■ Procedures for canceling false distress alerts

Procedures for canceling false distress alerts.

If a distress alert is inadvertently transmitted, the following steps shall be taken to cancel the distress alert.

1.VHF(Very High Frequency) 
1) If a false distress alert detected during transmission

2) Reset the equipment immediately
3) Set to Channel 16; and

4) Make broadcast to "All stations” eg;
    "All stations All stations All stations
    This is NAME, CALLSIGN, MMSI NUMBER, POSITION,
    Cancel my Distress alert of  DATE, TIME, UTC"
    =Master +
5) And then, Fax or email above contents to the nearest RCC and confirm by telephone call
    whether it is cancel or not.
    (You can see all contact information of RCCs', If you use the Admiralty List of Radio Signal Vol.V)
        

2. MF(Medium Frequency)
1) If a false distress alert detected during transmission

2) Reset the equipment immediately
3) Tune for radiotelephony transmission on 2182 kHz; and
4) Make broadcast to "All stations” eg; (Same as above 1-(4))

5) And then, Fax or email above contents to the nearest RCC and confirm by telephone call
    whether it is cancel or not. (refer to the Admiralty List of Radio Signal Vol.V)

3 HF(High Frequency)
1) If a false distress alert detected during transmission

2) Reset the equipment immediately
3) Tune for radiotelephony on the distress and safety frequency in each band in which a false distress alert
    was transmitted; and (4, 6, 8, 12, and 16MHz)
4) Make broadcast to "All stations” eg; (Same as above 1-(4))
5) And then, Fax or email above contents to the nearest RCC and confirm by telephone call

    whether it is cancel or not. (refer to the Admiralty List of Radio Signal Vol.V)

4. INMARSAT ship earth station. Immediately notify the nearest appropriate rescue coordination center
   that the alert is cancelled by sending a distress priority message by way of the same land earth station
   through which the false distress alert was sent. Provide ship name, call sign or registration number, and 
   INMARSAT identity with the cancelled alert message.

5. EPIRB If for any reason, an EPIRB is activated inadvertently, immediately contact the nearest 
   appropriate Rescue Coordination Center by telephone and cancel the distress alert.
   and then, Fax or email "Ship's Name, Callsign, MMSI Number, Position, Cancel my Distress alert of
   Date, Time, UTC, Master+ " to the nearest RCC.