A.When the vessel is in an overloaded condition
B.When the vessel has arranged for both duplication of equipment AND shore-based maintenance
C.When the vessel has replaced a required piece of GMDSS-related equipment but its performance has not been verified or logged
D.When the vessel is carrying only two licensed GMDSS Radio Operators and is capable of performing all required functions
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A.week
B.two weeks
C.month
D.two months
A.easy access to its storage compartment
B.replacement of the battery without exposure to the weather
C.it to float free if the vessel sinks
D.it to remain attached to the vessel
A.all required documents and publications may have to be produced
B.licensed GMDSS radio operators may be required to demonstrate equipment competencies
C.all required equipment must be fully operational
D.All of the above
A.manually activated and operate on maritime (VHF) channels
B.automatically activated and operate on maritime (VHF) channels
C.manually operated and detected by satellite
D.automatically operated and detected by satellite
A.self-propelled，inspected vessels
B.towing vessels
C.recreational vessels
D.uninspected passenger vessels
最新試題
If the beacon is mounted at a wrong place, it may（）by sea water, chemicals, exhaust and vibrations.
（）will form the basis for distress alerting and safety calling.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
COSPAS-SARSAT is intended to be used for（）.
The advantage of geostationary satellites is（）.
Radio communication（）for many years and helps to save tens of thousands of lives.
On-scene communications will normally take place between（）.
The priority of EGC messages is classified by（）.
Every lifeboat which is fitted with a fixed two-way（）radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.