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
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A.possible
B.practicable
C.impossible
D.probably
A.a basket
B.a black ball
C.a black cone
D.two black cones
A.too low to
B.too high to
C.too high for
D.too low for
A.the last vessel in the tow
B.the last vessel in the tow and it is carrying a crew
C.manned，regardless of its position in the tow
D.None of the above are correct
A.power-driven vessel dead in the water
B.sailing vessel on the port tack
C.vessel not under command
D.vessel fishing with nets
最新試題
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（）.
When underway in a channel，you should if safe and practicable（）.
Which vessel is NOT classified as “restricted in her ability to maneuver” （）.
Which statement correctly applies to a situation where a sailing vessel is overtaking a power-driven vessel（）.
When two vessels are in sight of one another and NOT in or near an area of restricted visibility，any of the following signals may be given EXCEPT（）.
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（）.
You are underway and approaching a bend in the channel where vessels approaching from the opposite direction cannot be seen．You should sound（）.
You hear the fog signal of another vessel forward of your beam.Risk of collision may exist.You MUST（）.
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（）.
When underway in a channel，you should keep to the（）.