單項選擇題

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

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單項選擇題

The Sailing Directions contain information on （）.

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

單項選擇題

You will find information about the duration of slack water in the （）.

A.Tidal Current Tables
B.Tide Tables
C.American Practical Navigator
D.Sailing Directions

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

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The Sailing Directions contain information on （）.

You will find information about the duration of slack water in the （）.

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