VDR Systems

Black box on a plane like; grounding, sinking or can be used in research on the causes of accidents, such as conflict saves the data. recorded information: gps, chips, telegraph machine, driven route, the maneuvers, wind direction and intensity of the radar screen, can be considered as the talk radio.
devices are generally composed of three parts: data acquisition unit, data recording unit and the protective capsule. There is 12-hour memory backup device. There are rules required annual check.
shift, when the connection to all devices watchkeeping officers from time to time giving an alarm alerts.