问题详情

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:2022-01-03 00:30 关键词: 航路指南

答案解析

D
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