On which vessels is GMDSS required? （）<br>A:All vessels capable of international voyages<br>B:Vessels operating outside of the range of VHF coastal radio stations<br>C:SOLAS Convention ships of 300 gross tonnage or more<br>D:Coastal vessels of less than 300 gross tons

On which vessels is GMDSS required? （）
A:All vessels capable of international voyages
B:Vessels operating outside of the range of VHF coastal radio stations
C:SOLAS Convention ships of 300 gross tonnage or more
D:Coastal vessels of less than 300 gross tons

出自：海船船员证

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