近期以来,复兴航空GE235、亚航QZ8501、马航MH17、MH370等航班频频发生的航空器失事事件,令世人为之欷歔不已。通常情形下,空难事故一旦发生后,航空器往往即会解体,甚至被烈火所烧毁。人们在赶到空难现场积极展开援救的同时,亦从第一时间起开始搜寻航班上一件极为重要的物证,这就是被称为航空器飞行事故“见证者”的“黑匣子”。这一重要物证的存在,不仅可以为空难调查人员 Recently, the world-wide revulsion has been caused by the frequent aircraft crashes that have taken place on Air China’s GE235, AirAsia QZ8501, Malaysia Airlines MH17 and MH370 flights. Under normal circumstances, aircraft accidents often occur immediately after the crash, and even the fire will be destroyed. People rushed to the scene of the crash to carry out active rescue, but also from the very first time on the flight to search for a very important evidence, which is known as the “aircraft” “black box ”. The existence of this important material evidence, not only can be air disaster investigators