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A Boeing 787 Dreamliner of United Airlines landing at Beijing Capital International Airport on 28 December 2018.. 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]
It entered service with Pan Am on January 22, 1970. The 747 was the first airplane called a "Jumbo Jet" as the first wide-body airliner. The 747 is a four-engined jet aircraft, initially powered by Pratt & Whitney JT9D turbofan engines, then General Electric CF6 and Rolls-Royce RB211 engines for the original variants.
This is a list of large aircraft, including three types: fixed wing, rotary wing, and airships. The US Federal Aviation Administration defines a large aircraft as any aircraft with a certificated maximum takeoff weight (MTOW) of more than 12,500 lb (5,700 kg) [ 1 ]
The Boeing 747-400 is a large, long-range wide-body airliner produced by Boeing Commercial Airplanes, an advanced variant of the initial Boeing 747.The "Advanced Series 300" was announced at the September 1984 Farnborough Airshow, targeting a 10% cost reduction with more efficient engines and 1,000 nautical miles [nmi] (1,900 km; 1,200 mi) of additional range.
The Pratt & Whitney JT9D engine was the first high bypass ratio jet engine to power a wide-body airliner. [2] Its initial application was the Boeing 747-100 , the original "Jumbo Jet". It was Pratt & Whitney 's first high-bypass-ratio turbofan.
In June 2011, it was reported that Comac was studying the 290-seat C929 and 390-seat C939 wide-body aircraft. [2] In June 2012, Russia and China entered talks to set up a joint venture between UAC and Comac to develop a successor to the Il-96.
Compared to the 747-8I, the upcoming 777-9X "mini-jumbo jet" is projected to have a lower fuel cost per seat mile and greater cargo capacity, though it has a lower passenger capacity and higher list price; consequently, the 777-9X has totaled more orders than the 747-8I due to airlines placing a high value on fuel efficiency. [98] [99]
The MD-12X had a length of 237 ft 11 in (72.5 m) and a wingspan of 212 ft 6 in (64.8 m). In November 1991, McDonnell Douglas and Taiwan Aerospace Corporation signed a Memorandum of Understanding to form a company to produce the new design.