1,500 as of June 28, 2014.
The New York Jets are nicknamed the 747s. The 747 is a type of jet.
Maximum height is 40,500.
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747s and cows
The ISS will have an internal pressurized volume of 46,000 cubic feet, or about 1.5 Boeing 747s. (from a Boeing website of ISS funfacts)
There is a key for the doors onto and through the plane, but all controls are electronics inside the cockpit.
Bombardier makes a 50-passenger jet. Some Boeing 747s carry more than 500. The Airbus A380 will carry more than that.
It depends which air line you fly with. I think that Virgin use 747s from Manchester.
The Boeing 747 can fly in the troposphere and lower stratosphere layers of Earth's atmosphere.
There are far too many to list here - However to guide you , The FAA/EASA Minimum runway length requirements for MLW landings (maximum landing weight) are 7,500ft (~2,300m) for the 747-8F, and 6,750ft (~2,000m) for the 747-8i.
That would be the New York Jets.
Yes. Their first B747 the "red meatball" was purchased from People's Express.