A.increase the brilliance of the PPI scope
B.turn off the interference controls on the radar
C.use the maximum available range setting
D.increase the radar signal output
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A.take action to cross ahead of the other vessel
B.take action to pass astern of the other vessel
C.maintain course and speed
D.change course and increase speed
A.Deadweight Scale
B.Tide Tables
C.Notices to Mariners
D.Table of Azimuth
A.NAVTEX, COSPAS/SARSAT, EPIRBs and Status Recording-system
B.Inmarsat,COSPAS/SARSAT, EPIRBs and Status Recording-system
C.NAVTEX, Inmarast,EPIRBs and SART
D.Inmarsat, direct Printing Telegraphy
A.radio-telephony, DSC, Direct Printing Telegraphy,Navtex and SART
B.INMARSAT, DSC, Direct Printing Telegraphy, Navtex and SART
C.radio-telephony,DSC,EPLRB,Navtex and SART
D.Status Recording system,DSC,Direct Printing Telegraphy, Navtex and SART
A.distress alert
B.urgency message
C.safety message
D.routine message
最新試題
It is dangerous for vessels without the operational radar（）the estuary.
Which of the following shall not the officers in charge of the navigational watch do?（）
What is a CORRECT reply to a pilot’s request, How’s your heading?（）
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
（）is where the crew eat their meals.
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）
The dew point temperature is（）.
Which of the following is not a form of precipitation?（）
Manoeuvring information can not be obtained from（）.
Full details of all lights and fog signals are shown on（）.