This thing is very famous tools, because if the air plane broken n fall, investigator's always to find this object. Function of this box is record the motion air plane from high, aircraft altitude, cabin pressure, air temperature outside, etc. (FDR - Flight Data Recorder) and conversations with the pilot and co pilot with airport officials (CVR - Cockpit Voice Recorder). Although the name is black box, in fact the box color is not black but orange.
General Specifications
* Flight Data Recorder
* Recording time: 25 hours continuous
* Number of parameters: 18 - 1000 +
* Impact tolerance: 3400Gs / 6.5 ms* Hold the fire: 1100 degC / 30 minutes
* Water pressure resistance: submerged 20,000 feet
* Underwater locator beacon: 37.5 KHz; batteries have a shelf life of 6 years or more, with a 30-day operation capability upon activation
Cockpit voice recorder
* Recording time: 30 minutes continuously, 2 hours for solid state digital units
* Number of channels: 4
* Impact tolerance: 3400Gs / 6.5 ms
* Hold the fire: 1100 degC / 30 minutes
* Water pressure resistance: submerged 20,000 feet
* Underwater locator beacon: 37.5 KHz; batteries have a shelf life of 6 years or more, with a 30-day operation capability upon activation
If the plane is broken n fall, so black box is the first thing to be searched it, because the function of black box one of them is recording all of activity during the plane flying. So we are to get information, why the plane is broken n fall. Black box is put in front of plane and tail of plane, because this place is save section if the plane damaged. And black box usually not too broken hard.
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