Definition
A pilot training and operational practice focused on recognizing the conditions that produce wind shear, detecting its presence, and using procedures and decision-making to stay clear of it or escape it safely if encountered. Wind shear is a sudden change in wind speed or direction over a short distance, and avoidance includes preflight weather analysis, awareness of reported shear or microburst activity, alertness during takeoff and approach, and prompt action such as delaying departure, going around, or executing an escape maneuver.
Plain English
Knowing when and where dangerous sudden wind changes are likely, watching for them, and taking action to stay out of them — or to recover quickly if you fly into one.
Context Anchor
Pilots encounter wind shear avoidance in weather briefings, training scenarios, takeoff planning, approach planning, and go/no-go decisions around thunderstorms, strong gusts, and rapidly changing surface winds.
Derivation
“Shear” comes from an old word meaning “to cut.” In aviation, wind shear describes wind that seems to be “cut” into different layers or areas, with the wind changing sharply from one place to the next. “Avoidance” means staying out of that hazard rather than treating it as something to simply push through.
Why Pilots Care
Wind shear, especially from microbursts, has caused loss-of-control accidents; deliberate avoidance prevents sudden airspeed and altitude losses near the ground.
Grounding Statement
A practical wind shear avoidance decision might be delaying takeoff or going around when reports or conditions suggest sudden wind changes near the runway.
Intuition Check
Wind shear avoidance does not mean “handle the bumps better.” It means recognizing a possible sudden wind-change hazard early and staying out of it when practical.
Example Sentence 1
The instructor reviewed wind shear avoidance procedures before the lesson, since thunderstorms were forecast near the airport that afternoon.
Example Sentence 2
The pilot chose wind shear avoidance by requesting a different runway when virga was visible on the approach path.