What it approves
Modification of four emergency exit panels.
ADs that name this STC · 1
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 1
| Make | Model | Data sheet |
|---|---|---|
| Bell Helicopter Textron | 212 | H4SW |
Supplemental type certificate · Petroleum Helicopters Inc
- Holder
- Petroleum Helicopters Inc · United States
- Status
- Current · Issued
- Status date
- April 4, 1978
- Product
- Aircraft · Rotorcraft
- Certification basis
- Part 21
- Data sheet
- TCDSH4SW
From FAA DRS. DRS record last changed December 5, 2025.