STC SA03328CH

This certificate issued to

Part * of the * Regulations. (See Type Certificate Data Sheet No. A- 780 & A-797 for complete certification basis.)

Installation of Lycoming Engines O-320 or O-360 engine into the FS 2003 Corp. Piper PA-12 and PA-12S and FS 2002 Corp. PA-14 airplane. In addition, optional installation of MT-Propeller Entwicklung GmbH MTV-9-B/200-52, MTV-15-C/200-50, MTV-15- B/203-52, MTV-15-B/210-58, MTV-20-C/200-50, MTV-20-B/203-52, MTV-20-B/210-58, MTV-15-B-C-R-M/CR210-58, MTV-15- B-C-R-M/CR203-52, MTV-15-C-C-R-M/CR200-50 or Hartzell Propeller Inc. HC-C2YR-1N/NG8301-1 propeller onto the FS 2003 Corp. PA-12 and PA-12S and FS 2002 Corp. PA-14 airplanes.

1) The installer must determine whether this design change is compatible with previously approved modifications.

2) This STC is valid only on the aircraft models listed above with Lycoming O-235 series engines installed. The Lycoming O-320 or O-360 engine are to be installed per Svenn’s Aviation Installation Instructions SA 2100, Revision 3, dated July 17, 2020 or latest FAA approved revision.

3) The aircraft is to be maintained in accordance with Svenn’s Aviation Instructions for Continued Airworthiness SA-2101, Revision 3, dated July 17, 2020 or latest FAA approved revision

Svenn's Aviation LLC.

N6710 370th St.

Menomonie, WI 54751 * See attached FAA Approved Model List (AML) No. SA03328CH for list of approved airplane models and applicable airworthiness regulations.

Make: * Model:* Date of application: January 12, 2012

Date of issuance: January 07, 2015

Date amended: August 25, 2017; July 22, 2020

(Signature) Roy E. Boffo Manager, Propulsion and Project Management Section Chicago ACO Branch

(Title)

Number SA03328CH Date of issuance: January 07, 2015 Date amended: August 25, 2017; July 22, 2020

4. The aircraft is to be operated in accordance with the applicable Svenn's Aviation Airplane Flight Manual Supplements (AFMS), as listed on AML SA03328CH.

5. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

6. This STC only allows the MT-Propeller MTV-15-C/200-50, MTV-20-C/200-50, and MTV-15-C-C-R-M/CR200-50 propeller models to be installed on the Lycoming 320 engine and the MT-Propeller MTV-9-B/200-52, MTV-15- B/203-52, MTV-15-B/210-58, MTV-20-B/203-52, MTV-20-B/210-58, MTV-15-B-C-R-M/CR210-58, MTV-15-B-C- R-M/CR203-52, and Hartzell HC-C2YR-1N/NG8301-1 propeller models to be installed on Lycoming 360 engine.

-----END----