STC SE2599NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SE2599NM Possession on this Supplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, aircraft engine, or propeller. The STC ’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property of the STC holder. An STC holder who allows a person to alter an aircraft, aircraft engine, or propeller must provide that person with written permission acceptable to the FAA. (Ref. 14 CFR 21.120).

FAA Form 8110-2 (6/20) SUPERSEDES PREVIOUS EDITION Page 1 of 2

This certificate issued to: Western Skyways Aircraft Modifications Inc.

333 West Boulevard, Suite 400, Rapid City, SD 57701

Part 13 of the Civil Air Regulations. Effective June 11, 1976.

Original Product Type Certificate Number: E8CE-19

Make: Continental Aerospace Technologies, INC.

Model: TSIO-520R, TSIO-520H, TSIO-520C Installation of an air-to-air intercooler in the engine air induction system downstream of the turbocharger per engine portion of Riley International Master Drawing List R-15801, Revision “C”, for the TSIO-520R, dated September 25, 1985; Revision “F”, for the TSIO-520H, dated December 13, 1985; Revision “K” for the TSIO-520C, dated August 20 1987, or later FAA approved revision.

Supplemental Type Certificate No. SA2598NM is required as part of this installation.

The approval of this change in type design applies to the basic engine of the specified model that is otherwise unmodified. This approval should not be extended to other engines of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that 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.

The STC ’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property of the STC holder. An STC holder who allows a person to alter an aircraft, aircraft engine, or propeller must provide that person with written permission acceptable to the FAA. (Ref. 14 CFR 21.120).

FAA Form 8110-2 (6/20) SUPERSEDES PREVIOUS EDITION Page 2 of 2