Supplemental type certificate · Aircraft Technical Service Inc
- Holder
- Aircraft Technical Service Inc · United States
- Status
- Current · Issued
- Status date
- April 21, 1981
- Product
- Aircraft · Small Multi-Engine
- Certification basis
- Part 21
From FAA DRS. DRS record last changed December 6, 2025.
What it approves
Installation of aft fuselage ballast.
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 | 500-A | 6A1 |