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Difference Between Closest Point of Approach (CPA) and Bow Crossing Range (BCR): Complete Guide

3,064 Lượt xem· 22/01/25
Nauticalacademy001
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This video shows the difference between the Closest Point of Approach (CPA) and the Bow Crossing Range (BCR). These terms are essential for collision avoidance and safe navigation. CPA represents the closest point at which two vessels will approach each other if both maintain their present courses and speeds. It is a point along the target's relative motion line at which the shortest distance will occur between own ship and the target if both continue on their present courses and speeds. BCR is the distance at which a target vessel will cross ahead of own ship's bow or astern if both maintain their present courses and speeds. #radar #colreg #collisionregulation #navigation #passageplanning #seamanship #maritime #seafarer #seaman #bsmt #maritimestudents https://youtu.be/JQ52DMireIc https://youtu.be/_gCRehulxgc https://youtu.be/9jKumYQvLS0

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