What it approves
Installation of greaseless counterweight bearings. (3D 40-225, -277, -231, -235, -267, -271)
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 |
|---|---|---|
| Hamilton Standard Division | 3D | 249 |