STC SH493GL

Supplemental type certificate · Shadin Avionics

Holder
Shadin Avionics · United States
Status
Current · Reissued
Status date
June 8, 2006
Applied
December 16, 1980
Product
Aircraft · Rotorcraft
Data sheet
TCDSH3WE

From FAA DRS, with our copy of the certificate PDF. DRS record last changed February 5, 2026.

What it approves

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.

What the certificate says

From the PDF’s text layer, without the form’s printed wording. Layout and order may 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.

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ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 7

MakeModelData sheet
MD Helicopter Inc.369DH3WE
MD Helicopter Inc.369EH3WE
MD Helicopter Inc.369FH3WE
MD Helicopter Inc.369FFH3WE
MD Helicopter Inc.369HSH3WE
MD Helicopter Inc.500NH3WE
MD Helicopter Inc.600NH3WE

Every issue · 1

DRS keeps each issue of an STC as its own record, with its own certificate and attachments.

DateStatusFiles
June 8, 2006Reissued, currentCertificateApproved model list