A fishing vessel displaying the lights shown is（）.

A fishing vessel displaying the lights shown is ______.

A.anchored

B.underway but not fishing

C.tending a small fishing boat

D.fishing by trawling

A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE?

A.During the day，she would display three balls in a vertical line

B.If making way，she would show masthead lights at night

C.If at anchor，she need not show anchor lights while displaying identifying lights

D.Her fog signal would consist of a rapid ringing of a bell for five seconds every minute

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

For the purpose of the Rules, except where otherwise required, the term ______.

A.vessel includes seaplanes

B.seaplane includes non-displacement craft

C.vessel engaged in fishing includes a vessel fishing with trolling lines

D.vessel restricted in her ability to maneuver includes fishing vessels

A vessel displaying three red lights in a vertical line is ______.

A.restricted in her ability to maneuver

B.not under command

C.engaged in mineclearing operations

D.constrained by her draft

A vessel under sail, displaying a black conical shape, point down, is regarded as ______.

A.Power driven

B.Sailing

C.Not under command

D.Fishing

A pilot vessel on pilotage duty at night will show sidelights and a sternlight ______.

A.when at anchor

B.only when making way

C.at any time when underway

D.only when the identifying lights are not being shown