This article will analyze the accidents of the civil aviation in and out of China to search for the right solution.

本文旨在对近年来国内外重大民用航空安全事件进行分析，以探索出适合的应对方案。

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The calculation result is that exponential smoothing is suitable to forecast the trend exceed the limits so as to find the early signs of civil aviation accidents or calamity.

计算结果表明，可采用指数平滑法预测超限事件的发生趋势，及时发现民航事故的早期征兆；

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What is missing is a process much like that of the National Transportation Safety Board, that automatically conducts investigations and issues reports on civil aviation accidents.

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No one was seriously injured in any of the events, and the National Transportation Safety Board, an independent federal agency charged with investigating civil aviation accidents in the US, and the Federal Aviation Administration, the national aviation authority of the US, have ordered investigations into the incidents.

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