Sunday, 18 Nov 2018

Six important facts about the black box of an airplane


The victims of Lion AirThe victims of Lion Air -  The black box of the Lion Air JT 610 plane has been found. The voice and data recorder can reveal what really happened with the Boeing 737-Max 8 type aircraft.

Here are some important facts about what is commonly referred to as a black box plane.

1) What is often called a "black box" actually consists of two recording devices, namely a flight data recorder (flight data recorder) and a cockpit voice recorder. Because there are two recording devices, often called "black boxes".

2) Black boxes are actually tubes that are generally reddish-orange in color, so they are easily visible from afar and can be found quickly. Modern black boxes are not large, only the size of a shoe box.

3) The black box tube is able to withstand slamming from a large height, watertight to a depth of 6,000 meters, and withstand hot temperatures up to 1,000 degrees Celsius for at least 30 minutes. So, aircraft black box tubes are not easily damaged even though they are slammed and burned.

4) Usually black boxes are placed on the fuselage on parts that are not easily damaged and well protected. Its position depends on the construction of the aircraft. Usually in the middle or the back near the aircraft wheels.

5) The recording device has an emergency signal system in the form of a "ping" signal that can be used to detect its location. If it sinks in the water, the signal is sent automatically up to 30 days, depending on battery capacity. Usually the experts take into account 6-10 days until the battery is weakened.

6) To detect the position of underwater black boxes, the search team can use the help of an underwater microphone and sonar detector.


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