STC SA3863NM

Number SA3863NM

This certificate, issued to: American Aviation, Inc.

10555 Airport Drive Coeur d'Alene Airport Hayden Lake, 10 83835

Part 23 of the Federal Aviation Regulations.

Original ProductType Certificate Number: A6CE (Cessna Models) A23EU (Riems Aviation Models) Make: Cessna (T337B, T337C, T337D, T337E, T337F, T337G T337H and P337H) Riems Aviation (FT337E, FT337F, FT337GP and FT337HP) Model: See above

Description of the Type Design Change: Installation of American Aviation, Inc., intercooled engines as modified by Supplemental Type Certificate (STC) SE3864NM in accordance with American Aviation, Inc., Report No. 81-1 or later FAA approved revision.

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

The approval should not be extended to other aircraft of this model 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 Airplane Flight Manual Supplement, dated August 2,1996, or later FAA approved revision 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: December 30, 1986 Date reissued:

Date of issuance: July 8,1987 Date amended: 04/94; 08/02/96; 11/01/98

(Signature) Acting Manager, Seattle Aircraft Certification Office (Title)