The Black Box is a Recorder of Airplane. This is an important instrument that records all the activities of the airplane during the flight. This box fixed on the backside of the airplane. This Box made with strong Titanium metal. This box gives it strength to withstand any shock of it falls in the sea or falls from the height.
Two separate Boxes :
A)Flight Data Recorder :
This tool contains information about direction, altitude, fuel, speed, turbulence, cabin temperature. In this box 88 values for 25 hours recorded. This box safe at 11000° C for one hour. Also the temperature of 260° C for 10 hours. This box is only red or pink in color. Because of easy finding.
B)Cockpit Voice Recorder :
This is another part of Black Box. This box records the sound of the airplane. This can record the last two hours’ voice. It can record the sound of the engine, emergency alarm, cabin, and cockpit.
What is the main work of the Black Box?
During accident Black Box gone anywhere, it keeps on emitting the waves along with a beep sound for 30 days. Investigators can find this sounds for 2-3 kilometers distance. The most important point is it can emit waves from the depth of 14000 feet in the sea.