The New York Jets are nicknamed the 747s. The 747 is a type of jet.
never
Maximum height is 40,500.
747s and cows
1,500 as of June 28, 2014.
There is a key for the doors onto and through the plane, but all controls are electronics inside the cockpit.
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.
That would be the New York Jets.
Yes. Their first B747 the "red meatball" was purchased from People's Express.
The home airport is Atlanta GA but the 747s are usually employed on their trans-Pacific flights. They are rarely used on trans-Atlantic flights.
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)