# STC SA1087GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Shadin Avionics, United States
- Description: Installation of a Shadin Co. fuel flow indicating system.
- Applied: April 22, 1985
- Status date: June 8, 2006
- Product: Aircraft, Single-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 3A17](https://openairdocs.org/tcds/3A17)
- Certificate PDF: https://openairdocs.org/files/sha256/9a/02/9a02e06c8aad42e62541868b846c91d4b8ee02013bc7f89b7594ed43444a3595
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7BCEE095724197E4862575E5006B3F9C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1087GL

## ADs that name it (0)

None.

## Approved models (2)

- The Cessna Aircraft Company 172RG ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- The Cessna Aircraft Company R172K ([TCDS 3A17](https://openairdocs.org/tcds/3A17))

## 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 3 of the Civil Air Regulations.

(See Type Certificate Data Sheet 3A17 for complete certification basis.)

Installation of a Shadin Company Fuel Flow Indicating System in accordance with Shadin Report 4090 revised March 15, 1988, or other FAA approved revision.

1) This change in type design applies to basic airplanes of these models which are otherwise unmodified. This approval should not be extended to other airplanes of these models 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 airplanes.

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 3A17 Make : Cessna Model : 172RG, R172K Date of application : April 22, 1985

Date of issuance : November 12, 1986

Date reissued : June 8, 2006

Date amended : June 22, 1987, April 11, 1988

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

( Title)

## Every issue (1)

- June 8, 2006: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/9a/02/9a02e06c8aad42e62541868b846c91d4b8ee02013bc7f89b7594ed43444a3595)

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