From FAA DRS. DRS record last changed December 5, 2025.
What it approves
Installation of a Hartzell HC-C3YF-1RF/F9587C-15R or HC-C3YF-1RF/ F9587C-17S propeller, Hartzell C-3535-1() spinner, governor, and associated system on a Continental IO-520-D engine. (A185F LANDPLANE AND FLOATPLANE)
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.