Supplemental type certificate · Executive Aviation
- Holder
- Executive Aviation · United States
- Status
- Current · Issued
- Status date
- January 1, 1960
- Product
- Aircraft · Small Multi-Engine
- Certification basis
- Part 21
From FAA DRS. DRS record last changed December 5, 2025.
What it approves
Nose weather radar and radome.
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 · 1
| Make | Model | Data sheet |
|---|
| Twin Commander Aircraft Corporation | 520 | 6A1 |