单项选择题
A power-driven vessel not under command at night must show her sidelights when（）.
A.making headway
B.making no headway
C.moored to a buoy
D.at anchor
点击查看答案&解析
相关考题
-
单项选择题
A power-driven fishing vessel is underway on the high seas and is not engaged in fishing. Which of the following factors determines what lights she will show?（）.
A.Whether she is normally a fishing or a trawling vessel
B.Her gross tonnage
C.Her length
D.The type of gear she carries -
单项选择题
A power driven vessel when towing and the length of the tow exceeds 200 meters shall exhibit during daylight hours where they can best be seen which of the following shapes? （）
A.a diamond shape
B.two cones，apexes together
C.a black ball
D.one cone，apex upward -
单项选择题
A fog signal consisting of one prolonged blast followed by four short blasts would indicate thepresence of a（）.
A.vessel being towed
B.fishing vessel engaged in trawling
C.vessel at anchor warning of her location
D.power-driven pilot vessel on station underway
