你可能感興趣的試題

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

單項(xiàng)選擇題

The Sailing Directions contain information on （）.

A.required navigation lights
B.lifesaving equipment standards
C.casualty reporting procedures
D.currents in various locations