A、The safety of navigation or important meteorological warnings
B、The safety of a vessel or a person is in jeopardy
C、A vessel in need of immediate assistance
D、A coast station traffic list
更多“When the GMDSS Radio Operator on watch hears“SECURITE”spoken three times he can expect to receive a message concerning（）.”相关的问题
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
A、A.Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at sea B、B.Each compulsory vessel must carry at least two licensed Radio Operators at all times while at sea and may elect to carry a GMDSS Radio Maintainer as well C、C.Communications involving safety of life at sea do not have to be logged as long as the compulsory vessel was not involved in such communications D、D.While at sea，adjustments to，and the maintaining of，GMDSS equipment may be performed by the GMDSS Radio operator as long as the work is supervised by an onboard licensed GMDSS Radio Maintainer
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
A、GMDSS radio logs are required to contain entries pertaining to all incidents connected to radio communication service which appear to be of importance to the safety of life at sea B、All distress communications must be entered in the GMDSS radio log C、Both of the above D、None of the above
A、Key letters or abbreviations may not be used in GMDSS radio logbooks under any circumstance B、Urgent communications do not need to be entered in the GMDSS radio log C、Both of the above D、None of the above
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
A、In the Captain's office B、In the sea cabin C、At the GMDSS operating position D、Anywhere on board the vessel
A、Two licensed GMDSS radio operators B、Equipment carriage requirements C、Distress alerting and response D、All of the above
A、the radio regulations B、the technical terms and definitions C、how to operate the GMDSS SES equipment D、Maritime Communications
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