The empty weight of a 747 airplane is 403,500 pounds, according to HowStuffWorks. Its maximum weight when full is 875,000 pounds. Initially, the overall size and weight of the Boeing 747 caused undo concern as to whether it would be hard for pilots to handle.
The Boeing 747 is 231 feet, 10 inches long and has a wingspan of 211 feet, 4 inches. Its height is 63 feet, 8 inches. The jet has a top speed of 628 miles per hour, can reach an altitude of 45,000 feet and can fly as far as 8,380 miles. It requires a crew of two pilots and 20 or more flight attendants and accommodates 568 passengers.