Blackhawk received FAA STC approval for its XP42A upgrade package for the Cessna Caravan 208A. The package includes a new 850-shp Pratt & Whitney Canada PT6A-42A engine; wide-chord, 100-inch-diameter Hartzell four-blade propeller; composite cowling and high-efficiency inlet duct; a larger oil cooler; Blackhawk DigiLog engine gauges; and a new exhaust stack. Deliveries will begin this month, Blackhawk said. The upgrade has been available for 208B Caravans, with more than two dozen installations performed to date.