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INMARSAT-FLEET INMARSAT-FLEET 7777
In response to the ever increasing need for In response to the ever increasing need for computer-based, cost effective and secure computer-based, cost effective and secure communications system at sea, Inmarsat communications system at sea, Inmarsat has developed advance computer solutions has developed advance computer solutions that deliver content-rich data and that deliver content-rich data and communications solutions to ships of all communications solutions to ships of all sizes: INMARSAT Fleet. sizes: INMARSAT Fleet.
Fleet F77Fleet F77
Fleet F55Fleet F55
Fleet F33Fleet F33
System DescriptionSystem Description
The Fleet F77 system is based on digital The Fleet F77 system is based on digital technologytechnology
Can supply digital communication via Can supply digital communication via telephony, fax, mobile ISDN and Mobile telephony, fax, mobile ISDN and Mobile Packed Data Service (MPDS)Packed Data Service (MPDS)
Fleet 77 Inmarsat Mobile NumberFleet 77 Inmarsat Mobile Number
Format:
T1 T2 X1 X2 X3 X4 X5 X6 X7
T1 T2 – (60 for Telex) (76 for Phone)
Eg.
602420510 (telex IMN)
762420510 (telephone IMN)
INMARSAT-CINMARSAT-C
System OperationSystem Operation
The Inmarsat-C system provides store and The Inmarsat-C system provides store and forward messaging, distress alerting, EGC forward messaging, distress alerting, EGC broadcasting and data reporting, polling broadcasting and data reporting, polling and SCADA.and SCADA.
Lacks the ability of voice communication Lacks the ability of voice communication but does provide a means of sending text but does provide a means of sending text messages and data communication.messages and data communication.
Inmarsat Mobile NumberInmarsat Mobile Number
Format:
4 MID XXX ZZ
Eg.
425705310
Sending a Distress callSending a Distress call
If the ship is threatened by grave and imminent danger, one can use Inmarsat-C SES to send a distress alert. This alert is routed automatically through a LES to an associated Rescue Co-ordination Centre (RCC).
Distress alert by remote distress Distress alert by remote distress buttonbutton
If your terminal is fitted with a dedicated distress button (or a combination of buttons), you may send a distress alert simply by pressing the button(s) and holding down for the required number of seconds (typically five seconds).
Distress alert by terminal menusDistress alert by terminal menus
Access the distress alert menu on your MES terminal.
Fill in the selections on the menu presented, entering first your vessel’s position
Select the nature of the distress from the list provided.
Select an LES, preferably the one nearest to your vessel within your ocean region.
Send the distress alert.
Wait for an acknowledgment from the LES. If no reply within 5 minutes, repeat the procedure.
Store-and-forward Messaging Store-and-forward Messaging ServicesServices
Telex
Fax
Messages to and from a computer
Ship-to-ship message service
Data Reporting, Polling and SCADAData Reporting, Polling and SCADA
Data reporting allows SES to send short data reports
Typical ship report:
Sailing plan
Position report
Deviation report
Arrival Report
Departure report
INMARSAT-M/BINMARSAT-M/B
IntroductionIntroduction
Inmarsat B was introduced in 1994
High quality telephone, fax, telex and data communications
Single and Multi-channel
Inmarsat M was introduced in 1992
Global telephone communication, fax and data communication
Inmarsat Mobile NumberInmarsat Mobile Number
Format:
Inmarsat- B 3 MID XXX ZZ
Inmarsat- M 6 MID XXX ZZ
Eg.
325705310 (Inmarsat B)
625705310 (Inmarsat M)
Sending Distress Message by TelexSending Distress Message by Telex1. Press and hold down the Distress ‘push-
button’ for at least 6 seconds
2. Wait for automatic connection to the RCC.
3. Type your distress message using the following format:
MAYDAY
Ship’s name and callsign
IMN and Ocean Region Satellite
POSITION
The NATURE OF DISTRESS
Type of ASSISTANCE REQUIRED
OTHER INFORMATION to help rescue units
4. Send the message to the RCC.
MAYDAY
MV BELLA CALLSIGN LBTX1
IMN 325705310 AOR-E
22.45N, 032.23W
ENGINE ROOM FIRE
NEED IMMEDIATE ASSISTANCE
19 CREW. 2 MISSING.
Sending Distress Message by Sending Distress Message by TelephoneTelephone
1. Lift the telephone handset and listen for the dialling tone.
2. Press and hold down the Distress ‘push-button’ for at least 6 seconds.
3. Press the # key to initiate call.
4. When the RCC operator answers, speak clearly and give the following message:
MAYDAY
This is
Ship’s name and callsign
IMN and Ocean Region Satellite
POSITION
The NATURE OF DISTRESS
Type of ASSISTANCE REQUIRED
OTHER INFORMATION to help rescue units
Making a Telephone CallMaking a Telephone Call
Sending a faxSending a fax
Making a Telex CallMaking a Telex CallTelex +
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