A、come right
B、sound the danger signal
C、continue on your course
D、come left
更多“While underway at night you observe a vessel’s range lights in line off your starboard beam． You should（）.”相关的问题
A、at any time while underway B、while at anchor C、while alongside a vessel D、All of the above
A、1500A～2000A、10000AT～24000AT、12000AT～24000AT B、1400A～2000A、10000AT～24000AT、12000AT～24000AT C、1400A～2000A、12000AT～24000AT、12000AT～24000AT D、1400A～2000A、10000AT～24000AT、12000AT～25000AT
A、the same, whether at sea, or during maneuvering B、adjusted during each hour of operation while at constant RPM C、higher at sea than while maneuvering D、lower at sea than while maneuvering
A、During an engine speed change B、During a navigational course change C、Unless the helm is in the“hand”mode D、All of the above
A、1500A～2000A、10000AT～24000AT、12000AT～24000AT B、1400A～2000A、10000AT～24000AT、12000AT～24000AT C、1400A～2000A、12000AT～24000AT、12000AT～24000AT D、1800A～2600A、10000AT～24000AT、12000AT～24000AT
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
A、A.Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at sea B、B.Each compulsory vessel must carry at least two licensed Radio Operators at all times while at sea and may elect to carry a GMDSS Radio Maintainer as well C、C.Communications involving safety of life at sea do not have to be logged as long as the compulsory vessel was not involved in such communications D、D.While at sea，adjustments to，and the maintaining of，GMDSS equipment may be performed by the GMDSS Radio operator as long as the work is supervised by an onboard licensed GMDSS Radio Maintainer
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
A、Comparing the gyro azimuth of a celestial body with the computed azimuth of the body B、Comparing the gyro heading with the magnetic compass heading C、Determining from the chart the course made good between celestial fixes D、It cannot be determined accurately at sea due to drift of unknown currents
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