What it approves
Installation of Sensenich propellers, W 90HASP86, or W 90HASP87, or W 90HASP88, or W 90HASP89, on the Kinner R55 or R56 engines.
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 |
|---|---|---|
| Ryan Aeronautical Company | ST-3KR (Army PT-22) | A-749 |