Ian Waugh - A Mariner\'s Guide to Marine Communications

Action on Receiving a DSC Distress Relay/DSC Distress

Acknowledgement

DSC Dislress Relay / Distress Acknowle~emelll

received from Coast Station / RC

DSC Distress Relay / Distre., Acknowledgement

on VHF Ch70 / 21R7.5kHz / 8414.5kHz received from another vessel

on Ch70 / :l187.5kHz / R414,SkHz

Set watch on Ch Ifi, 2182kHz or Set watch on Chl6, 2182kHz or

8291kHz (dependinJ on DSC 8291kHz (dependin~ on DSC

fre'luency on which e Relay or Does position of fretencr. on which t e Relay or

Acknowledgement was received) casualty Ac ow edgement was received

(as included in the

Relax or

Acknowledgement)

indicate that your

own vessel may

be able to a,sist?

Received Ma~day Rela)' message (Noli: Received Mathday Relay message

from Coast tatlOn / M RCC - this is IIu masler's or heard^0 er distress traffic

or heard Coast Station / MRCC No dteision) No from Relay / Acknowledgement

involved in radio distress traffic? vessel?

Yes Yes No Yes

Is your 0"11 vessel able to assist? Enter details in Is your own vessel

(Nole -this is Q decision for the your Radio Log able to assist?

masler othtr bridge of Ihe vessel, WQlcJrkL,fltr nol Qj (see lAMSAR (Master's decision)

No Manual) No

Yes Yes

Acknowledge by voice to the Contact the Coast Station / MRCC, or

Coast Station / MRCC, e;lf' the vessel that sent the Relay / Acknowledgement

'Mayda), -Cape Town Ra io, - by any suitable means -

Cape Town Radio, Cape Town Radio, and offer assistance

this is Wizard, Wizard, Wizard

Received Mayday

proceeding (etc.)'

FoUow instructions from Coast Station / MRCC or OSC

Response Flowchart: Distress Relay/ Acknowledgement Received from a Coast

Station/RCC, or from another vessel (alert indicating voice for subsequent

communications)

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