Pilot Physiological Factors

peripheral vision by scanning small sectors and utilizing off-center viewing. a series of short, regularly spaced eye movements to search each 10-degree sector. regularly spaced concentration on the 3-, 9-, and 12-o’clock positions.

not exceed 10 degrees and view each sector at least 1 second. use peripheral vision by scanning small sectors and utilizing off-center viewing. be 30 degrees and view each sector for at least 3 seconds.

clear days. hazy days. cloudy nights.