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4 DISTRESS OPERATIONS
4-10
Action for ships receiving distress alert on HF band
Press [CANCEL] key to
silence alarm.
DSC Distress alert received.
Listen to associated RTF or
NBDP channel(s) for 5 minutes.
Is the alert
acknowledged or
relayed by CS and
or RCC?
Is own
vessel able
to assist?
No
Is distress commu-
nication in progress
on associated RTF
channels?
No
Transmit distress
relay on HF to coast
station and inform
RCC.
Contact RCC via most
efficient medium to offer
assistance.
Ye s
Ye s
Ye s
Enter details in log.
No
CS = Coast Station
RCC = Rescue Co-ordination Center
HF DSC, RTF AND NBDP CHANNELS (kHz)
DSC RTF* NBDP
4207.5 4125 4177.5
6312.0 6215 6268
8414.5 8291 8376.5
12577.0 12290 12520
16804.5 16420 16695
* = Radiotelephone
Sending the distress relay to coast station (on HF band)
1. The audio alarm sounds and the display changes as below when a distress call is
received.
DISTRESS CALL
ID IN DIST:
123456789
NATURE: UNDESIGNATED
POS:
12˚34N 123˚45E AT 12:34
TELEPHONE
8291.0 KHZ
Distress
call received.
STOP ALARM
2. Press the [CANCEL] key to silence the audio alarm, and the display changes as below.
*
Received message
*
JAN-23-2002-23:59 ECC: OK
DISTRESS CALL
ANSWER
SHIP IN DIST:
123456789
NATURE: UNDESIGNATED
POS:
12˚34N 123˚45E AT 12:34
TELEPHONE
8291.0 KHZ
ALL VIEW
3. Rotate the [ENTER] knob to choose ANSWER and then push the [ENTER] knob.