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Navigation & chartwork

What is essential before using a radar echo for a fix?

Short answer

Positive identification of the fixed charted feature

Radar position fixing begins with positive identification, then verified origin, reference, echo edge, construction and cross-check. Revisit Radar Fixing.

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 essential before using a radar echo for a fix?