Definition
An in-flight impact between two aircraft, typically occurring in good visibility, near airports, at low altitudes, and during daylight weekend hours. Most occur when one aircraft overtakes another or when both are converging on a similar flight path, and most are preventable through effective visual scanning and traffic awareness.
Plain English
Two aircraft hitting each other in the air. They almost always happen in clear weather close to airports, when at least one pilot did not see the other aircraft in time.
Context Anchor
Seen in see-and-avoid training, traffic scanning, collision avoidance discussions, and instructor briefings about maintaining visual awareness outside the aircraft.
Derivation
Midair combines “mid,” meaning in the middle of something, with “air.” “Collision” comes from a Latin idea meaning “to strike together.” The term points directly to aircraft striking together while they are in the air.
Why Pilots Care
These events frequently result in fatal outcomes with little opportunity for recovery, making systematic scanning and traffic awareness essential.
Intuition Check
Do not think of midair collisions as only high-speed head-on crashes. They can happen whenever aircraft paths come together in flight, including during turns, climbs, descents, or traffic pattern operations.
Example Sentence 1
The instructor emphasized that most midair collisions occur within five miles of an airport, so students must keep scanning the traffic pattern even when cleared to land.
Example Sentence 2
Instructors stress that proper lookout procedures greatly lower the risk of midair collisions during visual flight.