A mobile offshore drilling unit under tow is approaching a fog bank. When should fog signals be started? （） -题库考试答案搜索网

A mobile offshore drilling unit under tow is approaching a fog bank. When should fog signals be started? （）

单选题

2021-12-31 19:25

A、When the towing vessel enters the fog
B、When the drilling rig enters the fog
C、When the towing vessel can no longer be seen from the rig
D、Immediately

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正确答案

D

试题解析

标签：航海出版物

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