A head on situation shall be deemed to exist at night when a power-driven vessel sees another power-driven vessel ahead and ().

A . one sidelight and the masthead light are visible B . the vessels will pass closer than half a mile C . both vessels sound one prolonged blast D . both sidelights and masthead light(s) are visible

时间:2022-10-21 07:52:05 所属题库:航路指南题库

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