STC SA00849SE

Number SA00849SE

This certificate, issued to Micro AeroDynamics, Inc.

4000 Airport Road, Suite D Anacortes, WA 98221

Part 3 of the Civil Air Regulations.

Original ProductType Certificate Number: 2A13 Make: Piper Model: PA-28-140, -150, -160, -180, -235, PA-28S-160, -180, PA-28R-180, -200

Description of the Type Design Change: Installation of vortex generators on the wings and tail surfaces of the above model aircraft in accordance with Drawing Package MA2150, Revision IR, dated August 28, 2000, and Installation Manual MA2151, Revision IR, dated October 2, 2000, or later FAA approved revision of either of these documents.

NOTE: If more than five vortex generators are damaged or missing, the aircraft is not airworthy.

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

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 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. 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.

This certificate and the supporting data which is the ba sis for approval shall remain in effect until surrendered, suspended, revoked, or a termination date is otherwise established by the Administrator of the Federal Aviation Administration.

Date of application: August 25, 2000 Date reissued:

Date of issuance: October 27, 2000 Date amended:

(Signature) Acting Manager, Seattle Aircraft Certification Office (Title)