STC SA01669CH

Part * of the * Regulations.

Original Product--Type Certificate Number: *See attached FAA Approved Model List (AML) Make: *No. SA01669CH for list of a pproved airplane models and Model: *applicable airworthiness regulations Description of Type Design Change:

Installation of Challenger re-useable air filter in accordance with Challenger Installation Instructions #0402 revision N, dated July 11, 2008, or later FAA approved revision.

1. Compatibility of this design change with previous modifications must be determined by the installer.

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

3. Installer must follow Challenger Air Filter Cleaning Instructions (Instructions for Continued Airworthiness) document #4003, revision D, dated August 31, 2005 or later FAA approved revision.

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.

Challenger Aviation Products, Inc.

4433 Old Springfield Road Vandalia, OH 45377

Date reissued : May 18, 2004

Date amended : March 10, 2004, May 3, 2004, May 27, 2004, December 10, 2004, October 27, 2008, January 27, 2009, April 21, 2009, July 28, 2010, November 5, 2010, August 18, 2011 By direction of the Administrator

Original Signed By:

Timothy Smyth

( Signature) Timothy Smyth Manager, Propulsion Branch Chicago Aircraft Certification Office Date of application : November 9, 2001

Date of issuance : July 3, 2002

FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES

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