The
Boeing 777 is a family of
long-range wide-body twin-engine jet airliners developed and manufactured by
Boeing Commercial Airplanes. It is the world's largest
twinjet and has a typical seating capacity for 314 to 451 passengers, with a
range of . Commonly referred to as the "Triple Seven", its distinguishing features include the largest-diameter
turbofan engines of any aircraft, six wheels on each main
landing gear, fully circular fuselage cross-section, and a blade-shaped tail cone. Developed in consultation with eight major airlines, the 777 was designed to replace older wide-body airliners and bridge the capacity difference between Boeing's
767 and
747. As Boeing's first
fly-by-wire airliner, it has computer-mediated controls. It is also the first commercial aircraft to be designed entirely with
computer-aided design.