Blackhawkis now offering for the Cessna Caravan a re-engining program that increases horsepower and useful load. The Blackhawk mod uses the 850-shp Pratt & Whitney Canada PT6A-42A and costs $570,000, assuming engine core trade-in. The conversion also includes a new composite cowling, twin Frakes exhaust stacks, a new 100-inch Hartzell four-blade propeller and enrollment in the Camp Systems aircraft maintenance tracking system.