in case of emergency which necessitates evacuation from the civil aircraft in distress the pilot-in-command must take measures first to organize passengers to leave the civil aircraft safely
在紧急情况下，需要从遇险民用航空器上撤离的，机长必须首先采取措施，组织旅客安全离开民用航空器
以上为机器翻译结果，长、整句建议使用 人工翻译 。