# STC SE925GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Shadin Company Inc, United States
- Description: Installation of Shadin Co. fuel flow transducer.
- Applied: April 22, 1985
- Status date: June 8, 2006
- Product: Engine
- Certification basis: Part 13, Part 21
- Data sheets: [TCDS E-274](https://openairdocs.org/tcds/E-274)
- Certificate PDF: https://openairdocs.org/files/sha256/b7/db/b7db2824ce8dad9e6496cc49542258353cdac9117a7f74f2cb1eb43e679c6484
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/44FCB078820095A3862573010050D01F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE925GL

## ADs that name it (0)

None.

## Approved models (6)

- Textron Lycoming AVCO Corporation O-320-A2B ([TCDS E-274](https://openairdocs.org/tcds/E-274))
- Textron Lycoming AVCO Corporation O-320-B2B ([TCDS E-274](https://openairdocs.org/tcds/E-274))
- Textron Lycoming AVCO Corporation O-320-D2A ([TCDS E-274](https://openairdocs.org/tcds/E-274))
- Textron Lycoming AVCO Corporation O-320-D3G ([TCDS E-274](https://openairdocs.org/tcds/E-274))
- Textron Lycoming AVCO Corporation O-320-E2A ([TCDS E-274](https://openairdocs.org/tcds/E-274))
- Textron Lycoming AVCO Corporation O-320-E3D ([TCDS E-274](https://openairdocs.org/tcds/E-274))

## 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.

Part 13 of the Civil Air Regulations.

(See Type Certificate Data Sheet No. E-274 for complete certification basis.)

Installation of a Shadin Company Fuel Flow Transducer in acco rdance with Shadin Company Report Number 4082, dated April 22, 1985, or other FAA approved revision.

1) This approval should not be extended to other engines of this model that incorporate any other previously approved modification, unless it is determined that the interrelationship between this change and any other previously approved modification will introduce no adverse effect on the airworthiness of these engines.

2) 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.

Shadin Avionics 6831 Oxford Street St. Louis Park, MN 55426 E-274 Make : AVCO Lycoming Model : 0-320-A2B, -E2A, -D2A, -B2B, -D3G, -E3D Date of application : April 22, 1985

Date of issuance : September 5, 1985

Date reissued : June 8, 2006

( Signature) Charles L. Smalley Manager, Systems & Flight Test Branch Chicago Aircraft Certification Office

( Title)

## Every issue (1)

- June 8, 2006: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b7/db/b7db2824ce8dad9e6496cc49542258353cdac9117a7f74f2cb1eb43e679c6484)

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