The Boeing 747, often referred to by the nickname "Jumbo Jet", is among the world's most recognizable aircraft, and was the first wide-body commercial airliner ever produced. Manufactured by Boeing's Commercial Airplane unit in the US, the original version of the 747 was two and a half times the size of the Boeing 707, one of the common large commercial aircraft of the 1960s. First flown commercially in 1970, it held the passenger capacity record for 37 years, until it was surpassed by the Airbus A380. The four-engine 747 uses a double deck configuration for part of its length. It is available in passenger, freighter and other versions. The 747's hump created by the upper deck allows for a front cargo door on freighter versions, and serves as additional seating in most versions. The 747-400, the latest version in service, is among the fastest airliners in service with a high-subsonic cruise speed of Mach 0.85 (567 mph or 913 km/h). It has an intercontinental range of 7,260 nautical miles (8,350 mi or 13,450 km). The 747-400 passenger version can accommodate 416 passengers in a typical three-class layout or 524 passengers in a typical two-class layout. The 747 was expected to become obsolete after 400 were sold because of the development of supersonic airliners, but it exceeded its critics' expectations with production passing the 1,000 mark in 1993. As of June 2008, 1,405 aircraft had been built, with 118 more in various configurations remaining on order. The latest version of the aircraft, the 747-8, is scheduled to enter service in 2009.
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