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
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
Bales close to the deckhead should be covered to prevent（）.
The mean draft of a ship is the draft（）.
Manoeuvring information can not be obtained from（）.
The helm command PORT TWENTY means（）.
Which of the following is not an operation mode of AIS?（）
Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
Full details of all lights and fog signals are shown on（）.
The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.