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Navigation & chartwork

What does a radar display show?

Short answer

Returned energy needing interpretation

Radar measures returns, not identity. Corroborate range and bearing before interpreting them. Revisit What Radar Actually Shows.

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 does a radar display show?