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4 DISTRESS OPERATIONS
4-7
4.2.1 Distress alert received on MF band
Do the following:
• Continue watching on 2182 kHz. Wait for coast station to acknowledge the distress call.
Watch until “SEELONCE FINI” is announced.
• If multiple DSC distress alerts are received from the same ship in distress and it is
beyond a doubt in your vicinity, a DSC acknowledgement may, after consultation with an
RCC or Coast Station, be sent to terminate the call by DSC.
• In no case is a ship permitted to transmit a DSC distress relay call upon receipt of a
DSC distress alert on MF channel 2187.5 kHz.
Action for ship receiving distress alert on MF band
Press [CANCEL] key to
silence alarm.
DSC Distress alert received.
Listen on 2182 kHz
for 5 minutes.
Did you receive
acknowledge from
CS and/or RCC?
Is own
vessel able
to aid
ship in
distress?
No
Is distress traffic
in progress?
No
Is the DSC distress
call continuing?
Acknowledge the alert by
radiotelphony to the ship
in distress on 2182 kHz.
Ye s
No
Inform CS and/or RCC.
Ye s
Ye s
Ye s
Enter details in log.
No
CS = Coast Station
RCC = Rescue Co-ordination Center