INMARSAT-FLEET 77

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INMARSAT-FLEET 77
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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

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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)

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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)

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INMARSAT-C
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System Operation

• 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.

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Inmarsat Mobile Number

• Format
• 4 MID XXX ZZ
• Eg.
• 425705310

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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).

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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).

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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 vessels 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.

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Store-and-forward Messaging Services

• Telex
• Fax
• Messages to and from a computer
• Ship-to-ship message service
• E-mail

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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

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INMARSAT-M/B
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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

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Inmarsat Mobile Number

• Format
• Inmarsat- B 3 MID XXX ZZ
• Inmarsat- M 6 MID XXX ZZ
• Eg.
• 325705310 (Inmarsat B)
• 625705310 (Inmarsat M)

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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
• Ships 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.

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MAYDAY MV BELLA CALLSIGN LBTX1 IMN 325705310
AOR-E 22.45N, 032.23W ENGINE ROOM FIRE NEED
IMMEDIATE ASSISTANCE 19 CREW. 2 MISSING.
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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
• Ships name and callsign
• IMN and Ocean Region Satellite
• POSITION
• The NATURE OF DISTRESS
• Type of ASSISTANCE REQUIRED
• OTHER INFORMATION to help rescue units

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Making a Telephone Call
Sending a fax
Making a Telex Call