Plain English Meaning
The methods pilots use to spot other aircraft and stay clear of them so they don't collide.
Full Definition
The set of visual scanning techniques, regulatory right-of-way rules, and pilot actions used to detect other aircraft in flight and maneuver to maintain safe separation from them.
Context Anchor
Used in training, traffic pattern work, maneuvering practice, and any flight where the pilot must actively look outside and avoid other aircraft.
Derivation
Collision comes from a Latin word meaning “to strike together.” Avoidance means keeping away from something. means an way of doing something. Together, the phrase points to set pilot actions that keep aircraft from striking each other.