Applying the Rule(s) and comments:
In accordance with Rule 7 (b) (Risk of collision), proper use shall be made of radar equipment if fitted and operational, including long-range scanning to obtain early warning of risk of collision and radar plotting or equivalent systematic observation of detected objects. Comments: Radar can be used for determining risk of collision as follows: - using EBL and VRM for determining bearing and range of other vessel, - using radar data (bearing and range) for determining risk of collision using plotting sheet, - using ARPA for obtaining CPA, TCPA, - using AIS for obtaining other ships data, - when using two radars suggestion is to set radar screen on different ranges (e.g. one on 6 M and another on 12 M), - long-range scanning should be used to obtain early warning of risk of collision.
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