STC ST439CH-D

Part 4b of the Civil Air Regulations.

Original Product--Type Certificate Number

Installation of dual AlliedSignal GNS-XLS Flight Management Systems in accordance with Kal-Aero Drawing List KA9606-21R, Revision B, dated June 22, 1998, or later FAA approved revision.

1. FAA approved Airplane Flight Manua l Supplement, KA9606-25R, Revision B, dated June 22, 1998, FAA approved June 24, 1998, or later FAA approved revision is required.

2. FAA approved Airplane Maintenan ce Manual Supplement, KA9606-26R, Revision , dated August 7, 1996, FAA approved August 7, 1996, or later FAA approved revision is required.

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

4. A copy of this Certificate, Maintenan ce Manual Supplement, and Flight Manual Supplement must be maintained as part of the permanent records of the modified aircraft.

5. 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.

Duncan Aviation Inc.

3701 Aviation Rd.

Lincoln, NE 68524 A7EU Make : Dassault Aviation Model : Mystere-Falcon 200 Date of application : July 1, 1996

Date of issuance : August 15, 1996 Date reissued : February 16, 1999, September 24, 2008

Date amended : September 15, 1997

Original signed by Steve Simpson

( Signature) Steven K. Simpson DAS Administrator, DAS-501013-CE Duncan Aviation, Lincoln, Nebraska

( Title)

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

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