A.in an inside passageway
B.in an approved bracket
C.so that it is accessible from the bridge of the vessel
D.so that it will float free if the vessel sinks
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A.operates on both military and civilian aircraft distress frequencies
B.transmits both an alerting signal and a homing signal
C.must be the float free type and automatically activated
D.operates with a greater output of signal power
A.for precise navigation in coastal waters
B.by measuring the phase difference of the dots and dashes
C.as an aid to ocean navigation
D.if the vessel is fitted with a special Consol receiver
A.that follows the curvature of the earth
B.that can be picked up by SARSAT satellite
C.that activates an alarm on board nearby aircraft
D.to alert shore stations and then transmits a homing signal
A.permanently mounted in the survival craft
B.portable and stowed for carriage to the survival craft
C.permanently mounted on the bridge wings
D.portable and stowed in the emergency gear locker
A.understanding the GMDSS console's normal operational indicators
B.maintaining a proper GMDSS radio station log
C.responding to and comprehending alarms
D.All of the above
最新試題
International Navtex service means the coordinated broadcast and automatic reception on（）khz of maritime safety information by narrow-band direct-printing telegraphy using English language.
The vessel has stayed in port for seven days because she needs（）.
SOLAS ships shall be equipped with（）.
Ship-to-ship distress alerting should be conducted by（）.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
By using（）system a ship can send a distress message and know with certainty it will be received.
At least two two-way VHF radiotelephone apparatus shall be provided on every cargo ship of（）tons gross tonnage and upwards but less than 500 tons gross tonnage.
Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.
We consider（）send a helicopter with medical facilities to the distress area.
Radiotelephony communication or radio telex communication or both will be carried out by terrestrial or satellite means,（）the equipment fitted on ship and the area in which the incident occurs.