What it approves
Use of BG RG 27R spark plugs, in addition to other approved spark plugs.
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 |
|---|---|---|
| Wright Aeronautical Division Curtiss-Wright Corporation | Double Row Cyclone Military R-2600 Series | Group 5E-9 |