# STC SE4494NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Airwolf Filter Corporation, United States
- Description: Installation of oil filter adapter and oil filter.
- Applied: May 16, 1988
- Status date: December 20, 2017
- Product: Engine
- Certification basis: Part 21, Part 33
- Data sheets: [TCDS E-275](https://openairdocs.org/tcds/E-275)
- Certificate PDF: https://openairdocs.org/files/sha256/40/e8/40e8c3ce2cdfcf91b689acf3142be9c0181e79047eeee66a2a726e2442c403ee
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/75DA4B641C9976878625821800569865.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SE4494NM

## ADs that name it (0)

None.

## Approved models (18)

- Textron Lycoming AVCO Corporation GO-480-B ([TCDS E-275](https://openairdocs.org/tcds/E-275))
- Textron Lycoming AVCO Corporation GO-480-B1A6 ([TCDS E-275](https://openairdocs.org/tcds/E-275))
- Textron Lycoming AVCO Corporation GO-480-B1B ([TCDS E-275](https://openairdocs.org/tcds/E-275))
- Textron Lycoming AVCO Corporation GO-480-B1C ([TCDS E-275](https://openairdocs.org/tcds/E-275))
- Textron Lycoming AVCO Corporation GO-480-B1D ([TCDS E-275](https://openairdocs.org/tcds/E-275))
- Textron Lycoming AVCO Corporation GO-480-C1D6 ([TCDS E-275](https://openairdocs.org/tcds/E-275))
- Textron Lycoming AVCO Corporation GO-480-C2C6 ([TCDS E-275](https://openairdocs.org/tcds/E-275))
- Textron Lycoming AVCO Corporation GO-480-C2D6 ([TCDS E-275](https://openairdocs.org/tcds/E-275))
- Textron Lycoming AVCO Corporation GO-480-F1A6 ([TCDS E-275](https://openairdocs.org/tcds/E-275))
- Textron Lycoming AVCO Corporation GO-480-F2A6 ([TCDS E-275](https://openairdocs.org/tcds/E-275))
- Textron Lycoming AVCO Corporation GO-480-F4A6 ([TCDS E-275](https://openairdocs.org/tcds/E-275))
- Textron Lycoming AVCO Corporation GO-480-F6 ([TCDS E-275](https://openairdocs.org/tcds/E-275))
- Textron Lycoming AVCO Corporation GO-480-G1A6 ([TCDS E-275](https://openairdocs.org/tcds/E-275))
- Textron Lycoming AVCO Corporation GO-480-G1D6 ([TCDS E-275](https://openairdocs.org/tcds/E-275))
- Textron Lycoming AVCO Corporation GO-480-G1H6 ([TCDS E-275](https://openairdocs.org/tcds/E-275))
- Textron Lycoming AVCO Corporation GO-480-G1J6 ([TCDS E-275](https://openairdocs.org/tcds/E-275))
- Textron Lycoming AVCO Corporation GO-480-G2D6 ([TCDS E-275](https://openairdocs.org/tcds/E-275))
- Textron Lycoming AVCO Corporation GO-480-G2F6 ([TCDS E-275](https://openairdocs.org/tcds/E-275))

## 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.

13* Civil Air and Part 33 of the Federal Aviation Regulations as applicable. *See Type Certificate Data Sheet No. E-275

Installation of oil filter adapter and oil filter in accordance with FAA sealed Sunrise Filters, Inc. Master Drawing List, Drawing No.

2000, dated September 1, 1984, Revision N/C, or later FAA approved revision to this document.

This approval is limited to engines specifically identified above and does not constitute approval for installation in an aircraft. A separate FAA approval for installation on each aircraft must be obtained. Engines which have previously approved modifications shall not be modified by this STC, unless it is determined that the interrelationship between this change and any previously approved modifications will introduce no adverse effect upon the airworthiness of that engine. A copy of this STC must be included in the permanent records of each engine modified in accordance with this STC. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Airwolf Filter, Corp.

12801 Hwy 75 North Okmulgee, OK 74447 E-275 Lycoming Engines GO-480-B, -B1A6, -B1B, B1C, -B1D, -F6, -F1A6, -F2A6, -F4A6, -C1D6, -G1D6, -G1H6, -G1J6, -G2D6, -G2F6, -C2C6, -C2D6

May 16, 1988

October 13, 1988

April 20, 2017; 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 (2)

- December 20, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/40/e8/40e8c3ce2cdfcf91b689acf3142be9c0181e79047eeee66a2a726e2442c403ee)
- April 20, 2017: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/1b/82/1b8262e5c0a3106a6ccea2c3c58847fbcc124a665bbcc122259cc2fe49052d4a)

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