A way to use radar for collision avoidance on inland waters

摘要

What professional mariner would wish to run without operational radar? We operate with a new generation of radars that are compact, easily readable and much more reliable than their predecessors. But we take for granted these spectacular advantages. The modern marine radar is very precise and capable of accurate measurement — particularly distances. Yet many pilots merely "eyeball" their displays and make comparative judgments in order to appraise the situation.