Plain English Meaning

A simple mental checklist a pilot runs through when making a flight decision: What could go wrong? What other options do I have? What's actually happening right now? Is something pushing me to make this choice when I shouldn't?

Full Definition

A four-element risk-evaluation checklist used by pilots during decision-making to assess a chosen course of action. The pilot examines the Consequences of the decision, the Alternatives available, the Reality of the situation as it actually is (not as hoped), and any External pressures that may be influencing the choice.

Context Anchor

Seen in aeronautical decision-making and risk management discussions, especially when a pilot is deciding whether to , change, delay, or stop a flight.