What it approves
Replacement of Honeywell attitude heading reference system (AHRS) with Honeywell lasertrak inertial reference system (IRS).
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.
United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate Number SA3750NM
This Certificate issued to
Part *25 of the Federal Aviation Regulations. *(For certification basis see Type Certificate Data Sheet A12EA.)
Description of Type Design Change: Installation of Honeywell (third) Inertial Reference Unit (IRU), Honeywell Lasertrak Navigation Display Unit and optional Skylight Course Deviation Indicator (CDI) in accordance with FAA approved Western Commander, Inc. Top Drawing No. 08000003 Revision N/C dated August 17, 1987, or later FAA approved revision. One of two Western Commander, Inc. Airplane Flight Manual Supplements (AFMS), is required as part of this installation. AFMS Document No. 08015001, FAA approved on November 6, 1987, or later FAA approved revision; or, if optional Skylight CDI installed, AFMS Document No. 08015003, FAA approved on September 1, 1988, or later FAA approved Revision.
Limitations and Conditions: The approval of change in type design applies to the above listed model airplanes only.
This approval should not be extended to incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of the aircraft. 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.
Date of application : August 21, 1987
Date of issuance : November 12, 1987
Standard Aero 1200 North Airport Drive Springfield, IL 62707 A12EA
Gulfstream
G-IV Original Product Type Certificate Number :
Date reissued : December 20, 1994, July 30, 2003, March 14, 2012
Date amended September 7, 1988
( Signature) Haifa Haj-Eid Supervisor, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office
( Title)
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 1
| Make | Model | Data sheet |
|---|---|---|
| Gulfstream Aerospace Corporation | G-IV | A12EA |
Every issue · 2
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| March 14, 2012 | Reissued, current | Certificate |
| July 30, 2003 | Reissued, earlier issue | Certificate |