special flashing light
anchor light
sternlight
masthead light
单选题A towing light，according to the Rules，is a（）.A white lightB red lightC yellow lightD blue light
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单选题As defined in the Rules，a towing light is a yellow light having the same characteristics as a(n)（）.A masthead lightB all-round lightC sidelightD sternlight
单选题A vessel showing a yellow light over a white light at night is a vessel（）.A engaged in pilotingB towing asternC engaged in fishingD in distress
单选题The towing light is a(n)（）.A flashing amber lightB yellow light with the same characteristics as the sternlightC all-round yellow lightD yellow light with the same characteristics as the masthead light
单选题A flashing light is a light that（）.A flashes at regular intervals at a frequency of 120 flashes or more per minuteB is yellow in colorC is visible over an arc of the horizon of not less than 180°nor more than 225°D All of the above
单选题A vessel towing a barge astern would show，at the stern（）.A only a stern lightB a towing light above the stern lightC two towing lights in a vertical lineD two white lights in a vertical line
单选题A towing light is（）.A shown at the bowB white in colorC shown in addition to the stern lightD an all-round light
