What is a Black Box?
The black
box is the common name for the flight data recorder, a device
carried in an
aircraft. Its purpose is to give the cause of faults if these develop in
flight. It
gives information about a plane's heading, height, air speed, rate of
descent,
etc. This recorder is encased in a crash proof, fireproof, floatable box. In
case of a
casualty, the black box remains safe and is recovered later. The
information are
recorded in binary code.
Besides a
flight recorder, a plane also carries a cockpit voice recorder which
records the
conversation going on in the cockpit. In case of a crash, both the
recorders prove
to be very useful for analysing the cause of crash and helping
designers to
produce safer planes.
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