STC SA39CH

Installation of an Amphibian Landing Gear Position Advisory System/Laser Gear Advisory System in accordance with Wipaire, Inc.

Master Drawing List W-MD151, Revision B, dated July 29, 2015 and the drawings listed on AML No. SA39CH or later FAA approved revisions.

1) Compatibility of this design change with previously approved modifications must be determined by the installer.

2) A copy of this certificate and FAA Approved Model List (AML) No. SA39CH issued April 21, 1993, or later FAA approved revision, must be maintained as part of the permanent records for the modified aircraft.

3) FAA Approved Airplane Flight Manual Supplement as listed on FAA AML No. SA39CH, or later FAA approved revision, is required on board the modified aircraft.

4) 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.

Wipaire, Inc.

1700 Henry Ave – Fleming Field South St. Paul, MN 55075 * See attached FAA Approved Model List (AML) No. SA39CH for list of approved airplane models and applicable airworthiness regulations.

March 02, 1993

April 21, 1993

March 14, 2011

January 31, 1994; January 17, 1996;

July 02, 1997; November 27, 2012;

October 1, 2015.

(Signature) Steven L. Lardinois Manager, Systems & Flight Test Branch, Chicago Aircraft Certification Office

(Title)