A.The Morse code distress series S-O-S repeated 3 times followed by DE and the vessel's call sign
B.A line of blip code on a radar screen outward from the SART's position along its line of bearing
C.A line of blip code on a radar screen inward from the SART's position to its own ship along its line of bearing
D.None of these
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A.Distress messages should first be transmitted on 2182 kHz
B.Channel 16 (156.8 MHz) may be used for distress messages
C.If no answer is received on the designated distress frequencies，repeat the distress call on any frequency available
D.It is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duration
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
A.A continuous sounding with any fog signal apparatus
B.A signal sent by radiotelephone consisting of the spoken word "Mayday"
C.An International Code Signal of N.C.
D.The firing of green star rockets or shells
A.A triangular flag above or below a ball
B.The International Code Signal of distress indicated by "JV"
C.A green smoke signal
D.Flames on the vessel as from a burning tar barrel
A.Class A EPIRBs
B.Class B EPIRBs
C.L-Band EPIRBs
D.Category I EPIRBs
最新試題
Which signal is detected as originating from a SART?（）
Which action should you take after sending a false distress alert on VHF?（）
Which is a distress signal? （）
The regulations require that inspected vessels on an international voyage，other than small passenger vessels，must carry which of the following distress signals on or near the navigating bridge?（）
How is “radio silence” imposed?（）
Which condition represents the appropriate time for setting off distress flares and rockets? （）
When you are firing a pyrotechnic distress signal，it should be aimed at（）.
Which of the following statements about transmitting distress messages by radiotelephone is INCORRECT?（）
Distress signals may be（）.
When sending a DSC call，the vessel’s（）.