What it approves
Increased takeoff and landing density altitude limit.
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
Supplemental type certificate · North American Heli Svc Inc
- Holder
- North American Heli Svc Inc · United States
- Status
- Current · Issued
- Status date
- January 15, 1986
- Product
- Aircraft · Rotorcraft
- Certification basis
- Part 21
- Data sheet
- TCDS1H11
From FAA DRS. DRS record last changed December 6, 2025.