Boeing 747: Why the jumbo jet was designed with a hump
On February 9, 2019, it will be 50 years since the first Boeing 747 took to the skies. Since its first passenger flight, in 1970, it has become the most successful commercial jet aircraft built. More than 1500 747s have rolled out of Boeing's Everett production facility, they've carried more than 3.5 billion passengers and flown the equivalent of 70,000-plus trips to the moon and back.
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