STC SA4-1016

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA1-1016 This certificate issued to: McKenzie Flying Service, InC.

Part 3 / the CIVIl Air Regulations:

Original Product -Type Certificate Number: 1A10 Make: Piper Model: PA-23-160 Desertion of ye Design hange: pense deignes limited to 160h.p. in accordance Installation of Lycoming 0-340-AIA engines anc with McKenzie aircraft Repair Installation Instructions and Parts List dated April 3, 1959, revised December 7, 1959, and McKenzie Aircraft Repair Drawings No. 2-00 and 2-01, or later FAA approved revisions.

timilalunsandbinditions: Approval of this change in type design applies basically to the above model 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 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. A copy of this Certificate and FAA Approved Flight Manual Supplement dated December 30, 1959, must be maintained as part of the permanent records for the moditied aircraft.

Date of Application: December 30, 1959 Sule ressured: March 27, 1968; September 27, 1989 April 8, 1991 Date of Issuance: December 30, 1959 Jaleumended: October 15, 1982 FEDERAL AVIATION By Direction of the Administrator лих уєми Manager, Aircraft Modification Branch TOMINIST RAIDS Seattle Aircraft Certification Office (Title)

47.