The BA crash landing, which did not result in any fatalities, was finally found to have been caused by a blockage in the fuel line feeding the engine.
Simply put the aircraft had the aviation equivalent of a cardiac arrest because some of the fuel failed to melt and blocked the supply line at the end of a long flight from Beijing to London, during which the plane travelled through unusually cold airspace over Siberia.
This crash has echoes of the disaster in which 288 people on board an Air France Airbus 330. That plane, another long-haul workhorse, crashed into the Atlantic en-route from Rio de Janeiro in June 2009 killing 228 people.
A variety of explanations have been given for the Air France crash, with investigators finding that the plane’s speed sensors were giving an incorrect reading.
But with this crash involving a different aircraft, it will take several months before investigators can ascertain the cause.
据英国《每日电讯报》报道,波音777飞机一直被认为是最安全机型之一,但不到一年时间里发生第二起致命坠毁必然会使其名声受损。
波音777飞机在1995年投入使用,现在运行中的波音777飞机大约有1000架,而且它们通常承担最远距离的飞行,是长途运输的主力。负责监控美国制造飞机的美国国家运输安全委员会记录的意外事件不到60件。
但是,最近的记录却因为两次重大事件显得很突出——一件为去年7月旧金山机场的坠机事件,导致三人死亡,另一件为2008年1月在希思罗机场一架英国航空公司的波音777迫降事件。
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