单项选择题
A.you are in the vicinity of the ICW B.the buoy is a special mark C.the buoy is off station D.the buoy designates a sharp turn in the channel
You are drifting in a locale where there is no current．...
单项选择题You are drifting in a locale where there is no current．As a rule，your vessel will lie（）.
A.Bow to the wind B.Beam to the wind C.Stern to the wind D.With the wind on the quarter
You are approaching a vertical lift bridge.You know the...
单项选择题You are approaching a vertical lift bridge.You know the span is fully open when（）.
A.Three white lights in a vertical line are lit B.A red light starts to flash at about 60 times a minute C.A yellow light is illuminated on the bridge pier D.There is a range of green lights under the lift span
Which vessel would display a cone，apex downward（）.A.A f...
单项选择题Which vessel would display a cone，apex downward（）.
A.A fishing vessel with outlying gear B.A vessel proceeding under sail and machinery C.A vessel engaged in diving operations D.A vessel being towed
