# STC SE551GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Shadin Avionics, United States
- Description: Incorporation of a fuel flow transducer.
- Applied: July 14, 1981
- Status date: June 8, 2006
- Product: Engine
- Certification basis: Part 13, Part 21
- Data sheets: [TCDS E-273](https://openairdocs.org/tcds/E-273)
- Certificate PDF: https://openairdocs.org/files/sha256/44/e0/44e08d914d11fece281c68df6521f34171f8ae04e0c039f9e9d7ff6a872379af
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C9B650C68B9A64C0862575EF00538C02.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE551GL

## ADs that name it (0)

None.

## Approved models (1)

- Teledyne Continental Motors IO-470-C ([TCDS E-273](https://openairdocs.org/tcds/E-273))

## 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.

Number SE551GL This certificate issued to

Part 13 of the Civil Air Regulations.

(See Type Certificate Data Sheet E-273 for complete certification basis.)

Incorporation of a Fuel Flow Transducer in accordance with Shadin Company Report Number 4029, dated July 14, 1981.

1) Compatibility of this modification with other previously approved modifications must be determined by the installer.

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-273 Make : Teledyne Continental Motors Model : IO-470-C Date of application : July 14, 1981

Date of issuance : August 25, 1981

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/sha256/44/e0/44e08d914d11fece281c68df6521f34171f8ae04e0c039f9e9d7ff6a872379af)

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