Plain English Meaning

Looking at the weather — at the airport, along the route, and at the destination — to make sure flying is safe and legal before going, and continuing to keep an eye on it during the flight.

Full Definition

A pilot's deliberate review of current and forecast weather conditions along a planned route of flight, conducted before departure and updated en route, to confirm that conditions remain within the pilot's and aircraft's capabilities and within legal flight rule minimums.

Context Anchor

Used during preflight planning, before takeoff, and anytime changing weather may affect the flight.