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Boeing 747

The Boeing 747 is a widebody commercial airliner and cargo transport, often referred to by the nickname Jumbo Jet or Queen of the Skies. It is among the world's most recognizable aircraft, and was the first widebody ever produced. Manufactured by Boeing's Commercial Airplane unit in the United States, 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, the 747 held the passenger capacity record for 37 years.

The four-engine 747 uses a double deck configuration for part of its length. It is available in passenger, freighter and other versions. Boeing designed the 747's hump-like upper deck to serve as a first class lounge or (as is the general rule today) extra seating, and to allow the aircraft to be easily converted to a cargo carrier by removing seats and installing a front cargo door. Boeing did so because the company expected supersonic airliners (whose development was announced in the early 1960s) to render the 747 and other subsonic airliners obsolete; while believing that the demand for subsonic cargo aircraft would be robust into the future. The 747 in particular was expected to become obsolete after 400 were sold but it exceeded its critics' expectations with production passing the 1,000 mark in 1993. As of June 2010, 1,418 aircraft have been built, with 109 more in various configurations remaining on order.

The 747-400, the latest version in service, is among the fastest airliners in service with a high-subsonic cruise speed of Mach 0.85–0.855 (up to 570 mph, 920 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 newest version of the aircraft, the 747-8, is in production and flight testing in late 2010. Deliveries of the 747-8F freighter version are scheduled to begin in mid-2011, with the 747-8I passenger version to follow in late 2011. The 747 is to be replaced by the Boeing Y3 (part of the Boeing Yellowstone Project) in the future.

Plane info

Cruise speed: 955 km/h

Total range: 9 800 km

Engines: 4 x PW JT9D-7A/-7F/-7J RR RB211-524B2

Aircraft dimensions

Wingspan: 59.6 m

Length: 70.6 m

Height: 19.3 m

 

Cabin

Passengers: up to 366

 

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