# STC SH1052NE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Airwolf Filter Corporation, United States
- Description: Installation of Airwolf Model AFC-500 full flow engine oil filter P/N AFC-500.
- Applied: December 5, 1992
- Status date: December 20, 2017
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H10WE](https://openairdocs.org/tcds/H10WE)
- Certificate PDF: https://openairdocs.org/files/sha256/28/69/28692aac604aff1922dea6d3b953ab0c2018cdabe133d82764209ad75645190e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/49D0EB1F0557D10D86258218005762E1.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH1052NE

## ADs that name it (0)

None.

## Approved models (1)

- Robinson Helicopter Company R22 ([TCDS H10WE](https://openairdocs.org/tcds/H10WE))

## 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.

27 Federal Air

Installation of Airwolf Model AFC-500 or AFC-600 full flow engine oil filter and, Kit No. AFC-K003 in accordance with Installation Drawing List Report AFC-R001 dated October 27, 1992 and Installation Instruction AFC -K003-II dated October 5, 1992.

1. Installation is limited to R-22 Helicopters with Lycoming Engine Models O-320 and O-360 series.

2. This approval should not be extended to aircraft of this model on which other previously approved modifications are incor porated unless it is determined that the relationship between this change and any of the 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 must be maintained as part of the permanent records for the modified aircraft.

Airwolf Filter, Corp.

12801 Hwy 75 North Okmulgee, OK 74447 H10WE Robinson R-22 December 5, 1992

February 12, 1993

December 20, 2017

July 26, 1996

(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/sha256/28/69/28692aac604aff1922dea6d3b953ab0c2018cdabe133d82764209ad75645190e)

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