The first Boeing 747 flew in February 1969.
It made it's first test flight on Feb. 2, 1969.
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Seattle, Washington, USA
The Maximum Take-Off Weight for a Boeing 747-100 is 333, 390kg; a Boeing 747-200 and 747-300 is 377,842kg; a Boeing 747-400 is 396,890kg; a Boeing 747-400ER is 412,775kg and the Boeing 747-8I is 442,253kg.
747
The Boeing 747 was Introduced on January 22, 1970 with Pan Am and the first flight was on February 9, 1969
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Boeing created the Boeing 747.
Boeing 747's are manufactured by Boeing Commercial Aeroplanes.
The Boeing 747 is manufactured by Boeing Commercial Airplanes.
747 has no particular meaning, it follows in Boeing's naming convention.