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当飞机失事事件发生后,追查失事原因是有关方面最重视的事情。失事原因重要数据主要来源于飞行数据记录仪（FDR）和驾驶舱记录仪（CVR）。FDR和CVR俗称为黑匣子。目前黑匣子是所有商用运输飞机的必备设备。尽管有大量的数据被存储于黑匣子里,但是最近的许多事故都是显示出这种设备的不足:（1）它们不能给机组人员与地面空管人员就将面临的问题发出警告;（2）它们不能及时提供有效诊断事故和避免事故的信息;（3）对操纵飞机方面的需求也无能为力,例如,保持飞行器之间间隔和避开恶劣气象环境等;
When the plane crashed, the cause of the trawling was the most important thing for the parties concerned. Causes of Crash Important data comes mainly from flight data recorders (FDRs) and cockpit recorders (CVRs). FDR and CVR commonly known as the black box. The current black box is an essential piece of equipment for all commercial transport aircraft. Despite the large amount of data stored in the black box, many of these recent incidents show the inadequacies of such equipment: (1) they do not warn flight crews and air traffic control personnel about the problems they are facing; (2) They do not provide timely information on effective diagnosis of accidents and avoidance of accidents; (3) They are also incapable of handling aircraft needs, such as maintaining space between aircraft and avoiding adverse weather conditions;