Black box
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BLACK BOX
by:
ASWANTH.T
ID:12006270(49)
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CONTENT:
Introduction History Inside The Black Box
Flight Data Recorder
Cockpit Voice Recorders● Technology used for Recording and Storage● Built To Survive● Testing a CSMU● Retrieving Information● Conclusion
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INTRODUCTION
The Black Box is a flight data recorder used to record specific aircraft performance parameters.
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HISTORY
The first prototype of FDR was produced in 1956 by Dr. David Warren in the then Aeronautical Research Laboratories of Melbourne, Australia.
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INSIDE THE BLACK BOX :
Flight Data Recorder (FDR)
Cockpit Voice Recorder (CVR)
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Flight Data Recorders
The Flight data recorder (FDR) is designed to record the operating data from the plane's systems.
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Parameters Recorded By Most FDRs: Time Pressure at altitude Airspeed Vertical acceleration Magnetic heading Control-column position Rudder-pedal position Control-wheel position Horizontal stabilizer Fuel flow
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Cockpit Voice Recorders:
CVR is designed to track the conversations of the flight crew.
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The Positions Of The Four Microphones:
Pilot's headset
Co-pilot's headset
Headset of a third crew member (if there is a third crew member)
Near the center of the cockpit, where it can pick up audio alerts and other sounds
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Technology used for Recording and Storage:
Magnetic Tape
Solid-State Technology
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Built To Survive:
In many airline accidents, the only devices that
survive are the Crash-survivable memory units
(CSMUs) of the flight data recorders and cockpit voice recorders. Typically, the rest of the recorder’s
chassis and inner components are damaged.
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Testing a CSMUThere are several tests that make up the
crash-survival sequence: Crash impact
Fire test
Fluid immersion
Deep-sea submersion
Salt-water submersion
Pin drop
Static crush
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Retrieving Information:
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CONCLUSION:
From the data of Black Box we can understand that how the information about aircraft crashes is analyzed & unanswered questions are answered.
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ANY QUESTIONS?
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THANKYOU