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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%.
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]
The flight line area, including paint hangars, next to the main assembly building in 2011. The Boeing 747 is a large-size, wide-body, four-engine, jet airliner. The 747-8I, the last passenger variant in production, is capable of carrying 467 passengers in a typical three-class configuration, has a range of 8,000 nmi (9,200 mi; 15,000 km) and a ...
"Boeing is building a brand new 747 Air Force One for future presidents, but costs are out of control, more than $4 billion. ... The budgeted costs for the replacement program are $2.87 billion ...
The world's largest cave is so big that a Boeing 747 could fly through its largest cavern unscathed. ... The high costs have keep the site ... Eli Lilly to build 4 more manufacturing sites in US.
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The VC-25As are to be replaced as the cost of maintaining the aging systems on their 30-year-old airframes and less efficient GE-CF6 engines has begun to surpass the cost of acquiring a new aircraft. [62] On 28 January 2015, the Air Force announced that the Boeing 747-8 would be the next presidential aircraft.
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.