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sailed4seas talk 46 Sanchi collision review part 7
what we can learn at 1939 hours ? How many degrees course change is enough for collision avoidance, did you know ? why 4.5 minutes difference in passing time is enough
sailed4seas talk 46 Sanchi collision review part 7
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sailed4seas talk 46 Sanchi collision review part 7
what we can learn at 1939 hours ? How many degrees course change is enough for collision avoidance, did you know ? why 4.5 minutes difference in passing time is enough ? 您的影片网址：
what we can learn at 1939 hours ? How many degrees course change is enough for collision avoidance, did you know ? why 4.5 minutes difference in passing time is enough ? 您的影片网址：