A.a non-power driven vessel
B.a sailing vessel
C.a power driven vessel
D.a power driven vessel or a non-power driven vessel
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A.by sight and hearing only
B.by all available means besides sight and hearing
C.by all available means except sight and hearing
D.by none of above means
A.all vessels must carry an after range light
B.vessels less than 50 meters in length need not carry an after range light
C.vessels stopped dead in the water should turn off their range lights
D.vessels over 20 meters in length must carry both range lights from sunset to sunrise
A.One blast at one-minute intervals
B.One blast at two-minute intervals
C.Two blasts at one-minute intervals
D.One prolonged and two short blasts at two-minute intervals
A.situations when you can see vessels on radar that you cannot see visually
B.visibility of less than half a mile
C.any condition where visibility is restricted
D.visibility where you cannot see shore
A.any sailing vessel with propelling machinery
B.any vessel propelled by machinery
C.any sailing vessel with or without machinery for propelling
D.any sailing vessel with propelling machinery not in use
最新試題
When shall the stand-on vessel in a crossing situation take action to avoid the other vessel（）.
When taking action to avoid collision，you should（）.
Which statement correctly applies to a situation where a sailing vessel is overtaking a power-driven vessel（）.
Which display indicates a vessel conducting mineclearance operations（）.
Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another（）.
When you doubt the existence of risk of collision,（）.
Under what condition are you allowed to depart from the rules of the road（）.
Which one of the following rules is not regarding two power-driven vessels meeting end or nearly end on so as to involve risk of collision（）.
You are Master of a towing vessel engaged in towing three barges astern.The middle barge of the tow would be required to sound which of the following during restricted visibility （）.
You see a vessel displaying three lights in a vertical line.The highest and lowest lights are red and the middle light is white.She is also showing a white light at the stern，which is lower than the forward light.It could be a（）.