It will be the largest twinjet in the world in terms of length, maximum takeoff weight, and passenger capacity. The -8X will be approximately the same size as the -300 while the -9X will have similar range to the -300ER but with a longer fuselage, increasing passenger capacity. The classic 777 family will be replaced by a new set of aircraft, tentatively known as the 777-8X and 777-9X.

Direct market competitors to the 777 are the Airbus A330-300, A340, and A350 XWB. Īs of August 2008, 56 customers have placed orders for 1,092 777s.

Distinguishing features of the 777 include the six wheels on each main landing gear, its circular fuselage cross section, the largest diameter turbofan engines of any aircraft, the pronounced 'neck' aft of the flight deck, and the blade-like end to the tail cone. Passengers in a three-class configuration and has a range from 5,235 to 9,450 nautical miles (9,695 to 17,500 km). The world's largest twinjet and commonly referred to as the 'Triple Seven', it can carry between 283 and 368 The Boeing 777 is a long-range, wide-body twin-engine airliner built by Boeing Commercial Airplanes.

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