STC SA4317NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA43171M This certificate issued to: Allen E. Timberman Purt * of the * Regulations:

Original Product -TypebertificateNumber: *See Attached Approved Model List (AML) No.

Make: SA4317NM for list of approved airplane models Mertel: and applicable airworthiness regulations.

installation of an oil tilter, filter base, and equipped with an FAA approved Continental Model 0-470 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. SE3296NM and Timberman Installation Instructions No. AT-2-I0-470-II, revised March 30, 1988, or later FAA Approved revision.

to other streat of than morels on which previously aproved modifications see This approval should not be extended 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. SA4317NM, dated September 16, 1988, or later FAA Approved revision must be maintained as part of the permanent records for the modified aircraft.

So SORtIBUtION Shppt BAGElad which is the las is fir approval shull remain in e feel until sur rendered; suspended, revoked; or a lermination dale is sherwise established by the Sidminis bruter of the Federal Aviation Administration .

Date of Application: March 31, 1988 Jute missed: July 30, 1993 Date of Issuance: September 16, 1988 Salemmended: July 30, 1993 FEDERAL AVIATIO n if the Idm inistrater HO X Manager, Special Certification Branch TOMINISTRATO Seattle Aircraft Certification Office (Title)

47.

FAA FORM 8110-2 (10-6B)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SE4317NM Limitations and Conditions: (continued):

Supplemental Type Certificate HOLDER: Allen E. Timberman Limitations and Conditions: of shown on Type Certificate data Sheet No. 3E1 for Continental Models IO-470-C, D, E, F, G, H, J, K, L, M, N, P, R, S, U, and V engines remain applicable.

The installation of an engine modified in accordance with this STC will require a determination by the installer that no interference is created with existing aircraft system.

Engines equipped with the limberman spin-on oil filter must continue to be maintained in accordance with the original engine manufacturer's maintenance instructions, except as indicated on an FAA sealed copy of Timberman Maintenance Instructions No. 1-2-10-470-MI, dated May 5, 1986, or later FAA approved revision, a copy of which must be added to the engine maintenance records.

A copy of this STC must be included in the permanent records of each engine which is modified in accordance with this STC.

This STC covers the fabrication of all parts associated with this oil filter installation and also the physical modification of the engine models listed on this Certificate. . Associated STC No. SA4321NM covers the use of these modified specific airplane models, and also covers the mounting of the oil filter, filter base, and mounting plate on the firewalls of these airplanes.

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FAA FORM 8110-2-1 (10-69) PAGE 3 OF 3 PAGES