The black box, which is actually bright orange-red
in colour, records all the flight parameters like
airspeed, acceleration, engine thrust and conversations
between the aircraft and ground controllers in
a four-layered fireproof container. It is normally
stored in the tail section of passenger and commercial
aircraft.
Officials of the Directorate General of Civil
Aviation (DGCA) and local police displayed the
box May 25th, also known as FDR. It was black
due to fire and smoke but appeared to be intact.
The cockpit voice recorder (CVR) and a part of
the black box containing the digital flight data
acquisition unit (DFDAU) have already been recovered.
The black box should be sent to the US for analysis.
Experts form Boeing and the US National Transport
Safety Board (NTSB) are joining the Indian experts
to determine the exact cause of the crash of flight
IX 812, which was attempting to land at the Mangalore
airport with 166 passengers and crew ferried from
Dubai.
|