Hartzell’s Polaris All-Composite Prop Now Available on Select Diamond DA40s
Hartzell Propeller announced it has received a Supplemental Type Certificate (STC) for its three-blade Polaris composite propeller on the Diamond DA40 NG. The new propeller replaces the aircraft’s stock MT wood/composite propeller. Company president JJ Frigge said Hartzell’s 74-inch-diameter Polaris Top Prop for the Austro Engine E4A-powered DA40 improves climb performance and adds as much […]