Flow chart for determining if you should/should not transmit DIST ACK signal

DSC Distress alert received.

Press [ALARM STOP] key to silence alarm.

Listen on CH16 for 5 minutes.

Did you receive

No

 

 

 

 

No

acknowledge from

 

Is distress traffic

 

CS and/or RCC?

 

 

 

in progress?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

 

Is own

Yes

 

 

 

 

vessel able

 

 

 

 

 

 

 

 

 

 

 

 

 

to assist?

 

 

 

CS = Coast Station

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

RCC = Rescue Co-ordination Center

 

 

 

 

 

Is distress call

No

continuing?

Yes

Acknowledge the alert by radiotelphony to the ship in distress on VHF CH16.

1.Say "MAYDAY" ONCE.

2.Say ID number of vessel in distress THREE TIMES.

3.Say "This is" ONCE.

4.Say ID number of your vessel

THREE TIMES.

5.Say "Received MAYDAY" ONCE.

Enter details in log.

Inform CS and/or RCC.

3-6

Page 30
Image 30
Furuno FM-8700 manual DSC Distress alert received