When used by pilots in describing off-airway routes, points defining direct route segments become compulsory reporting points unless the aircraft is under radar control.
在被飞行员用于描述偏置航路时，除了在雷达控制的情况下，确定直线航段的导航点成为必报点。
When used by pilots in describing off-airway routes, points defining direct route segments become compulsory reporting points unless the aircraft is under radar control.
在被飞行员用于描述偏置航路时，除了在雷达控制的情况下，确定直线航段的导航点成为必报点。
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