A.Engaged in fishing
B.Mine sweeping
C.A pilot boat
D.Under sail
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A.To avoid immediate danger
B.When authorized by the rig superintendent
C.To comply with an operator's requirement
D.Under no conditions
A.alter course to starboard and pass port to port
B.alter course to port and pass starboard to starboard
C.decide on which side the passage will occur by matching whistle signals
D.slow to bare steerageway
A.Two masthead lights
B.One masthead light and a sidelight
C.Both sidelights
D.Stern light only
A.Each vessel should show sidelights
B.Each vessel should show at least one white light
C.The barges should be lighted as separate units
D.The barges should be lighted as one vessel
A.Radiation fog
B.Frontal fog
C.Convection fog
D.Advection fog
最新試題
You are on a vessel that cannot comply with the spacing requirement for masthead lights.What is required in this situation（）.
Underway at night，a vessel displaying the lights shown is（）.
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（）.
You are approaching another vessel and will pass starboard to starboard without danger if no course changes are made.You should（）.
When underway in a channel，you should if safe and practicable（）.
Vessel engaged in the launching or recovery of aircraft is called（）．
Your vessel is not underway when（）.
Which vessel is NOT classified as “restricted in her ability to maneuver” （）.
You are under sail and overtaking a tug and tow.Which action is correct（）.
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（）.