Supplemental type certificate · Duncan Aviation, Inc
- Holder
- Duncan Aviation, Inc · United States
- Status
- Current · Amended
- Status date
- August 2, 1994
- Applied
- April 30, 1993
- Product
- Aircraft · Large Multi-Engine
- Certification basis
- Part 21
From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 5, 2025.
What it approves
Installation of a Sundstrand Mark VII ground proximity warning 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.
This certificate is a scan without a text layerOpen the PDF to read it. 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 · 3
| Make | Model | Data sheet |
|---|
| Gulfstream Aerospace Corporation | G-1159 | A12EA |
| Gulfstream Aerospace Corporation | G-1159A | A12EA |
| Gulfstream Aerospace Corporation | G-1159B | A12EA |