STC SA03093CH

Part 23 of the Federal Aviation Regulations.

Original Product--Type Certificate Number: A19SO Make: Piper Aircraft, Inc Model: PA-44-180

Installation of an electric Air Conditioning system, Kelly Aerospace kit #KATS-11-002 or KATS-13-002. Installation Instructions as listed on NC-10-086, revision G, dated August 8, 2013 and Drawing List NC-10-085, revision K, dated August 20, 2013, or later FAA approved revision.

1. This STC requires concurrent installation of STC SA03092CH, an independent 28 VDC Auxiliary Bus only when kit # KATS-11-002 is installed. Concurrent installation of STC SA03092CH is not required when kit # KATS-13- 002 is installed on the subject aircraft.

2. FAA approved Airplane Flight Manual Supplement, Doc. No. NC-13-029, Rev. A, approved October 23, 2013, or later FAA approved revision, is required to be on board the modified aircraft when kit # KATS-13-002 is installed.

3. FAA approved Airplane Flight Manual Supplement, Doc. No. NC-10-088, Rev. 1, approved May 3, 2013, or later FAA approved revision, is required to be on board the modified aircraft when kit # KATS-11-002 is installed.

4. The installer must determine whether this design change is compatible with previously approved modifications.

5. A copy of this Certificate must be maintained as part of the permanent records for the modified aircraft.

6. If the holder agrees to permit another person to use this certificate to alter the product, the holder must give the other person written evidence of that permission.

Kelly Aerospace Thermal Systems, LLC 1625 Lost Nation Rd Willoughby, OH 44094 Date of application : August 8, 2011

Date of issuance : May 3, 2012 Date reissued :

Date amended : October 30, 2013

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

(Title)