Plain English Meaning
How a pilot uses their eyes during flight to see traffic, instruments, terrain, and weather — and the techniques used to see well, especially at night or in poor conditions.
Full Definition
The pilot's use of sight to gather information needed to fly the aircraft safely, including detecting other traffic, judging distance and closure, reading instruments, identifying terrain and weather, and maintaining orientation. Effective vision in flight depends on understanding how the eye works, its limitations in low light and at altitude, and the scanning techniques used to overcome those limitations.
Context Anchor
Seen in pilot training when discussing for other aircraft, , , , and the limits of human eyesight.