STC SA02365CH

This certificate issued to National Aircraft Service, Inc. (NASI) 9133 Tecumseh-Clinton Rd.

Tecumseh, MI 49286

Part * of the * Regulations

* *See attached FAA Approved Model List (AML) No. SA02365CH for list of approved airplane and engine models and applicable airworthiness regulations.

Installation of NASI Supplemental Air-Conditioning System, in accordance with NASI Installation Instructions as listed on AML No. SA02365CH, or later FAA approved revision.

1. Compatibility of the design change with previously approved modifications must be determined by the installer.

2. A copy of this Certificate and FAA Approved Model List (AML) No. SA02365CH, Revision None, dated December 20, 2006, or later FAA approved revision, must be maintained as part of the permanent records for the modified aircraft.

3. 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.

4. Airplane Flight Manual Supplement NTEC-AFMS-23, Revision NC, dated February 23, 2006, or later FAA approved revision, is required on board the modified aircraft.

Date of application : August 27, 2004

Date of issuance : December 20, 2006 Date amended :

( Signature) Charles L. Smalley Manager, Systems & Flight Test Branch Chicago Aircraft Certification Office

( Title)