The occurrence of aviation accidents mirrors the defects in the aviation system.

航空事故的发生是航空系统存在缺陷的反映。

youdao

Aviation safety studies have shown that approximately 90% of all aviation accidents occur during the first two minutes or the last four minutes of flight.

航空安全研究显示所有的飞行事故中大约有90%都发生在开始两分钟或者最后四分钟的时候。

youdao

This is especially poignant when the body cannot be found/rescued and no burial plan can be offered as occurs in aviation accidents or multi-building fires.

尤其是在空难或高层建筑物火灾等灾害中，无法找到尸体和没有埋葬计划的情况下，家庭其他成员是非常痛苦的。

youdao

More than 450 people died in U.S. general-aviation accidents last year, amounting to one fatal accident for every 100, 000 flight hours.

WSJ: The New Frontier in Air Safety

Between 1995 and 2008, ground factors were responsible for one-third of major aviation accidents, according to data released by the U.S. National Transportation Safety Board.

WSJ: Honeywell Tests Autopilots for the Tarmac

Aviation accidents involving small aircraft are not uncommon in mountainous Nepal.

BBC: Darren Kelly