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The Boeing 747 is a long-range wide-body airliner designed and manufactured by Boeing Commercial Airplanes in the United States between 1968 and 2023. After the introduction of the 707 in October 1958, Pan Am wanted a jet 2 + 1 ⁄ 2 times its size, to reduce its seat cost by 30%. In 1965, Joe Sutter left the 737 development
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.
Boeing stated that the 747-8I was the world's fastest commercial jet. [142] For the 747-8, Boeing proposed some changes to the interior layout of the aircraft. The -8I's upper deck is lengthened compared to the 747-400. [143] [144] Most noticeable are the curved stairway to the upper deck and a more spacious main passenger entrance. [145]
It had a cockpit crew of two instead of the three-crew layout of other 747SPs. Two Boeing VC-25s were built for the US Air Force as Presidential Air Force One transports. This model was a highly modified 747-200B. Four Boeing 747-100SRs were built for Japan Airlines for a domestic flight service.
A shorter derivative of the 747-100, the SP was developed to target two market requirements. [5] The first was a need to compete with the DC-10 and L-1011 while maintaining commonality with the 747, [5] which in its standard form was too large for many routes. Until the arrival of the 767, Boeing lacked a mid-sized wide-body to compete in this ...
Pratt & Whitney faced difficulties with the JT9D design during the Boeing 747 test program. Engine failures during the flight test program resulted in thirty aircraft being parked outside the factory with concrete blocks hanging from the pylons, awaiting redesigned engines. Boeing and Pratt & Whitney worked together in 1969 to solve the problem.
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Boeing 747-200B: 19 1973 1994 Boeing 747-400: Boeing 747-200C/M: 1 1991 1992 None Boeing 747-200F: 3 1992 1995 Boeing 747-400F: Boeing 747-300: 11 1983 2001 Boeing 747-400 Boeing 777-300: Boeing 747-300M: 3 1986 Largest operator of its type along with KLM and Swissair: Boeing 747-400: 43 1989 2012 Airbus A380-800 Boeing 777-300ER: One written ...