A vessel showing a green light over a white light in a vertical line above the level of the sidelights is ______.A.engaged in underwater constructionB.under sail and powerC.a pilot vesselD.trawling
A vessel showing a green light over a white light in a vertical line above the level of the sidelights is ______.
A.engaged in underwater construction
B.under sail and power
C.a pilot vessel
D.trawling
相关考题：
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单选题A power-driven vessel towing another vessel astern (tow less than 200 meters) shall show （）.Athree masthead lights in a vertical line instead of either the forward or after masthead lightBtwo masthead lights in a vertical line instead of either the forward or after masthead lightsCtwo towing lights in a vertical line at the sternDa small white light aft of the funnel
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