What it approves
Wright R1820-52 engines and Hamilton Standard 33D50/6511-9 propellers.
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 |
|---|---|---|
| Douglas Aircraft Co. Inc. | DC-2 (Army C-32) | ATC 540 |