STC SA00459SE

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA00459SE This certificate issued to: Micro AeroDynamics, Inc.

4000 Airport Rd. Suite D Anacortes, WA 98221 98221 Certifies that the change in the type design for the following product with the limitations and conditions therefor as specified hereon meets the airworthiness requirement's of Part 23 of the Federal Aviation Regulations.

Original Product -Type Certificate Number: A12CE Make: Beech Model: 60, A60, and B60 Description of Type Design Change: Installation of vortex generators on the wing and tail surfaces, and installation of nacelle strakes in accordance with Micro AeroDynamics Drawing Package MA2091, Revision A.

dated July 3, 1997, and Installation Manual MA2092, Revision IR, dated July 9, 1997, or later FAA approved revision.

Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only.

This approval should not be extended to aircraft on which other previously approved modifications are incorporated unless it is determined 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 aircraft. Additionally, if more than five (5) vortex generators are damaged or missing, the aircraft is not to be considered airworthy. A copy of this Certificate must be maintained as part of the permanent records for the modified aircraft.

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.

Date of Application: June 5, 1997 Date Reissued:

Date of Issuance: July 30, 1997 Date Amended:

FEDERAL AVIATION Py divotion of the Stadminis sator (Signature) TOMINIST RATION Acting Manager, Seattle Aircraft Certification Office (Title)