What it approves
Installation of a Pratt and Whitney model R-985-AN1 engine, a Hamilton Std model 2D30 propeller and other minor changes.
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 |
|---|---|---|
| Stearman Aircraft Company | 4D | ATC 305 |