单项选择题
A.can be observed by radar B.has determined that risk of collision exists C.is sounding a fog signal which can be heard on the other vessel D.can be observed visually from the other vessel
A vessel is in sight of another vessel when（）.A.she can...
单项选择题A vessel is in sight of another vessel when（）.
A.she can be observed by radar B.she can be observed visually from the other vessel C.she can be plotted on radar well enough to determine her heading D.her fog signal can be heard
A vessel is approaching from dead ahead． Both of her si...
单项选择题A vessel is approaching from dead ahead． Both of her sidelights are visible and her range lights are in line. Which of the following could you do first?（）.
A.Sound one blast of the whistle B.Alter course to starboard C.Construct a radar plot D.Sound the danger signal
A vessel has sustained damage in a collision with anoth...
单项选择题A vessel has sustained damage in a collision with another vessel. It is necessary to have a Seaworthy Certificate before the vessel sails. Who will issue this certificate?（）
A.American Consul B.Classification Society C.Captain of the Port D.Officer in Charge，Marine Inspection
