Black boxes are among the most important tools in modern aviation safety, helping investigators determine what happened in the moments leading up to an air disaster. After the urgent search for survivors and recovery of victims—such as the recent UPS cargo jet crash near Louisville—investigators turn their attention to two critical devices: the flight data recorder (FDR) and the cockpit voice recorder (CVR). Together, they are widely known as the “black box,” even though both units are bright… (airguide.info) More...