单选

Which statement is false regarding the radio operator requirements for a GMDSS-equipment ship station?

A.One of the qualified GMDSS operators must be designated to have primary responsibility for radio communications during distress incidents
B.A qualified GMDSS operator, and a qualified backup, must be designated to perform distress, urgency and safety communications
C.Maintaining a record of all incidents connected with the radio communication service which appear to be of importance to safety of life at sea is not required
D.While at sea, all adjustments or radio installations, servicing or maintenance of such installations which may affect the proper operation of the GMDSS station must be performed by, or under the supervision of, a qualified GMDSS operator

试题出自试卷《GMDSS通信英语试题(1)》

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