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COLREGs

How should a crossing contact be assessed?

Short answer

Use timed range/bearing, the applicable visibility Rule context, whole-picture action and fresh checks

A crossing scenario needs systematic observations, correct classification and verification across all contacts. Revisit Crossing Target: Observation Before Role or Action.

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

How should a crossing contact be assessed?