A BOAC (the company no longer exists) Boeing 747 takes off at Heathrow in 1971. The big plane rolled off in 1968.
The maximum speed of a 747-400 is Mach 0.92 (608mph, 978km/h). A 747-400 is 70.6 metres long, 64.4 metres wide and 19.4 metres highA 747-400 is 70.6 metres long, 64.4 metres wide and 19.4 metres high.
The latest version of the 747 flies non stop Washington-Peking.
In Tokyo, in January 2009, a Boeing 747-300 used a blend of 50% biofuel and 50% traditional Jet-A (kerosene) fuel in a demo flight.
The 747 was the world's heaviest airliner until it was ousted by the Soviet Antonov An-124 in 1982.
With the 747-400ER, Boeing regained the record in 2000. The range of a 747-800, yet to see service, will be 9,200 miles compared with the first 747s' 6,100 miles.
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