# STC SR00408NY

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Airwolf Filter Corporation, United States
- Description: Installation of Airwolf remote mounted engine oil filter model AFC-600.
- Applied: December 11, 1995
- Status date: December 20, 2017
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 2H1](https://openairdocs.org/tcds/2H1), [TCDS 2H3](https://openairdocs.org/tcds/2H3), [TCDS H-1](https://openairdocs.org/tcds/H-1)
- Certificate PDF: https://openairdocs.org/files/sha256/72/fd/72fd40623184b64b377167ab4da6a35c6e9364acf5c6ce911d16b87f5e2a47b2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/22AE0063E6299926862582180057630F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR00408NY

## ADs that name it (0)

None.

## Approved models (23)

- Bell Helicopter Textron 47 ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Bell Helicopter Textron 47 Series ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47B ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Bell Helicopter Textron 47B3 ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Bell Helicopter Textron 47D (USAF H-13B) ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Bell Helicopter Textron 47D1 Series ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Bell Helicopter Textron 47E (Navy HTL-3) ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Bell Helicopter Textron 47G-2A ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-2A-1 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-3 (OH-13H) ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-3B ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-3B-1 (TH-13T) ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-3B-2 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-3B-2A ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-4 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-4A ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-5 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-5A ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47H-1 ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Bell Helicopter Textron 47J ([TCDS 2H1](https://openairdocs.org/tcds/2H1))
- Bell Helicopter Textron 47J-2 ([TCDS 2H1](https://openairdocs.org/tcds/2H1))
- Bell Helicopter Textron 47J-2A ([TCDS 2H1](https://openairdocs.org/tcds/2H1))
- Bell Helicopter Textron 47K ([TCDS 2H1](https://openairdocs.org/tcds/2H1))

## 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.

6 Civil Air

Installation of Airwolf remote mounted engine oil filter Model AFC-600, in accordance with Airwolf Oil Filter Kit AFC K009 dated November 1, 1995 and Installation Instructions AFC K009II-A, dated November 1, 1995.

1. This installation applies to Bell 47 Series helicopters equipped with a Lycoming or Franklin reciprocating engine as specified under the helicopter type certificates listed in the attached FAA Approved Model List.

2. Airwolf Maintenance Instructions AFC-K009-MI dated November 1, 1995 is required with this installation.

3. This approval should not be extended to helicopters of these models on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those previously incorporated approved modifications will not introduce any adverse effect upon the airworthiness of the helicopter. A copy of this Certificate must be maintained as part of the permanent records for the modified helicopter.

Airwolf Filter, Corp.

12801 Hwy 75 North Okmulgee, OK 74447 * See attached FAA Approved Model List Bell Helicopter Textron * See attached FAA Approved Model List December 11, 1995

March 22, 1996

December 20, 2017

(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/sha256/72/fd/72fd40623184b64b377167ab4da6a35c6e9364acf5c6ce911d16b87f5e2a47b2)

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