What it approves
Modification of engine oil dip stick to provide 10.5 quart usable oil capacity in lieu of 9.25 quart capacity.
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 | IO-540-A1A5 | 1E4 |