blind flying

1. Struck blind by a flying stone in the eyes, he is now led by the hand to cross the street.
   被飞石打中眼晴致盲后，他现在由人牵着手过马路。
2. It is suggested that smoking can cause a greater air blind distance, lowered night vision, air sickness and vestibular proprioceptive lesion, all of which are a threatening factor against flying security.
   提示：吸烟可以导致空中盲距增大、夜间视力降低及空晕病、前庭本体性错觉的发生，对飞行安全构成严重威胁。
3. Yet this kind of four-rotor aircraft still has certain blind side such as nonlinear control, heavy control volume and complex process of controlling flying postures.
   四旋翼飞行器具有非线性控制、控制量多、飞行姿态控制过程复杂等特性。

noun

1. using only instruments for flying an aircraft because you cannot see through clouds or mists etc.

   Synonym:    blind landing