Plain English Meaning
A simple form or chart you fill in before flying or working on an aircraft. It walks you through the things that could go wrong and helps you decide whether it is safe to proceed.
Full Definition
A structured method, usually a checklist or scoring sheet, used before a flight or maintenance task to identify hazards and judge whether the overall level of risk is acceptable. It guides the user through categories such as pilot fitness, aircraft condition, environment, and external pressures, often producing a numerical score or go/no-go indication.
Context Anchor
Seen in aviation training, preflight planning, maintenance planning, and instructor discussions about safe decision-making.