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0048 00
TM 11-5895-1847-12&P
b.
When the alert has been acknowledged, prepare for receiving the subsequent distress message. If no
acknowledgement is heard, inform the master of the vessel of the contents of the distress message and follow
the steps below:
{1} Acknowledge the distress as soon as possible. As there is no facility on a class D controller to
acknowledge a distress alert by DSC, it will have to be done on channel 16 by voice.
{2} Follow the below procedures to transmit your acknowledgement of the distress alert:
EXAMPLE OF TRANSMISSION
MAYDAY
NAME OR MMSI NUMBER OF THE VESSEL
IN DISTRESS SPOKEN THREE TIMES.
"THIS IS"
NAME OF OWN VESSEL SPOKEN THREE TIMES.
"RECEIVED MAYDAY"
STATE THE ASSISTANCE YOU CAN PROVIDE.
2C048-1
4.
Alert from a vessel out of coastal communication range close by:
a.
The DSC distress alert cycle of five calls will take approximately 3 seconds and is repeated randomly at
between 3.5 and 4.5 minute intervals. If your acknowledgement coincides with a DSC repetition,
acknowledge as soon as it is finished.
b.
If you can render full assistance, ask the distressed vessel to cancel the DSC distress alert and inform the coast
guard so that they don't assume the vessel has sunk.
END OF WORK PACKAGE
0048 00 2
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