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Wide-body aircraft
Airliner with two aisles / From Wikipedia, the free encyclopedia
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A wide-body aircraft, also known as a twin-aisle aircraft and in the largest cases as a jumbo jet, is an airliner with a fuselage wide enough to accommodate two passenger aisles with seven or more seats abreast.[1] The typical fuselage diameter is 5 to 6 m (16 to 20 ft).[2] In the typical wide-body economy cabin, passengers are seated seven to ten abreast,[3] allowing a total capacity of 200 to 850[4] passengers. Seven-abreast aircraft typically seat 160 to 260 passengers, eight-abreast 250 to 380, nine- and ten-abreast 350 to 480.[5] The largest wide-body aircraft are over 6 m (20 ft) wide, and can accommodate up to eleven passengers abreast in high-density configurations.
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By comparison, a typical narrow-body aircraft has a diameter of 3 to 4 m (10 to 13 ft), with a single aisle,[1][6] and seats between two and six people abreast.[7]
Wide-body aircraft were originally designed for a combination of efficiency and passenger comfort and to increase the amount of cargo space.[8] However, airlines quickly gave in to economic factors, and reduced the extra passenger space in order to insert more seats and increase revenue and profits.[citation needed] Wide-body aircraft are also used by commercial cargo airlines,[9] along with other specialized uses.
By the end of 2017, nearly 8,800 wide-body airplanes had been delivered since 1969, with production peaking at 412 per year in 2015.[10]