STC SA4319NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA4319NM This certificate issued to: Aviation Products Development Co.

Purt. * of the * Regulations.

Original Product -Type Certificate Number: * *See Attached Approved Model List (AML) Маке: No. SA4319NM for list of approved airplane models and applicable Model: * airworthiness regulations.

late on the firewalls of those airplanes listed on AML No. SA4319NM that are equippe Desorption fLypeDesign lahange: Installation of an oil filter, filter base and mounting with an FAA approved Continental model G0-300 engine installation which has been modified by the installation of an external mounted full flow oil adapter and spin-on oil filter in accordance with STC No. SE4316NM and Timberman Installation Instructions No. OF-23-GO-300, dated May 4, 1989, or later FAA approved revision.

Limitatinsand Gmdilions: Approval of this change in type design applies to the aircraft models listed on AML No. SA4319NM only. This approval should not be extended to aircraft of these models 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. A copy of this Certificate and AML No. SA4319NM, dated June 20, 1989, or later FAA approved revision must be maintained as part of the permanent records for the modified aircraft.

( Signalure ) TO MINISTRATION Acting Assistant Manager, Seattle Aircraft Certification Office (Title)

47.