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INMARSAT-FLEET 77. In response to the ever increasing need for computer-based, cost effective and secure communications system at sea, Inmarsat has developed advance computer solutions that deliver content-rich data and communications solutions to ships of all sizes: INMARSAT Fleet. Fleet F77
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In response to the ever increasing need for computer-based, cost effective and secure communications system at sea, Inmarsat has developed advance computer solutions that deliver content-rich data and communications solutions to ships of all sizes: INMARSAT Fleet. • Fleet F77 • Fleet F55 • Fleet F33
System Description • The Fleet F77 system is based on digital technology • Can supply digital communication via telephony, fax, mobile ISDN and Mobile Packed Data Service (MPDS)
Fleet 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)
The Inmarsat-C system provides store and forward messaging, distress alerting, EGC broadcasting and data reporting, polling and SCADA. Lacks the ability of voice communication but does provide a means of sending text messages and data communication. System Operation
Inmarsat Mobile Number Format: 4 MID XXX ZZ Eg. 425705310
Sending 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 button • 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 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 Services • Telex • Fax • Messages to and from a computer • Ship-to-ship message service • E-mail
Data 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
Introduction 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 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 Telex 1. 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 Telephone 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
Telex + Making a Telephone Call Sending a fax Making a Telex Call