STC SA02241AK

Installation of a Maule Fuel Selector Valve and Associated Fuel System Upgrade in accordance with the Descriptive Data listed in Trimmer Aviation, LLC, Master Data List, MDL-001, dated March 22, 2005, or later FAA approved revision.

1) Except for models PA-22-160 and PA-22S-160, the use of constant speed propellers prohibited.

2) Propeller pitch range for PA-22 airplanes equipped with O-360 Series engines shall be 54” – 68”.

3) Compatibility of this design change with previously approved modifications must be determined by the installer.

4) 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.

5) For Instruction for Continued Airworthiness, refer to Trimmer Aviation, LLC, Document Number ICA-001, Rev A, dated May 8, 2018, or later FAA accepted revision.

6) This modification has been found to be compatible with STC SA181RM.

July 6, 2018

(Signature) August A. Asay Manager, Anchorage ACO Branch

(Title)

April 20, 2004 May 6, 2005 *Refer to FAA Approved Model List (AML), Number SA02241AK, dated July 6, 2018, or later FAA approved revision, for airplane makes and models, corresponding Type Certificate numbers, and applicable airworthiness regulations.

Marvin E. Trimmer Trimmer Aviation, LLC P. O. Box 361 Willow, AK 99688

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