Hazardous occurrence related to margin of safety
Challenges faced and Lessons to be learned Confidential Hazardous Incident Reporting Programme (CHIRP) has received a reportfrom the officer of the watch of a large commercial vessel in the Baltic.Report text:"At. 10:30 UTC, My attention was drawn to a tanker calling Sound pilot repeatedly on channel 16. I took the vessel under closer surveillance. Since the vessel was calling for Sound pilot, I figured that she will continue to route D from the Anholt crossing. I noted that her CPA was going to be close if she did not change her course. Keeping in mind that she was the give away vessel, I monitored her progress and kept my course and speed."At 10.56 when our TCPA was 9 minutes and CPA 0,4 miles, I gave the vessel a call on ch. 16 and then changed to Channel 6."From XXXX: Vessel YYYY, this is XXXX on channel 6. I am just wondering what is your intention. Are you going to turn to starboard soon and pass me from my stern? From YYYY:No I am going to keep my course and speed."From XXXX: No, this is very dangerous, our CPA is only 0,4 miles. You have to turn to starboard now, I ...
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