Private Pilot : 2008年 Airman Knowledge Test Question (Written Exam)126.
The most effective method of scanning for other aircraft for collision avoidance during nighttime hours is to use A) regularly spaced concentration on the 3-, 9-, and 12-o'clock positions. B) a series of short, regularly spaced eye movements to search each 30-degree sector. C) peripheral vision by scanning small sectors and utilizing offcenter viewing. 夜間、衝突防止で他の航空機を探す最良の方法は。 夜間、Collision Avoidanceとして他の航空機をScanする最良の方法は。 The most effective method もっとも効率の良い方法
Private Pilot Knowledge Test (Private Written Exam) 2008年03月18日より出題
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