目视飞行规则
- 网络visual flight rules;vfr
目视飞行规则-
对于以目视飞行规则飞行的飞机，是飞机将到达机场上空的估计时间。
For VFR flights , the time at which it is estimated that the aircraft will arrive over the aerodrome .
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进行目视飞行的民用航空器，应当遵守目视飞行规则，并与其他航空器、地面障碍物体保持安全距离。
A civil aircraft performing visual flight shall observe visual flight rules and keep a safe separation from other aircraft and ground obstacles .
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云层间目视飞行规则
Visual flight rule between layers