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Distress Alert Calling Procedure
Below is the procedure for transmitting a distress alert via radiotelephone. Transmit the
distress alert when a life-endangering situation occurs on your vessel.
1. Open the DISTRESS button cover and press the [DISTRESS] button more than three
seconds to show the following display, then release the [DISTRESS] button.
TIME TO GO : 30S
NATURE: UNDESIGNATED
POS:
12˚34N 123˚45E AT 12:34
TELEPHONE
2182.0 KHZ
Distress
call in progress!
DSC FREQ :
2187.5 KHZ
2. After the distress call has been transmitted, the following displays appear in order.
Wait for distress
acknowledgement.
TIME TO GO: 2M10S
NATURE: UNDESIGNATED
POS :
12˚34N 123˚45E AT 12:34
TELEPHONE
2182.0 KHZ
DSC FREQ :
2187.5 KHZ
SHIP IN DIST:
123456789
POS:
12˚34N 123˚45E AT 12:34
TELEPHONE
2182.0 KHZ
FROM COAST:
001234567
NATURE: UNDESIGNATED
Distress acknowledge
call received.
STOP ALARM
When distress call is
acknowledged by coast
station (usually within
1 min to 2 min 45 seconds)
3. The audio alarm sounds; press the [CANCEL] key to silence the alarm.
4. Communicate with the coast station via radiotelephone as below. (In the dual control
unit system, communication can be done from any control unit, after the distress alert
has been transmitted. To restore priority to the #1 control unit after completion of
distress communications, turn it off and on again.)
a) Say MAYDAY three times.
b) Say “This is …” name of your vessel and your call sign three times.
c) Give nature of distress and assistance needed.
d) Give description of your vessel (type, number of persons onboard, etc.) and any other
information which may aid in rescue.