# STC SE611GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Shadin Avionics, United States
- Description: Incorporation of a fuel flow transducer.
- Applied: November 20, 1981
- Status date: June 8, 2006
- Product: Engine
- Certification basis: Part 13, Part 21
- Data sheets: [TCDS 1E4](https://openairdocs.org/tcds/1E4)
- Certificate PDF: https://openairdocs.org/files/sha256/52/40/5240426f2ac5463d83cf596045e921f5f7e596f2ab8af2a9b7e20c0246153348
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F37166B9C1BC4418862575EF00546FF3.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE611GL

## ADs that name it (0)

None.

## Approved models (14)

- Textron Lycoming AVCO Corporation IO-540-C1B5 ([TCDS 1E4](https://openairdocs.org/tcds/1E4))
- Textron Lycoming AVCO Corporation IO-540-C4B5 ([TCDS 1E4](https://openairdocs.org/tcds/1E4))
- Textron Lycoming AVCO Corporation IO-540-C4D5D ([TCDS 1E4](https://openairdocs.org/tcds/1E4))
- Textron Lycoming AVCO Corporation IO-540-D4A5 ([TCDS 1E4](https://openairdocs.org/tcds/1E4))
- Textron Lycoming AVCO Corporation IO-540-G1B5 ([TCDS 1E4](https://openairdocs.org/tcds/1E4))
- Textron Lycoming AVCO Corporation IO-540-G1C5 ([TCDS 1E4](https://openairdocs.org/tcds/1E4))
- Textron Lycoming AVCO Corporation IO-540-G1D5 ([TCDS 1E4](https://openairdocs.org/tcds/1E4))
- Textron Lycoming AVCO Corporation IO-540-J4A5 ([TCDS 1E4](https://openairdocs.org/tcds/1E4))
- Textron Lycoming AVCO Corporation IO-540-K1A5 ([TCDS 1E4](https://openairdocs.org/tcds/1E4))
- Textron Lycoming AVCO Corporation IO-540-K1A5D ([TCDS 1E4](https://openairdocs.org/tcds/1E4))
- Textron Lycoming AVCO Corporation IO-540-K1G5 ([TCDS 1E4](https://openairdocs.org/tcds/1E4))
- Textron Lycoming AVCO Corporation IO-540-K1G5D ([TCDS 1E4](https://openairdocs.org/tcds/1E4))
- Textron Lycoming AVCO Corporation IO-540-N1A5 ([TCDS 1E4](https://openairdocs.org/tcds/1E4))
- Textron Lycoming AVCO Corporation IO-540-R1A5 ([TCDS 1E4](https://openairdocs.org/tcds/1E4))

## 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 1E4 for complete certification basis.)

Incorporation of a Fuel Flow Transducer in accordance with Shadin Company Report Number 4046, revised September 10, 1990, or other FAA Approved revision.

1) This approval should not be extended to other engines of these models on which other previously approved modifications are incorporated, unless it is determined by the installer that the interrelationship between this change and any other previously approved modifications 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 1E4 Make : Lycoming Engines Model : IO-540-J4A5, -C4B5, -C4D5D, -C1B5, -G1B5, -G1C5, -G1D5, -K1A5, -K1A5D, -K1G5, -K1G5D, -D4A5, -N1A5, -R1A5,

- T4B5D Date of application : November 20, 1981 Date of issuance : June 4, 1982

Date reissued : June 8, 2006

Date amended : September 24, 1984, October 17, 1984, June 20, 1985, July 8, 1986, December 18, 1990

( 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/sha256/52/40/5240426f2ac5463d83cf596045e921f5f7e596f2ab8af2a9b7e20c0246153348)

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