OSHKOSH, Wis., July 22, 2024 – Wipaire has received STC approval from the Federal Aviation Administration for Hartzell Propeller's Yukon four-blade props with improved low-speed thrust, providing better takeoff and climb performance in Cessna Caravans.   The announcement was made today at EAA AirVenture Oshkosh, which runs from July 22 to July 28. Wipaire’s modified Cessna Caravan with Hartzell’s 4-blade Yukon prop will be on static display at the Wipaire’s […]