Supplemental type certificate · Helicopters, Inc
- Holder
- Helicopters, Inc · United States
- Status
- Current · Issued
- Status date
- February 20, 1981
- Product
- Aircraft · Rotorcraft
- Certification basis
- Part 21
From FAA DRS. DRS record last changed December 6, 2025.
What it approves
Installation of modified tail rotor gearbox using original installation hardware and components.
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 · 4
| Make | Model | Data sheet |
|---|
| Bell Helicopter Textron | 47J | 2H1 |
| Bell Helicopter Textron | 47J-2 | 2H1 |
| Bell Helicopter Textron | 47J-2A | 2H1 |
| Bell Helicopter Textron | 47K | 2H1 |