Supplemental type certificate · Duncan Aviation, Inc
- Holder
- Duncan Aviation, Inc · United States
- Status
- Current · Issued
- Status date
- February 8, 1990
- Applied
- January 23, 1990
- Product
- Aircraft · Small Multi-Engine
- Certification basis
- Part 21
From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.
What it approves
Install a Universal CVR-80 Cockpit Voice Recorder.
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 · 6
| Make | Model | Data sheet |
|---|
| Raytheon Aircraft Company | 65-90 | 3A20 |
| Raytheon Aircraft Company | 65-A90 | 3A20 |
| Raytheon Aircraft Company | B90 | 3A20 |
| Raytheon Aircraft Company | C90 | 3A20 |
| Raytheon Aircraft Company | C90A | 3A20 |
| Raytheon Aircraft Company | E90 | 3A20 |