What it approves
Installation of a National Flight Services TSE331-10UA-511SW turbine conversion.
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 |
|---|---|---|
| Sikorsky Aircraft Corporation | S-55 | 1H4 |