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sailed4seas talk 4７ Sanchi collision review part ８
what we can learn at 19３９ hours ? Why 7 or 8 degrees course change is enough for collision avoidance, did you know ? How to judge 3 minutes difference in passing time i
Sanchi collision review part ８
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sailed4seas talk 4７ Sanchi collision review part ８
what we can learn at 19３９ hours ? Why 7 or 8 degrees course change is enough for collision avoidance, did you know ? How to judge 3 minutes difference in passing time is enough ? 您的影片网址：
what we can learn at 19３９ hours ? Why 7 or 8 degrees course change is enough for collision avoidance, did you know ? How to judge 3 minutes difference in passing time is enough ? 您的影片网址：