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
Which statement is TRUE，according to the Rules（）.
Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another（）.
You are underway and approaching a bend in the channel where vessels approaching from the opposite direction cannot be seen．You should sound（）.
You see a vessel carrying a black diamond which indicates a（）.
Underway at night，a vessel displaying the lights shown is（）.
You hear the fog signal of another vessel forward of your beam.Risk of collision may exist.You MUST（）.
When one upbound vessel is overtaking another vessel and both are pushing a tow ahead，what reaction may you expect（）.
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（）.
Your vessel is NOT making way，but is not in any way disabled.Another vessel is approaching you on your starboard beam.Which statement is TRUE（）.
When you doubt the existence of risk of collision,（）.