# STC SH493GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Shadin Avionics
- Description: Installation of a Shadin Co. Digital fuel flow indicating system, a temperature compensated digital fuel flow system, or a temperature compensated digital fuel quantity and fuel flow system.
- Status date: June 8, 2006
- Data sheets: H3WE, H3WE, H3WE, H3WE, H3WE, H3WE, H3WE
- Certificate PDF: https://openairdocs.org/files/sha256/d9/47/d94760fc9a3129a4176cae4da2d83c572ad4557ace8c747e3ac497a0ce3bb724
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AA1AD2FD8089B310862575EF006534EB.0001
- Page: https://openairdocs.org/stc/SH493GL

## ADs that name it

None.

## Approved models (7)

- MD Helicopter Inc. 369D (TCDS H3WE)
- MD Helicopter Inc. 369E (TCDS H3WE)
- MD Helicopter Inc. 369F (TCDS H3WE)
- MD Helicopter Inc. 369FF (TCDS H3WE)
- MD Helicopter Inc. 369HS (TCDS H3WE)
- MD Helicopter Inc. 500N (TCDS H3WE)
- MD Helicopter Inc. 600N (TCDS H3WE)

## 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 * of the * Regulations.

Installation of a Shadin Digital Fuel Flow Indicating System, Temperature Compensated Digital Fuel Flow System, or Temperature Compensated Digital Fuel Quantity and Fuel Flow System in accordance with Shadin Reports as listed on AML No. SH493GL, or later FAA approved revision.

1) A copy of this certificate and FAA Approved Model List No. SH493GL amended September 4, 1998, or later FAA Approved Revision, must be maintained as part of the permanent records for the modified aircraft.

2) The engine must be modified in accordance with STC SE492GL or STC SE578GL.

3) Compatibility of this design change with previously approved modifications must be determined by the installer.

Shadin Avionics 6831 Oxford Street St. Louis Park, MN 55426

• See attached FAA Approved Model List

• (AML) No. SH493GL for list of approved

• Aircraft models and applicable airworthiness regulations. Make :

Date of application : December 16, 1980

Date of issuance : January 13, 1981

Date reissued : June 8, 2006

Date amended : July 17, 1981, August 25, 1981, February 8, 1983, October 17, 1984, October 7, 1988, March 12, 1992, September 4, 1998

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

FAA FORM 8110-2-1(10-69) PAGE 2 of 2 PAGES

Number SH493GL

Date of issuance : June 8, 2006

4) FAA Approved Rotorcraft Flight Manual Supplement 369-1 dated March 12, 1992, or subsequent FAA approved revision is required for the Temperature Compensated Digital Fuel Quantity and Fuel Flow System.

5) FAA Approved Rotorcraft Flight Manual Supplement 369-2 dated March 12, 1992, or subsequent FAA approved revision is required for the Temperature Compensated Digital Fuel Flow System.

6) 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.

-----END----

## Every issue (1)

- June 8, 2006: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d9/47/d94760fc9a3129a4176cae4da2d83c572ad4557ace8c747e3ac497a0ce3bb724), [SH493GL_AML.pdf](https://openairdocs.org/files/sha256/08/75/08753897dfff6351c564a75dbda92a503a5d425e7152fe798dcb98f3ebe52b27)

---
From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.