A.three balls in a vertical line
B.two balls in a vertical line
C.one ball near the foremast and one ball at each fore yard
D.one diamond near the foremast head and one ball at each fore yard
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A.a forward masthead light
B.sidelights and a sternlight
C.a towing light
D.All of the above
A.the lights required for a power-driven vessel underway
B.only the required masthead lights
C.a sternlight only
D.sidelights and a sternlight
A.Sidelights and a stern light
B.Sidelights only
C.Sidelights and a small white light at each end
D.A small white light at each end
A.Meeting
B.Overtaking
C.Crossing
D.Passing
A.avoid crossing the channel if it impedes another vessel navigating in the channel
B.not overtake any vessels within the channel
C.keep as close as possible to the edge of the channel on her port side
D.anchor only in the middle of the channel
最新試題
If a seaplane is not used as a means of transpiration on water but is capable of being used so，it shall（）.
As look-out，you spot an object 45°off your port bow. You should report the object as（）.
Which statement about the Navigation Rules is TRUE?（）.
In complying with the Rules，of what must the mariner take due regard?（）.
A vessel being pushed ahead is required to carry which of the following lights?（）.
Vessels，（）support vessels，should not enter the safety zone of a deepwater port unless clearance has been obtained from the Vessel Traffic Supervisor.
A vessel approaching a narrow channel shall（）.
If the circumstances admit，（）of small alteration of course and speed shall not be taken to avoid collision.
A head-on situation at night is one in which you see（）.
A vessel engaged in fishing during the day would show（）.