STC SA2110CE-D

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA211 CE-D This certificate issued to: Duncan Aviation, Inc.

3701 Aviation Rd Lincoln, NE 68524 Purt 25 of the Federal Aviation Porgulations as shown on Type Certificate Data Sheet and Section 25.901(d) as amended by Amendment 25-46.

Original Product --Type Certificate Number: A9NM Moatio: Cessna Mocdchi 650 Description of Type Design Change: Installation of Garrett Model GTCP36-150(W) Auxiliary Power Unit operating as a nonessential electrical and bleed air source for on board electrical and environmental systems. Data Required: (1) Serial Number 650- 0001 through 650-0104; Duncan Drawing List No. 650-1 dated May 5, 1985, or later "FAA Approved" Revision. Serial number 650-0105 and subsequent; Duncan Drawing List No. 650-1 revised August 21, 1987, or later "FAA Approved" revision. (2) Airplane Flight Manual Supplement dated May 21, 1985, or later "FAA Approved" revision.

Livitalions and bendilions: This approval should not be extended to other specific airplanes of this model on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of these other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane.

п/інаса: Мау 21,1985 Date Amended: September 13, 1985 September 2, 1987 FEDERAL AVIATION - it cho 2 of tie Advinistrate (Signature) P. Mike Chick Jr.

TOMNISTRATO DAS Administrator, DAS-501013-CE Duncan Aviation, Lincoln, Nebraska (Title)

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