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Navigation & chartwork

What is the first step in a radar scenario?

Short answer

Define the operational question and safe state, then record the set-up and evidence needed

The question, set-up, evidence, safe state, decision and verification form one traceable method. Revisit Scenario Method: Brief Before Touching Controls.

Sources and scope

Reviewed by Richard Moore on . This answer is scoped to international collision-avoidance and small-craft radar practice; check the current chart, publication, local rules and official operational guidance before acting afloat.

Quick check

What is the first step in a radar scenario?