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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 21⁄2 times its size, to reduce its seat cost by 30%. In 1965, Joe Sutter left the 737 development program to design the 747.
The Boeing 747-8 is the final series of the large, long-range wide-body airliners in the Boeing 747 family from Boeing Commercial Airplanes. The 747-8 is the largest variant of the 747 and Boeing 's largest aircraft. After introducing the 747-400, Boeing considered larger 747 versions as alternatives to the proposed double-deck Airbus A3XX ...
Development. The Pratt & Whitney JT9D high-bypass turbofan engine was developed for the Boeing 747. The JT9D program was launched in September 1965 and the first engine was tested in December 1966. It received its FAA certification in May 1969 and entered service in January 1970 on the Boeing 747.
British Airways Flight 268 was a regularly scheduled flight from Los Angeles to London Heathrow. On February 20, 2005, the innermost left engine burst into flames triggered by an engine compressor stall almost immediately after takeoff. The Boeing 747-400 continued to fly across the United States, Canada, and the Atlantic Ocean with its three ...
The first flight with one of these engines took place on 22 February 2007, using a Boeing 747-100, fitted with one GEnx engine in the number 2 (inboard left hand side) position. By fall 2019, General Electric was offering the GEnx-2B, developed for the 747-8, for the revised 767-XF variant based on the 767-400ER, but needed enough volume to ...
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.
General Electric GE90. The General Electric GE90 is a family of high-bypass turbofan aircraft engines built by GE Aerospace for the Boeing 777, with thrust ratings from 81,000 to 115,000 pounds-force (360 to 510 kilonewtons). It entered service with British Airways in November 1995. It is one of three options for the 777-200, -200ER, and -300 ...
Rejected takeoff. In aviation, a rejected takeoff (RTO) or aborted takeoff is the situation in which the pilot decides to abort the takeoff of an airplane after initiating the takeoff roll but before the airplane leaves the ground. Reasons to perform a rejected takeoff vary but are usually related to a suspected or actual problem with the ...