STC SA3-450

AVLATION United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA3-450 This certificate issued to: Sabreliner Aviation, LLC.

1390 Highway H Perryville, MO 63775 Part _ 4a _of the Civil Air Regulations Original Product - Type Certificate Number: Make: Douglas A-619 & A-669 Model: DC-3 All Models Description of Type Design Change:

Passenger Seat and Track Installation - Aerosmith Seat Model X-107. Data Required: Remmert-Werner Drawing No's.

SK-10276, SK-10189 (Ref.), and DC3-04000A (Ref.), or later FAA approved revision.

Floor structure to be modified as shown in Reference Drawings (Refer to STC SA3-240). This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft.

Date of Application: November 16, 1959 Date Reissued: October 1, 1970; March 25, 1981; June 30, 1983;

March 7, 2014 Date of Issuance: November 16, 1959 Date Amended:

By Direction of the Administrator Signature _ Shatt san Title Grant E. Youngdahl Program Manager Wichita Aircraft Certification Office

FAA Form 8110-2 (5/14) Page 1 of 1