To see the 4000 in action we planned a flight from Beech Field in Wichita to Aspen and back. We had two passengers and 7,000 pounds of fuel to bring takeoff weight up to 30,950 pounds, well below the maximum of 39,500 pounds. Available payload with full tanks is 1,600 pounds, so all eight standard seats can be filled. However, the 7,000 pounds of fuel was plenty for a high-speed flight halfway across the country to Los Angeles from Wichita so it was actually a pretty typical fuel load. The fuel planning rule of thumb for the 4000 is to burn about 2,600 pounds in the first hour, 2,000 in the second and about 1,800 pounds an hour after that for an endurance of over seven hours at Mach .82 cruise with full tanks. The temperature in Wichita at 25° C made the required takeoff runway just 3,355 feet.