Supplemental type certificate · Keystone Helicopter Corp
- Holder
- Keystone Helicopter Corp · United States
- Status
- Current · Issued
- Status date
- March 25, 1993
- Product
- Aircraft · Rotorcraft
- Certification basis
- Part 21
From FAA DRS. DRS record last changed December 6, 2025.
What it approves
Addition of global positioning system sensor, Model GPS 950, to existing multi-sensor Universal Navigation system UNS-1A long range navigation system.
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 · 2
| Make | Model | Data sheet |
|---|
| Sikorsky Aircraft Corporation | S-76B | H1NE |
| Sikorsky Aircraft Corporation | S-76C | H1NE |