STC SA00105SE

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA00105SE This certificate issued to: Commander Aero, Inc.

Dayton-Wright Brothers Airport 10570 Springboro Pike Miamisburg, Ohio 45342 PartS of the Civil Sir Regulations.

Original Product -Type Certificate Number: 6A1 2A4 Make: Twin Commander Model: 500,520,560 Series 680, 681, 685, and 720 Series Description of Type Design Change: Modify Flap Pulleys in accordance with Commander northwest Limited Document No. GA-94-TC-2, Rev. C, dated May 10, 1999, or later FAA approved revision.

NOTE: Pulleys modified in accordance with this STC may be used for replacement parts when required by AD 98-07-17, as an approved alternate method of compliance. All other portions of the AD still apply.

Limitations and Conditions: Approval of this change in type design applies to the model aircraft listed above only. This approval should not be extended to aircraft of these models on which other previously approved modifications are incorporated, unless it is determined by the installer that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that engine. A copy of this Certificate must be maintained as part of the permanent records for the modified aircraft.

Date of Application: June 11, 1994 Date Reissued: August 9, 1994; June 17, 1999 Date of Issuance: July 19, 1994 Date Amended: October 4, 1994; June 17, 1999 FEDERA AVIATION Bydiredtion laminist (Signature) TOMINIST RATION Acting Manager, Seattle Aircraft Certification Office (Title)