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Repetition of a Distress Message






The distress message shall be repeated at intervals by the vessel in distress until an answer is received or until it is no longer feasible to continue, The intervals between repetitions of the distress message shall be sufficiently long to allow time for stations, which have received the message, to reply.

When a vessel in distress receives no answer to its distress call sent on the distress frequency of 156, 800 MHz(Channel 16), the distress call and message should be repeated on any other available frequency on which attention might be attracted.

Any station that is not in a position to render assistance but has heard a distress message that has not been immediately acknowledged, after acknowledging receipt, the station shall take all possible steps to attract the attention of other stations that are in a position to render assistance.

In addition, all necessary steps shall be taken to notify the Coast Guard or appropriate search and rescue authorities of the situation.

 

Action by Station in Distress

When a vessel is threatened by grave and imminent danger, and requires immediate assistance, the person in command should direct appropriate action as follows:

 

1. transmit the distress call,

2. transmit the distress message,

3. listen for acknowledgement of receipt,

4. exchange further distress traffic as applicable,

5. turn on automatic emergency equipment (Emergency Position Indicating Radio Beacon - EPIRB)

 

Action by Stations Other than the Station in Distress

 

A station becoming aware that a ship station is in distress should transmit the distress message when:

1. the station in distress is not in a position to transmit the message, or

2. the person in command of the station that intervenes believes that further help is necessary.

 

When a distress message is received and it is known that the vessel in distress is not in the immediate vicinity, sufficient time should be allowed before the distress message is acknowleged. This will permit stations nearer to the station in distress to reply.


 

3.2.2. Acknowledgement of Receipt of a Distress Message (+Assistance Message)

 

The acknowledgement of receipt of a distress message shall be given in the following form:

1. the distress signal MAYDAY,

2. the call sign of the station in distress (three times),

3. the words THIS IS,

4. the call sign of the station acknowledging receipt (three times),

5. RECEIVED MAYDAY,

6. MY POSITION IS...,

7. PROCEEDING TO RENDER ASSISTANCE,

8. estimated time of arrival,

9. OVER.


Acknowledgement of Receipt of a Distress Message (Example):

 
 
MAYDAY SEAGULL HR1225, SEAGULL HR1225, SEAGULL HR1225 THIS IS HAPPY PRINCE BS432, HAPPY PRINCE BS432, HAPPY PRINCE BS432 MAYDAY RECEIVED OVER  



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