Some suggest this may be deliberate but it also may well reflect poor training and inadequate flying hours to maintain the high-level of proficiency that a fast jet requires.

一些人认为，这也许是故意的，但是这也可能是训练不足、飞行时间不够，无法满足高速喷气机需要的高度熟练度。

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This is required of the professional pilot who must be able to demonstrate proficiency in instrument flying regardless of the type of aircraft they fly.

这就要求专业飞行员无论驾驶什么类型的飞机都必须能够展示出熟练的仪表飞行水平。

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