The Boeing 777, commonly referred to as the Triple Seven, is an American long-range wide-body airliner developed and manufactured by Boeing Commercial Airplanes. The 777 is the world's largest twinjet and the most-built wide-body airliner. The United Boeing 777-200 is a long-range wide-body twin-engine jetliner with a cruise speed of 550mph and a wingspan of 199 feet and 11 inches. The aircraft is primarily used on US transcontinental and Hawaii flights. Largest twin engine passenger aircraft in the world. The 777-300 has a maximum range of 6005 nm with a MTOW of 299370 kg. The 777-300ER is capable of flying 7880 nm with MTOW of 351,534 kg and has a wider wingspan. The B773 is member of the B777 family of aircraft.