Plane crashes are caused primarily by pilot error (46%), with mechanical failure coming in second (28%). Autopilot can cause accidents, but it is not common.
the reason why is because the planes were hijacked.
Because bad people were driving the planes and made the planes crash on purpose.
Planes seldom crash more than once.
Planes can crash due to a number of reasons including pilot error, electrical/mechanical failure, bad weather, air traffic controller error, and on rarer occasions, terrorism and pilot suicide.
Driver error.
some ways planes crash is a storm,failing engine,a passed out pilot, and to much cargo
Crash Science - 2005 Planes was released on: USA: 19 October 2006
No because the air around the plane has pressure. If two planes take off at the same time the planes will crash. The planes might crash if they land at the same time.
this is because it is verry weak in a crash situation, and planes are not intended to crash at all,
crash
Chances of being in a plane crash are 1 in 11 million
Only about 0.000001% of planes ever crash. Generally, the drive down to the airport is much more dangerous than flying a plane.