A vessel displaying three red lights in a vertical line is ______.A.restricted in her ability to maneuverB.not under commandC.engaged in mineclearing operationsD.constrained by her draft
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
相关考题：
Which vessel may show three lights in a vertical line，the top and bottom being red and the middle being white?A.A vessel engaged in diving operationsB.A pilot vesselC.A vessel trawlingD.All of the above
A vessel engaged in fishing，and at anchor，shall show ______.A.an anchor lightB.sidelights and a stern lightC.three lights in a vertical line，the highest and lowest being red，and the middle being whiteD.None of the above
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 lineB.If making way，she would show masthead lights at nightC.If at anchor，she need not show anchor lights while displaying identifying lightsD.Her fog signal would consist of a rapid ringing of a bell for five seconds every minute
A vessel not under command making way at night would show ______.A.two all-round red lights in a vertical lineB.anchor lights and sidelightsC.two all-round white lights in a vertical line，sidelights and a stern lightD.two all-round red lights in a vertical line，sidelights，and a stern light
A vessel not under command shall display ______.A.two red lights at night and two black balls during daylightB.two red lights at night and three black balls during daylightC.three red lights at night and two black balls during daylightD.three red lights at night and three black balls during daylight
A vessel servicing a pipeline during the day shall display ______.A.three black shapes in a vertical line; the highest and lowest are balls，and the middle one is a diamondB.three shapes in a vertical line; the highest and lowest are red balls，and the middle one is a white diamondC.three black balls in a vertical lineD.two black balls in a vertical line
单选题A vessel engaged in trawling will show identification lights of（）.Aa red light over a white lightBa white light over a red lightCa green light over a white lightDtwo red lights in a vertical line
单选题A vessel displaying three red lights in a vertical line is（）.Arestricted in her ability to maneuverBnot under commandCengaged in mineclearing operationsDconstrained by her draft
单选题You see a vessel displaying three lights in a vertical line.The highest and lowest lights are red and the middle light is white.She is also showing a white light at the stern，which is lower than the forward light.It could be a（）.ASurvey vesselBVessel not under commandCVessel agroundDPilot vessel with port side to you
单选题A vessel displaying three red lights in a vertical line is（）.Anot under commandBagroundCdredgingDconstrained by her draft
单选题Which vessel may show three lights in a vertical line，the top and bottom being red and the middle being white? （）AA vessel engaged in diving operationsBA pilot vesselCA vessel trawlingDAll of the above
单选题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? （）ADuring the day，she would display three balls in a vertical lineBIf making way，she would show masthead lights at nightCIf at anchor，she need not show anchor lights while displaying identifying lightsDHer fog signal would consist of a rapid ringing of a bell for five seconds every minute
单选题At night，a vessel shall indicate that she is restricted in her ability to maneuver by showing in a vertical line two（）.Ared lightsBred lights and two white lightsCred lights with a white light in betweenDwhite lights with a red light in between
单选题A vessel towing a barge astern would show，at the stern（）.Aonly a stern lightBa towing light above the stern lightCtwo towing lights in a vertical lineDtwo white lights in a vertical line
单选题By night，you sight the lights of a vessel engaged in underwater operations. If an obstruction exists on the port side of the vessel，it will be marked by（）.Aa floodlightBtwo red lights in a vertical lineCa single red lightDany visible lights
单选题A vessel not under command shall display（）.Atwo red lights at night and two black balls during daylightBtwo red lights at night and three black balls during daylightCthree red lights at night and two black balls during daylightDthree red lights at night and three black balls during daylight
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
单选题A power-driven vessel pushing aheador towing alongside displays navigation lights and（）.Atwo all-round red lights in a vertical lineBtwo yellow towing lights in a vertical lineCtwo white masthead lights in a vertical lineDtwo lights on the stern，one yellow and one white
单选题A vessel not under command making way at night would show（）.Atwo all-round red lights in a vertical lineBanchor lights and sidelightsCtwo all-round white lights in a vertical line，sidelights and a stern lightDtwo all-round red lights in a vertical line，sidelights，and a stern light
单选题A vessel constrained by her draft may display（）.Athree all-round red lights instead of the lights required for a power-driven vessel of her classBthe same lights as a vessel restricted in her ability to maneuverCthree all-round red lights in addition to the lights required for a power-driven vessel of her classDthe lights for a power-driven vessel which is not under command
单选题A vessel engaged in fishing，and at anchor，shall show（）.Aan anchor lightBsidelights and a stern lightCthree lights in a vertical line，the highest and lowest being red，and the middle being whiteDNone of the above
单选题A vessel enagaged in fishing，and at anchor，shall show（）.Aan anchor lightBsidelights and a sternlightCthree lights in a vertical line，the highest and lowest being red，and the middle being whiteDNone of the above
单选题By day，you sight a vessel displaying three shapes in a vertical line. The top and bottom shapes are balls，and the middle shape is a diamond. It could be a（）.Avessel trollingBmineclearing vesselCtrawlerDvessel engaged in replenishment at sea
单选题An anchored vessel is servicing an aid to navigation and is restricted in her ability to maneuver. Which lights will she show? （）AThree lights in a vertical line，the highest and lowest red and the middle white，and anchor lightsBThree lights in a vertical line，the highest and lowest red and the middle white，ONLYCAnchor lights ONLYDAnchor lights and sidelights ONLY
单选题A vessel constrained by her draught may，in addition to the lights prescribed for power-driven vessels in Rule 23，exhibit where they can best be seen（）or a cylinder.Atwo all-round red lights in a vertical lineBthree all-round red lights in a vertical lineCtwo all-round yellow lights in a vertical lineDthree all-round green lights in a vertical line
单选题A vessel towing is showing three forward white masthead lights in a vertical line. This means that the length of the（）.Atowing vessel is less than 50 metersBtowing vessel is greater than 50 metersCtow is less than 200 metersDtow is greater than 200 meters
单选题A vessel aground at night is required to show two red lights in a vertical line as well as （）.Anot under command lightsBrestricted in her ability to maneuver lightsCanchor lightsDsidelights and a sternlight