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
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A.Bow to the wind
B.Beam to the wind
C.Stern to the wind
D.With the wind on the quarter
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
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
A.One vessel is approaching another vessel from more than 20° abaft the beam
B.It is the duty of the vessel being overtaken to get out of the way
C.Any later change of bearing between the two vessels shall not make the overtaking vessel a crossing vessel
D.All of the above
A.Approach charts
B.General charts
C.Sailing charts
D.Coast charts
最新試題
When liquid is free to move transversely in a tank，the effect is called（）.
Preferred channel marks are colored with（）．
When towing in an open seaway，it is important to use a towing line（）.
When steering a tow downstream around the shape of a sand bar，and staying on the proper side of the buoys，an operator should be cautious of（）.
The approach to the roads and harbor from the（）entails no difficulty.
When using the anchor to steady the bow while approaching a dock you must be aware of the fact that（）.
You are making tow.A loaded，open-hopper barge with independent tanks has placards，with alternating red and white quadrants，located at each side and end.You inspect the barge and find slight traces of water in the wing voids due to condensation.What（）.
You are running parallel to the coast and estimate that the current is against you.In plotting a running fix using bearings from the same object on the coast，the greatest safety margin from inshore dangers will result if what speed is used to determine（）.
Which nautical charts are intended for coastwise navigation outside of outlying reefs and shoals（）.
In the absence of a route leading from seaward，the conventional direction of buoyage generally follows（）.