A.The vessel is not capable of performing all required distress and safety functions
B.The vessel is carrying more than the required number of qualified GMDSS radio operators
C.The vessel has a temporary waiver of its radio license and Safety Certificate
D.The vessel is not carrying a GMDSS radio maintainer，but has provided for shoreside maintenance plus duplication of equipment if required
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A.by which
B.through which
C.by that
D.through that
A.A commonly used abbreviation such as NYC is used
B.The name is spelled out
C.The geographical coordinates are used
D.The radio station call sign for the nearest marine radio station is used
A.they can be used by mariners who do not know Morse code
B.only an ordinary FM radio is necessary to receive these warnings
C.information on a given topic is only broadcast at specified times
D.they cover a broad spectrum of the radio band allowing reception on almost any type of receiver
A.secured inside the wheelhouse
B.tested annually
C.tested monthly
D.secured in the emergency locker
A.NAVTEX
B.HYDROLANT/HYDROPAC
C.NAVAREA
D.SAFESEA
最新試題
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
By using（）system a ship can send a distress message and know with certainty it will be received.
Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.
SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.
Distress traffic is the communication（）between the station in distress and the ships, aircraft, coast radio stations, coast earth stations and rescue centers participating in the rescue work.
If the beacon is mounted at a wrong place, it may（）by sea water, chemicals, exhaust and vibrations.
（）by an ice-breaker, it is important to maintain a continuous listening watch on the appropriate VHF channel and to maintain a proper look-out for sound and visual signals.
（）will form the basis for distress alerting and safety calling.
Ship-to-ship distress alerting should be conducted by（）.
SOLAS ships shall be equipped with（）.