Definition
Advisory information issued by air traffic services and other sources about the presence, movement, or concentration of birds along or near flight routes, at airports, or at specific altitudes, where bird activity may pose a hazard to aircraft.
Plain English
Reports that tell pilots where birds are likely to be flying, so they can plan around them or stay alert for bird strikes.
Context Anchor
Pilots may receive Bird Activity Information from a control tower, another air traffic facility, or other official aviation sources, especially near airports and during takeoff or landing.
Why Pilots Care
A strike can damage engines, windshields, or controls and turn into an emergency, so pilots use this information to delay, reroute, or stay alert.
Intuition Check
Bird Activity Information is not just a casual nature observation. In aviation, it means bird presence that could create a real hazard to an aircraft.
Example Sentence 1
The ATIS included bird activity information advising of large flocks of geese in the vicinity of the approach end of runway 27.
Example Sentence 2
The pilot checked bird activity information during the preflight briefing before departing the coastal airport.