STC SE3800NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SE3800NM 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 therefore as specified hereon meet's the airworthiness requisement's of Part 33 of the Federal Aviation Regulations, effective February 1, 1965.

Original Product - Type Certificate Number: . E19EA Make: AVCO Lycoming Model: TIGO-541-E Series Description of Type Design Change: Installation of American Aviation, Inc., intercooler and associated systems in accordance with American Aviation, Inc., Report 89-1 or later FAA approved revision. The engines modified in accordance with this document may only be installed in aircraft modified per STC Number SA3801NM.

Engine operating limits are specified in the FAA approved American Aviation, Inc., Flight Manual Supplement Limitations and Conditions: Approval of this change in type design applies to the above model engines only.

This approval should not be extended to other engines 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 effect upon the airworthiness of that engine. A copy of this Certificate must be maintained as part of the permanent records for the modified engine.

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: December 29, 1986 Date Reissued:

Date of Issuance: March 13, 1987 Date Amended: November 1, 1998 FEDERAL AVIATION rection of u inist anano TOMANS TRATION Acting Manager, Seattle Aircraft (Signature) Certification Office (Title)