STC SA10980SC

Part 23 of the Federal Aviation Regulations.

Description of Type Design Change: Installation of cowl louvers and louver covers Cirrus SR22 aircraft in accordance with Engine Technologies, Inc. Report 22-3160001, Rev. A, dated April 20, 2010 or later FAA approved revision. FAA Approved Airplane Flight Manual Supplement, Report 22-3160002, dated July 8, 2010 or later FAA approved revision is required.

Limitations and Conditions: 1. Approval of this change in type design applies to the above model aircraft only.

This approval should not be extended to aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship 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. The installer must determine whether this design change is compatible with previously approved modifications. 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. 2. A copy of this certificate must be maintained as part of the permanent records of the modified aircraft.

Engine Technologies, Inc.

400 Airport Road, Hangar A Ada, OK 74820 A00009CH Make : Cirrus Design Corporation Model : SR22 Date of application : November 17, 2009

Date of issuance : August 24, 2010

( Signature) S. Frances Cox Manager, Special Certification Office Southwest Region

( Title)

FAA Form 8110-2-1(10-69) Page 2 of 3

FAA Form 8110-2-1(10-69) Page 3 of 3