STC SE4159NM

Number SE4159NM This certificate, issued to: American Aviation, Inc.

10555 Airport Drive Coeur d'Alene Airport Hayden Lake, ID 83835 Part 13 of the Civil Air Regulations.

Original ProductType Certificate Number: E8CE Make: Teledyne Continental Model: TSIO-520-J, -JB, -N, NB TSIO-520-N, -NB, when modified per STC SE3714SW TSIO-620-NB, when modified per STC SE4327SW, Revision 1, Revision 2, Revision 3, or Revision 4

Description of the Type Design Change : Installation of American Aviation Inc., intercooler and associated systems in accordance with American Aviation Inc. Top Drawing List TDL 063, dated July 8, 2002, or TDL 063-2, dated July 28, 2002, or later FAA approved revision. The engines modified in accordance with this document may only be installed in aircraft modified per STC Number SA4158NM, or SA4956NM. Engine operating limits are specified in the American Aviation Inc. FAA approved Airplane Flight Manual Supplement which is required by STC SA4158NM and SA4956NM.

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 aircraft. A copy of this Certificate and FAA approved AFMS 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: August 7, 1987 Date reissued:

Date of issuance: January 15, 1988 Date amended: 8/16/88; 7/31/90; 11/1/98; 5/1/03

(Signature)

Acting Manager, Seattle Aircraft Certification Office (Title)