The same way anything floats, by displacing an amount of water that weighs as much as it does. Airplanes that are meant to float on water typically either have boat-like hulls or floats whose purpose is to displace enough water to allow the airplane to float.
A parachute would help you float safely to the ground from an airplane.
Because they can float and fly easily.
Everyone pick up their seats to keeps plane float.
Because the speed of the air over the wing generates 'lift' to make it fly.
Because the speed of the air over the wing generates 'lift' to make it fly.
Floating of airplane in the air is called Hovering. This is a technique used by only some kind of aircrafts. This technique uses a small engine under the aircraft which produces lift when needed.
If you are asking whether you can travel by airplane with a plaster cast, the answer is yes. Plenty of people travel with broken limbs. If you're asking if you can fly without an airplane or other machine, the answer is no. Plaster does not make you float.
ground
An airplane begins its "Flare" once it enters "ground effect. Ground effect is what causes the airplane to float because of an increase in lift(what makes an airplane fly). This increase is caused by induced drag, created by the production of lift.
yes, the less heavy air planes float more then fly, the heavier ones fly farther then the less heavy ones.
The airplane in the movie Airplane is a Boeing 707
The only things that "float" in air, are things that are lighter than air, and this is because they displace a quantity of air that weighs more than the thing that is floating. This is also true of things that float in water or any other fluid. As for heavier-than-air things that "float" (fly), these are kept aloft by the motion of air, or by the motion of the thing through the air, which amounts to the same thing. In either case, air is passing the flying thing (for instance, an airplane wing) above and below it, creating low pressure above and high pressure below, thereby lifting the thing off the ground. This works only for things that are aerodynamically correct, and these are called airfoils - an airplane wing, a helicopter rotor and a kite are common examples.