# STC SA4319NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Aviation Products Development Co., United States
- Description: Installation of an oil filter, filter base and mounting plate on the firewalls of those airplanes listed on AML No SA4319NM that are equipped with an FAA approved Continental model GO-300 engine installation which has been modified by the installation of an external mounted full flow oil adapter and spin-on oil filter
- Applied: March 31, 1988
- Status date: June 20, 1989
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A17](https://openairdocs.org/tcds/3A17)
- Certificate PDF: https://openairdocs.org/files/sha256/e9/e3/e9e3d7b5ffe93c95e81f7f2b9a1947c1a99df3cc46657c9746c8d98e2b1b37ab
- Approved model list and other attachments: [AML SA4319NM.pdf](https://openairdocs.org/files/sha256/2b/11/2b11a2eee8c808776dba8e90526f5ba8531c61d23d4ce2557ff11143aaf0b70e)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/77630E3DD1492A1985256CC2000E3B8D.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4319NM

## ADs that name it (0)

None.

## Approved models (5)

- The Cessna Aircraft Company 175 ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- The Cessna Aircraft Company 175A ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- The Cessna Aircraft Company 175B ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- The Cessna Aircraft Company 175C ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- The Cessna Aircraft Company P172D ([TCDS 3A17](https://openairdocs.org/tcds/3A17))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

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.

### AML SA4319NM.pdf

This is OCR from the scanned FAA attachment. OCR can misread letters and numbers.

AML AMENDMENT DATE * Refer to Note "B" of Installation Instructions No. OF-23-G0-300, dated May 4, 1989 (or later FAA approved revision), for oil hose line and fitting specifications. Those airplanes or powerplant installations approved under a certification basis dated on or after August 12, 1957 (Amendment 3-2 of CAR 3, dated 5/15/56), must be equipped with fire resistant oil hoses June 20, 1989 ENGINE MODELS GO-300A, C GO-300C, D GO-300E Acting Assistant Manager, Seattle Aircraft Certification Office Issue Date:

FAA APPROVED MODEL LIST (AML) NO. SA4319NH AVIATION PRODUCTS DEVELOPHENT CO. *OIL HOSES ELIGIBILITY 303 AE701 FAA Approved: Date: June 20, 1989 FOR CERTIFICATION BASIS FOR ALTERATION CAR 3, Dated 5/15/56 CAR 3, Dated 5/15/56 CAR 3, Dated 5/15/56 Page 1 of 1 ORIGINAL TYPE CERTIFICATE NUMBER 3417 3A17 3A17 AIRCRAFT MODEL 175A, 175B 175C, P172D 175 AIRCRAFT MAKE CESSNA and fittings.

**ITEM**

## Every issue (1)

- June 20, 1989: Issued, Current. [certificate](https://openairdocs.org/files/sha256/e9/e3/e9e3d7b5ffe93c95e81f7f2b9a1947c1a99df3cc46657c9746c8d98e2b1b37ab), [AML SA4319NM.pdf](https://openairdocs.org/files/sha256/2b/11/2b11a2eee8c808776dba8e90526f5ba8531c61d23d4ce2557ff11143aaf0b70e)

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