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1·RNP regional airmanship refers to make use of aircraft self-carrier navigation equipment and the new technology channel off rise-and-down by GPS.

RNP区域导航技术，是利用飞机自身机载导航设备和全球定位系统引导飞机起降的新技术。

2·The successful ditching of the stricken aircraft in the Hudson River, without a single loss of life among the 155 people on board, was an extraordinary feat of airmanship.

被击中的飞机成功迫降到哈德森河里，机上的155人无一人丧生，这是一项飞行技术的非凡壮举。