"Keith Willshaw" wrote in message
...

Slowly in a water tank surrounded by cameramen


Sure, you can do anything in a movie. The "Airport" series got weirder with
each film. I have a 1977-78 edition of Janes ATWA, it gives the volume of
the passenger deck of a basic Model 747 as 27,860 cubic feet. A cubic foot
of water weighs over 62 pounds, so the dry passenger deck is displacing over
1.7 million pounds, which is more than twice the maximum takeoff weight.