STC SA04053CH

Part * of the *Regulations

Installation of Hartzell “Trailblazer” Composite Propeller in accordance with Wipaire, Inc. Installation Drawing as listed on AML No. SA04053CH, issued November 23, 2016, or later FAA approved revisions.

1. The installer must determine whether this design change is compatible with previously approved modifications. 2. A copy of this Certificate and FAA Approved Model List (AML) No. SA04053CH, issued November 23, 2016, or later FAA approved revision, must be maintained as part of the permanent records for the modified aircraft. 3. The appropriate FAA Approved Airplane Flight Manual Supplement as listed on AML No. SA04053CH, issued November 23, 2016, or later FAA approved revisions, is required with this installation. 4. If the holder agrees to permit another person to use this certificate to alter the product, the holder must give the other person written evidence of that permission.

Wipaire Inc.

1700 Henry Avenue - Fleming Field South St. Paul, MN 55075 * (see attached FAA Approved Model Make :* List (AML) No. SA04053CH for list of Model :* Approved models and applicable airworthiness regulations) Date of application : September 15, 2015

Date of issuance : December 23, 2015

Date amended : November 23, 2016

(Signature) Karol Mordasiewicz Manager, Airframe & Administrative Branch Chicago Aircraft Certification Office

(Title)

Original signed by:

Gregory J. Michalik