STC SA00046SE

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SAO00A6SE This certificate issued to: American Aviation, Inc.

10555 Airport Drive Coeur d'Alene Airport Hayden Lake, ID 83835 Certifies that the change in the type design for the following product with the limitations and conditions therefor as specified hereon meets the airworthiness requirement's of Part 3 of the Civil Air Regulations.

Original Product -Type Certificate Number: A8EA Make: Piper Model: PA-31T, PA-31T1, PA-31T2, PA-31T3 Description of Type Design Change: Installation of American Aviation, Inc., redesigned engine exhaust stacks in accordance with Top Drawing List 061, dated October 20, 1993, or later FAA approved revision.

Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only.

This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effcct upon the airworthiness of that aircraft. A copy of this Certificate 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.

Date of Application: April 12, 1993 Date Reissued:

Date of Issuance: December 20, 1993 Date Amended: November 1, 1998 FEDERAL AVIATION By direotion the Adminis lor elviano asin (Signature) TO RATIOR Acting Manager, Seattle Aircraft Certification Office (Title)