Which of the following statements about transmitting distress messages by radiotelephone is INCORRECT?（）<br>A:If no answer is received on the designated distress frequencies，repeat the distress call on any frequency available<br>B:Channel 16 (156.8) may be used for distress messages<br>C:It is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duration<br>D:Distress messages should first be transmitted on 2182 kHz

Which of the following statements about transmitting distress messages by radiotelephone is INCORRECT?（）
A:If no answer is received on the designated distress frequencies，repeat the distress call on any frequency available
B:Channel 16 (156.8) may be used for distress messages
C:It is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duration
D:Distress messages should first be transmitted on 2182 kHz

出自：海船船员证

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