A.white light
B.red light
C.yellow light
D.blue light
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A.special flashing light
B.anchor light
C.sternlight
D.masthead light
A.only if she is towing astern
B.only if the tow exceeds 200 meters
C.at any time when towing
D.if the towing vessel is part of a composite unit
A.Triangular
B.Diamond
C.Circular
D.Octagonal
A.the centerline of a navigable channel
B.the starboard side of a channel
C.a prominent object of navigational interest that has no lateral significance
D.area of a channel where passing another vessel is permitted
A.two towing lights in a vertical line
B.a towing light in a vertical line above the sternlight
C.two towing lights in addition to the sternlight
D.a small white light in lieu of the sternlight
最新試題
During the day，a vessel with a tow over 200 meters in length will show（）.
If your vessel were proceeding down river (descending)，a green square marker with a green reflector border on the right bank would be a（）.
A power-driven vessel underway shall keep out of the way of（）.
The duration of a prolonged blast of the whistle is（）.
All fog signals shall be sounded every two minutes with the exception of a vessel（）.
An inconspicuous，partly submerged vessel or object being towed，where the length of tow is 100 meters，shall show（）.
A towing light，according to the Rules，is a（）.
A towing vessel 30 meters in length is pushing barges ahead. How many white masthead lights is the vessel REQUIRED to show at night?（）
A vessel towing is showing three forward white masthead lights in a vertical line. This means that the length of the（）.
A vessel being towed astern，where the length of the tow exceeds 200 meters，will exhibit （）.