What it approves
Add the following approved fuel: unleaded automotive gasoline 87 minimum antiknock index and leaded automotive gas, 88 minimum antiknock index, (RON+MON)/2.
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 · 3
| Make | Model | Data sheet |
|---|---|---|
| Textron Lycoming AVCO Corporation | Military R-680 Series | 108 |
| Textron Lycoming AVCO Corporation | R-680-4 | 108 |
| Textron Lycoming AVCO Corporation | R-680-B4 Series | 108 |