STC ST602CH-D

Part 25 of the Federal Aviation Regulations.

Installation of dual Universal Navigation Corporation UNS-1D Flight management Systems, with software version (SCN) 603.x for enroute and terminal operation, GPS non-precision approach, and GPS Primary use oceanic/remote operation in accordance with Kal-Aero Master Drawing List KA9705-27R, revision C, dated March 25, 1999, or later FAA approved revision.

1. FAA approved Airplane Flight Manua l Supplement, KA9705-31R, Revision B, dated March 31, 1999, FAA approved May 20, 1999, or later FAA approved revision is required.

2. FAA approved Maintenance Manua l Supplement, KA9705-32R, Revision , dated May 15, 1996, FAA approved June 20, 1997, 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, Maintena nce 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 A46EU Make : Dassault-Aviation Model : Mystere-Falcon 50 Date of application : May 15, 1997

Date of issuance : June 24, 1997 Date reissued : February 3, 1999, July 23, 1999 September 22, 2008 Date amended : May 20, 1999

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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