Textron Aviation is unveiling an updated version of the venerable Cessna 206 Turbo Stationair this week at EAA AirVenture 2016. The $664,350 Turbo Stationair HD features a gross weight increase of 189 pounds, giving it a maximum useful load of 1,470 pounds in standard configuration with six seats or 1,623 pounds with passenger seats out in utility configuration.

The enhanced version of the company's T206H single-engine piston on display this week at Oshkosh is equipped with a flat-floor cabin, stowable seats, and external cargo pod and is powered by a turbocharged 310-hp Lycoming TIO-540-AJ1A engine mated to a McCauley three-blade, constant-speed, heated propeller. It features the Garmin G1000 avionics suite with integrated synthetic-vision technology, dual 10.4-inch LCD screens and ADS-B OUT capability.