# STC SA00013NY

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Airwolf Filter Corporation, United States
- Description: Installation of AFC-500 full flow engine oil filter P/N AFC-500.
- Applied: March 30, 1993
- Status date: December 20, 2017
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A22NM](https://openairdocs.org/tcds/A22NM)
- Certificate PDF: https://openairdocs.org/files/sha256/30/7c/307cb57a1225c6c7f2b95f67fcc9e7e4c95b9f0683f729c07caa2c76308d087a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2C3B5D0547A2FB40862582180054628F.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA00013NY

## ADs that name it (0)

None.

## Approved models (1)

- Sky International Inc. A-1 ([TCDS A22NM](https://openairdocs.org/tcds/A22NM))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

23 Federal Aviation

Installation of Airwolf Filter Model AFC-500 Full Flow Engine Oil Filter P/N AFC-500 in accordance with Airwolf Installation Drawing List AFC-A001 dated March 30, 1993 and Installation Instructions No. AFC -K005-II dated March 30, 1993.

1. Installation is limited to AVIAT A-1 airplane with Lycoming engine model O-360-C1G and O-360-A1P.

2. Fire wall must be minimum 0.021 inch ASTM A527 galvanized steel or equivalent.

3. Airwolf Maintenance Instructions AFC-K005-MI dated March 30, 1993 is required with this installation.

4. This approval should not be extended to aircraft of this model 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 the type design, will introduce no adverse effect upon the airworthiness of the aircraft. A copy of this Certificate must be maintained as part of the permanent records for the modified aircraft.

Airwolf Filter, Corp.

12801 Hwy 75 North Okmulgee, OK 74447 A22NM AVIAT A-1 March 30, 1993

June 16, 1993

December 20, 2017

December 1, 1995

(Signature) Roy E. Boffo Manager, Propulsion and Project Management Section Chicago ACO Branch

(Title)

Original signed by:

Roy E. Boffo

## Every issue (1)

- December 20, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/30/7c/307cb57a1225c6c7f2b95f67fcc9e7e4c95b9f0683f729c07caa2c76308d087a)

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