A.four vessels are nearby
B.a vessel has a steady bearing at a constant range
C.there is any doubt that a risk of collision exists
D.a special circumstance situation is apparent
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A.in a crossing situation
B.when they are making more speed than the power-driven vessel
C.when the sailing vessel is overtaking
D.on the Inland Waters of the United States
A.The fishing vessel because it is to port of the sailing vessel
B.The fishing vessel because it is fishing
C.The sailing vessel because it is to starboard of the fishing vessel
D.The sailing vessel because it is sailing
A.vessel on her port side that is crossing her course
B.vessel that is overtaking her
C.seaplane on the water
D.sailing vessel
A.possible
B.practicable
C.impossible
D.probably
A.a basket
B.a black ball
C.a black cone
D.two black cones
最新試題
Underway at night，a vessel displaying the lights shown is（）.
You are underway in reduced visibility.You hear the fog signal of another vessel about 20° on your starboard bow.Risk of collision may exist.You should（）.
When underway in a channel，you should keep to the（）.
Which statement correctly applies to a situation where a sailing vessel is overtaking a power-driven vessel（）.
You hear the fog signal of another vessel forward of your beam.Risk of collision may exist.You MUST（）.
You are on a vessel that cannot comply with the spacing requirement for masthead lights.What is required in this situation（）.
When shall the stand-on vessel in a crossing situation take action to avoid the other vessel（）.
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 underway and approaching a bend in the channel where vessels approaching from the opposite direction cannot be seen．You should sound（）.
Which display indicates a vessel conducting mineclearance operations（）.