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sailed4seas talk 19
How to decide the collision. spot and own ship safety margin ?
http://sailed4seas.pixnet.net/blog/po...
http://sailed4seas.pixnet.net/blog/po...
How to decide the collision. spot and own ship safety margin ?
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sailed4seas talk 19
http://sailed4seas.pixnet.net/blog/po...
How to decide the collision. spot and own ship safety margin ?
http://sailed4seas.pixnet.net/blog/po...
How to decide the collision. spot and own ship safety margin ?