A.need not show the lights for a vessel engaged in towing，if it is impractical to do so
B.may show the lights for a vessel not under command
C.must show a yellow light above the stern light
D.must show the lights for a vessel towing
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A.fishing
B.in distress
C.at anchor
D.not under command
A.engaged in piloting
B.towing astern
C.engaged in fishing
D.in distress
A.avoid cross
B.avoid to cross
C.avoid crossly
D.avoid crossing
A.Sound one blast of the whistle
B.Alter course to starboard
C.Construct a radar plot
D.Sound the danger signal
A.a tugboat
B.a sailing vessel
C.a power-driven vessel
D.a vessel propelled by machinery and under sail
最新試題
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 （）.
Which vessel is NOT classified as “restricted in her ability to maneuver” （）.
When one of two vessels（）is required to keep out of the way the other must keep her course and speed.
Which one of two crossing power-driven vessels has the right of way in a fog（）.
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（）.
Vessels should maintain a sharp lookout，especially during December through March，when navigating the right whale’s only known calving grounds which lie off the coasts of（）.
Which display indicates a vessel conducting mineclearance operations（）.
When taking action to avoid collision，you should（）.
When a vessel is in any doubt as to whether such a situation exists she shall（）that it does exist and act accordingly.
Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another（）.