er777This largest twin-engine jet burns 17,300 lb (7.8 tons) of fuel per hour at a speed of 495 knots (916 kmh or Mach 0.839) while cruising at an altitude of 30000 feet (FL300) withGrace the skies on the 777-300ER. The aircraft is desned for a comfortable and reliable journey, no matter how far your travels take you.