What it approves
Add the folliwng approved fuel: unleaded automotive gas, 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 · 1
| Make | Model | Data sheet |
|---|---|---|
| Textron Lycoming AVCO Corporation | R-680-D6 | 173 |