During the first flight of the Boeing 777 Freighter on July 14, 2008, 777 Chief Pilot Suzanna Darcy-Hennemann and 777 Deputy Chief Pilot Van Chaney took the airplane to an altitude of 18,000 feet (5,486 meters) and an air speed of 270 knots, or about 311 miles (500 kilometers) per hour, customary on a first flight. Typically, the 777s cruise altitude is 35,000 (10,668 meters), and its cruise speed is Mach 0.84, about 484 miles (779 kilometers) per hour.