STC SA566AL

This certificate issued to Aircraft Innovations, LLC PO Box 110164 Anchorage, AK 99511

Part 3 of the Civil Air Regulations.

Original Product — Type Certificate Number: 780 Make: Piper Model: PA-12 and PA-12S

Description of Type Design Change: Installation of certain Avco Lycoming O-320 series engine models on Piper Model PA-12 and PA-12S airplanes when installed in accordance with a FAA sealed copy of Day & Night, Inc. drawing 6-0 dated January 15, 1975, and a FAA approved copy of “Instructions for Installing Lycoming O-320 series 150 hp Engines on Piper Model PA-12 and PA-14 Airplanes” dated September 17, 1975, or later FAA approved revisions.

1. The approval of this change in type design applies to the basic Piper Model PA-12 and PA-12S airplanes only.

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

This determination should include consideration of significant changes in weight distribution, such as an increase in the fixed disposable weight in the fuselage.

2. The Day & Night, Inc. swing or fixed engine mounts used to support the Avco Lycoming O-320 series engine models must be manufactured in accordance with a FAA sealed copy of Day & Night, Inc. drawing 6-1, 6-2, or 6-3, dated January 6, 1975, January 6, 1975, and March 15, 1976 respectively, or later FAA approved revisions.

Date of application: July 15, 1975 Date reissued : April 19, 1979; September 11, 2009

( Signature) David D. Swartz Acting Manager, Anchorage Aircraft Certification Office

( Title)

FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES September 11, 2009 Date of issuance: September 17, 1975 Date amended : November 25, 1975; February 17, 1976;

May 28, 1976; September 11, 2009

Number SA566AL (Continued from page 1)

3. FAA approved Airplane Flight Manual Supplements, dated February 17, 1976, or later FAA approved revisions, are required for PA-12 and PA-12S airplanes.

4. Only Avco Lycoming O-320 and O-320-A2B engine models are eligible for installation in accordance with this STC.

5. The Day & Night, Inc. 6-0 engine installation is approved for installation on only those Piper Model PA-12 and PA-12S normal category airplanes equipped with a McCauley 1A175-GM8244 propeller.

6. To insure adequate propeller clearance, aircraft modified by this installation must be equipped as follows:

a. PA-12 landplanes must be equipped with either an FAA approved installation of 25x11-4 or larger main landing gear tires (with a minimum tire inflation pressure of 8 psi) or STC No. SA550AL with

8.50-6 tires.

b. PA-12S seaplanes must be equipped with EDO model 89-2000 floats.

7. 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.