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In 2000, Boeing offered the 747X and 747X Stretch derivatives as alternatives to the Airbus A3XX. This was a more modest proposal than the previous −500X and −600X. The 747X would increase the 747's wingspan to 229 ft (69.8 m) by adding a segment at the root. [2] The 747X was to carry 430 passengers up to 8,700 nmi (16,100 km; 10,000 mi).
Boeing announced the larger 747-500X and -600X preliminary designs in 1996. [79] The new variants would have cost more than US$5 billion to develop, [79] and interest was not sufficient to launch the program. [80] In 2000, Boeing offered the more modest 747X and 747X stretch derivatives as alternatives to the Airbus A38X. However, the 747X ...
Boeing 747X: 1996: 465.53 tons 747-400 stretch, Airbus A3XX competitor Boeing Pelican: 2002: 2657.36 tons Ground effect and medium altitude transport Airbus A380-900: 2006: 580.68 tons Airbus A380-800 stretch, postponed in May 2010 [6] TsAGI HCA-LB: current: 984.21 tons Ground effect aircraft powered by LNG: WindRunner: current
The Airbus A380 is larger than any Boeing commercial airliner, including the then-flagship Boeing 747-400. The Boeing NLA, or New Large Airplane, was a 1990s concept for an all-new quadjet airliner in the 500+ seat market. [1] With a proposed size somewhat larger than the 747, it was a similar concept to the McDonnell Douglas MD-12 and later ...
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Flag of the ICAO. An aircraft type designator is a two-, three- or four-character alphanumeric code designating every aircraft type (and some sub-types) that may appear in flight planning.
In July, Rolls-Royce was to supply its Trent 600 for the 767-400ERX and Boeing 747X, while the European Union was limiting the Engine Alliance offer on quadjets. [46] The 68,000–72,000 lbf (300–320 kN) Trent 600 was scaled from the Trent 500 with a swept fan diameter raised to 2.59 m (102 in) for a higher bypass ratio and lower fuel burn.
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.