the installer that the relationship between this change and other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this certificate, AML SA2256WE, and the MDL, ICA, and AFMS documents listed in AML SA2256WE, 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.

04/23/1970 March 22, 1972, February 17, 1977, May 6, 2005 March 22, 1972, August 31, 1977, April 29, 1980, January 21, 1987, December 23, 2015, November 2, 2020 10/14/1970 For Manager, Seattle ACO Branch 1

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate FAA Form 8110-2 (7/19) Page 2 of

To (Name and address of transferee) From (Name and address of grantor) Extent of Authority (if licensing agreement):

This certificate may be transferred or made available to third persons by licensing agreements in accordance with 14 CFR 21. 47.

SA2256WE 1

FAA Form 8110-2 (7/19) Page of The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property of the STC h older.

SA2256WE 1