INMARSAT DISTRESS PROCEDURE

The procedure will depend on the system used. INMARSAT-A or B or INMARSAT-C. Remember INNMARSAT A and B are realtime systems, you will be on-line talking direct to an RCC, INMARSAT-C is not realtime, you will send the alert to an RCC but you will not be on line with the RCC. The preferred method is to use INMARSAT-C.

Depending on the coast earth station (CES), distress calls are immediately connected to the nearest RCC. In some cases the CES operator will answer the initial call to verify the distress before connecting to the RCC. In other cases you may have to enter the telephone or telex number of the RCC (make it a practice to keep regional RCC numbers ready at the SES terminal). Connection to an RCC is normally accomplished in a matter of seconds. If language is not a problem, it is usually easier and faster to communicate direct with the RCC by telephone. If language is a problem, it may be more accurate the telex mode where accent and pronunciation is not a problem.

A distress alert sent via INMARSAT-C is a preprogrammed process using the automatic distress alert feature. Ship’s SES ID and position is immediately sent to the nearest RCC. Unless it is necessary to send additional distress information, keep the SATCOM terminal clear for incoming traffic from the RCC. The RCC will respond within a few minutes requesting additional information. This should be as complete as possible particularly if the emergency is such that you may not have time to send any further messages.

INMARSAT ALERTING

1. Use main SES terminal Prevents interruption

2. Update navigation input Usually automatic (GPS) input

3. Select phone or telex Not required if using SAT-C

4. Enter ocean region and CES If SAT-C, be logged-in to your ocean region

5. Select Distress (Priority 3) Follow distress menu

6. Wait for RCC to answer If SAT-C, RCC will request follow-up information

7. Give distress information MAYDAY, MAYDAY, MAYDAY, ship’s name, call letters, SES ID number, posit, time of posit, course, speed, nature of distress, persons onboard,

assistance required, any other useful info.

If using SAT-A, you will be connected direct to an RCC. If using SAT-C, use the automatic distress alert feature. Keep the terminal clear for a call back from the RCC. Expect a delay before the RCC calls back. If no call back or acknowledgement is received after 5 minutes, repeat the distress call.

NOTE: Even though a distress alert is sent direct to an RCC via INMARSAT, if immediate assistance is needed, it is advisable to also alert nearby ships via VHF and MF DSC.

CANCELING A INMARSAT DISTRESS ALERT

Notify the nearest RCC using Distress Priority (PRI 3).

Message should include:

1. Vessel’s name, call sign and INMARSAT ID number,

2. Position, date and time of the alert (UTC),

3. Cancel my distress alert.

<== попередня сторінка	\|	наступна сторінка ==>
CANCELING A DISTRESS ALERT (RADIO)	\|	Distress Communications

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