The Reims-Cessna 406 Caravan II is an unpressurized small aircraft that flies on two Pratt & Whitney PT-6 turboprop engines designed to transport passengers and/or small cargo. The 406 is available in several configurations including cargo, combination commuter and cargo, commuter and executive versions.
The Cessna 406's two turboprop engines can produce 500shp to +22C. The engines need to be inspected every 3,500 hours of flight. While the operation of this aircraft costs more than a single engine Cessna, it is more reliable for use in flying over rough terrain or water. The Cessna 406 first flew in 1983, and is made by Reims Aviation, a private French aircraft manufacturer that bought back shares from Cessna in 1989. As of 2013, the 406 has a retail price of 2.5 to 4.25 million dollars.