Comparison between old distress system and GMDSS
Reliance on ships in vicinity
Worldwide coverage
Because of the inherently limited range of
transmission on the distress and calling
frequencies of 500 and 2182 kHz, which were
commonly used for that purpose, there was a
possibility that a call for assistance would not be
heard if other vessels and coastal stations were
outside the range.
GMDSS vessels carry the communications
equipment appropriate for the Sea Area they are
operating, and have the means to transmit long-
range communication whenever necessary. This
means that a call for assistance can reach a
coastal station, and other ships at a far distance.
Equipment compatibility
It was only possible for a vessel in distress to ask
other vessels in the vicinity for assistance, due to
the limited range of communication means.
Worse, the communication incompatibility
between a telegraphy vessel and a telephony
vessel hindered subsequent Search and Rescue
operations.
Since all GMDSS vessels carry standardized
equipment for the Sea Area, and they are
operating in the same frequencies, the
compatibility between the SAR coordinator at a
coastal station and a vessel is assured.
Special skill to operate
Simple and automatic operation
Radio officers had to send distress calls in Morse
Code on 500 kHz through complicated operations,
which include: switching and/or adjusting the
transmitters. A successful distress attempt relied
heavily on the skill of the radio officers.
GMDSS equipment, on the other hand, provides
straightforward operation in time of emergency
simply by pressing the distress button on the VHF,
MF/HF DSC or Inmarsat MES. If this cannot be
done, a float-free EPIRB can transmit a distress
alert.
2
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Carriage/functional requirements for GMDSS
General functional requirements for GMDSS
5 Transmission/reception of on-scene communications;
6 Transmission/reception of SART signals for locating;
7 Transmission/reception of maritime safety information;
8 Transmission/reception of general radiocommunications to
and from shore-based radio systems or networks; and
9 Transmission/reception of bridge-to-bridge communications.
1 Transmission of ship-to-shore distress alerts by at least
two separate and independent means, using different
radiocommunication service;
2 Reception of shore-to-ship distress alerts;
3 Transmission/reception of ship-to-ship distress alerts;
4 Transmission/reception of search and rescue co-ordinating
communications;
System suggestions for GMDSS
General requirement for equipment and functions for all ships irrespective
of the operating sea area
Search and rescue locating
(SART: either by radar transponder
Two-way VHF radiotelephone apparatus
device
operating in the 9 GHz band or AIS-SART)
At least two two-way VHF radiotelephone
apparatus required for cargo ships of 300-500 GT
At least three two-way VHF radiotelephone
apparatus required for all passenger ships and
cargo ships of 500 GT and upwards
At least one SART required for cargo
ships of 300-500 GT
At least two SART required for all
passenger ships and cargo ships of
500 GT and upwards
VHF radiotelephone with DSC and DSC Watch Receiver capable of:
◆ Transmission/reception of DSC on CH 70 (156.525 MHz);
◆ Transmission/reception of radiotelephony on CH 6 (156.300 MHz), CH 13 (156.650 MHz)
and CH 16 (156.800 MHz); and
◆ Continuous watch on CH 70 (156.525 MHz)
Model: FM-8900S
406 MHz EPIRB
International NAVTEX Receiver
(Emergency Position
Indicating Radio Beacon)
Model: NX-700
Inmarsat EGC receiver
Required if the ships operate within Inmarsat coverage but outside the international NAVTEX service area. However,
ships operating exclusively in areas where an HF direct-printing telegraphy maritime safety information service is
provided and fitted with equipment capable of receiving such service may be exempted from this requirement.
Arrangements required only for all passenger ships
Permanently arranged electrical
lighting for illuminating
the control panel of the
radiocommunications
equipment
Two-way radiotelephone for on-scene search and rescue communication using
frequencies 121.5 MHz and 123.1 MHz
A distress panel at the conning position
If the satellite EPIRB is used as the secondary means
of distress alerting and not remotely activated, it is
acceptable to have an additional EPIRB installed close
to the conning position.
Automatic provision of position
from an internal or external
navigation sensor for all two-
way communication equipment
that includes ship's position in
the distress alert
Model: IC-350
Automatic and continuous update of position for all relevant radiocommunication
equipment to be included in the initial distress alert activated through the distress panel
3
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Additional equipment to be installed on ships operating in the Sea Areas:
Note: There is no additional equipment required for ships operating exclusively in the Sea Area A1
Functional requirements to be fulfilled by FS-xx75:
MF/HF radiotelephone with
◆ Distress and safety communications on MF
(2,187.5 kHz using DSC* and 2,182 kHz using radiotelephony)
*It should be possible that transmission of distress alerts be initiated from the navigation bridge.
built-in
DSC/DSC Watch Receiver
◆ Continuous DSC watch on the frequency 2,187.5 kHz
◆ Transmission and reception of general
communications using radiotelephony or
direct-printing telegraphy**
**For areas where there is no coastal radio station
handling MF/HF general communications, Inmarsat-C
mobile earth station may be used to fulfill the
requirement for general communications.
FS-1575/2575/5075
Other functional requirements
Inmarsat-C Mobile Earth Station
FELCOM18
Transmission of ship-to-shore distress
alerts by radio service other than MF
(to be fulfilled by 406 MHz satellite
EPIRB)
Maintenance requirement for ships operating in Sea Area
and
In order to ensure the maintenance requirements specified in SOLAS Reg. IV/15,
one of the following measures should be taken as may be approved by the flag
administrations:
DUPLICATION OF EQUIPMENT
REQUIRED FOR SHIPS
OPERATING IN SEA AREA A1 and A2
• Duplication of equipment;
• Shore-based maintenance; or
• At sea electronic maintenance capability
Please consult with the flag administrations for details.
VHF radiotelephone with
built-in
DSC/DSC Watch Receiver
FM-8900S
4
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Carriage/functional requirements for GMDSS
Additional equipment to be installed on ships operating in the Sea Areas:
Inmarsat Solution
Inmarsat-C Mobile Earth Station
MF/HF radiotelephone with
built-in
DSC/DSC Watch Receiver
FS-1575/2575/5075
FELCOM18
Functional requirements to be fulfilled by FELCOM18*:
Functional requirements to be fulfilled by FS-xx75*:
◆ Transmission and reception of distress and safety
◆ Distress and safety communications using
the following frequencies:
communications using direct-printing telegraphy
• 2,187.5 kHz using DSC and continuous DSC watch
• 2,182 kHz using radiotelephony
*It should be possible that transmission of distress
alerts be initiated from the navigation bridge.
◆ Initiation and reception of distress priority calls
◆ Continuous watch on shore-to-ship distress alerts,
incl. those directed to specially defined geographical area
◆ Transmission and reception of general communications
using either radiotelephony or direct printing telegraphy
*It should be possible that transmission of distress alerts be
initiated from the navigation bridge.
Other functional requirements
Initiation of transmission of ship-to-shore distress alerts* to be fulfilled by one of the followings:
◆ 406 MHz satellite EPIRB ◆ HF using DSC ◆ Inmarsat-C Mobile Earth Station
*It should be possible that transmission of distress alerts be initiated from the navigation bridge.
OR
MF/HF Solution
Inmarsat-C Mobile Earth Station
MF/HF radiotelephone with
NBDP Terminal
built-in
DSC/DSC Watch Receiver
FS-1575/2575/5075
IB-585
FELCOM18
Functional requirements to be fulfilled by FS-xx75* plus IB-585:
Functional requirements to be
fulfilled by FELCOM18*:
◆ Distress and safety communications on all distress and safety frequencies
on MF and HF bands
◆ Initiation of the transmission of
using DSC
using radiotelephony
using direct printing telegraphy
ship-to-shore distress alert by radio
services other than HF
◆ Continuous DSC watch on 2,187.5 kHz, 8,814.5 kHz, and on at least
one of the distress and safety frequencies:
*It should be possible that transmission
of distress alerts be initiated from the
navigation bridge.
4,207.5 kHz, 6,312 kHz, 12,577 kHz or 16,804.5 kHz
◆ Trasnsmission and reception of general radio communications using
radiotelephony or direct-printing telegraphy by MF/HF radio installation
*It should be possible that transmission of distress alerts be
initiated from the navigation bridge.
5
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Maintenance requirement for ships operating in Sea Area
In order to ensure the availability of the maintenance requirements specified in
SOLAS Reg. IV/15.7, combination of at least two of the following methods should be
taken as may be approved by the flag administrations, while taking into account the
recommendation specified in IMO A.702(17):
duplication of equipment;
• shore-based maintenance; or
• at-sea electronic maintenance capability.
All ships irrespective of the methods used should make all manufacturers’ installation
manuals and maintenance manuals for all the equipment installed available.
Adequate tools, spare parts and test equipment appropriate to the methods used
by the ship, as specified by the flag administration should be provided and readily
available onboard.
Duplication of equipment
1. VHF radio installation capable of
transmitting/receiving DSC on CH 70 as
well as radiotelephony on CH 6, 13 and
16 as well as contionuous DSC
watch on CH 70 and either of the radio
installations listed as 2-a or 2-b below
should be arranged onboard:
VHF radiotelephone with
built-in
DSC/DSC Watch Receiver
FM-8900S
2-a. MF/HF radio installation for distress and
safety communications on the frequency
bands between 1,605 kHz and 4,000 kHz
and between 4,000 kHz and 27,500 kHz,
using DSC, radiotelephony and direct-
printing telegraphy. Continuous DSC watch
on 2,187.5 kHz, 8,814.5 kHz and on at least
one of the distress and safety frequencies:
4,207.5 kHz, 6,312 kHz, 12,577 kHz or
16,804.5 kHz is also required.
2-b. Inmarsat MES capable of
transmission/reception of distress and
safety communications using direct-
printing telegraphy, initiation/reception
of distress primary calls, continuous
watch on shore-to-ship distress
alerts, incl. those directed to specifically
defined geographical area, and
transmission/reception of general
communications using either
radiotelephony or direct-printing telegraphy
OR
MF/HF radiotelephone with
built-in
DSC/DSC Watch Receiver
NBDP Terminal
Inmarsat-C Mobile Earth Station
FS-1575/2575/5075
IB-585
FELCOM18
Shore-based maintenance
At-sea electronic maintenance capability
An arrangement acceptable to
the flag administration should be
established to ensure adequate
support of the ship for the
Adequate additional technical documentations, tools, spare parts and test equipment
consistent with radio installation and as approved by the flag administration should be
provided onboard so that the maintainer can perform tests and localize and repair faults in
the radio equipment while at sea.
maintenance and repair of the
radio installations, i.e., service
agreement with a capable service
provider covering the trading area
of the ship.
The person who is to conduct at-sea electronic maintenance should either hold an
appropriate certificate as specified by the Radio Regulations or have equivalent at-sea
electronic maintenance qualifications as may be approved by the flag administration, taking
into account the recommendation specified in Annex 5 of IMO A.703(17).
6
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Carriage/functional requirements for GMDSS
Additional equipment to be installed on ships operating in the Sea Areas:
NBDP Terminal
MF/HF radiotelephone with
built-in
DSC/DSC Watch Receiver
FS-1575/2575/5075
IB-585
Functional requirements to be fulfilled by FS-xx75* plus IB-585:
◆ Distress and safety communications on all distress and safety frequencies
on MF and HF bands
• using DSC
• using radiotelephony
• using direct printing telegraphy
◆ Continuous DSC watch on 2,187.5 kHz, 8,814.5 kHz, and on at least
one of the distress and safety frequencies:
4,207.5 kHz, 6,312 kHz, 12,577 kHz or 16,804.5 kHz
◆ Trasnsmission and reception of general radio communications using
radiotelephony or direct-printing telegraphy by MF/HF radio installation
*It should be possible that transmission of distress alerts be initiated from the navigation bridge.
Other functional requirements:
◆ Initiation of the transmission of ship-to-shore distress alert by radio services other than HF**
MESS ccaannnnotsatisfytherequirement,,andthisshalleadtoththeeaassssumptionthat406MHz
Satellite EPIRB is the only option available to satisfy the functional requirement.
7
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Maintenance requirement for ships operating in Sea Area
and
In order to ensure the availability of the maintenance requirements specified in SOLAS Reg. IV/15.7, combination of at least
two of the following methods should be taken as may be approved by the flag administrations, while taking into account the
recommendation specified in IMO A.702(17):
• duplication of equipment;
• shore-based maintenance; or
• at-sea electronic maintenance capability.
All ships irrespective of the methods used should make all manufacturers’ installation manuals and maintenance manuals
for all the equipment installed available. Adequate tools, spare parts and test equipment appropriate to the methods used
by the ship, as specified by the flag administration should be provided and readily available onboard.
Duplication of equipment
1. VHF radio installation capable of
transmitting/receiving DSC on CH 70 as
well as radiotelephony on CH 6, 13 and
16 as well as contionuous DSC watch
on CH 70, and
VHF radiotelephone with
built-in
DSC/DSC Watch Receiver
FM-8900S
2. MF/HF radio installation for distress and
safety communications on the frequency
bands between 1,605 kHz and 4,000
kHz and between 4,000 kHz and 27,500
kHz, using DSC, radiotelephony and
direct-printing telegraphy. Continuous
DSC watch on 2,187.5 kHz, 8,814.5 kHz
and on at least one of the distress and
safety frequencies: 4,207.5 kHz, 6,312
kHz, 12,577 kHz or 16,804.5 kHz is also
required.
MF/HF radiotelephone with
built-in
DSC/DSC Watch Receiver
NBDP Terminal
FS-1575/2575/5075
IB-585
Shore-based maintenance
At-sea electronic maintenance capability
An arrangement acceptable to
the flag administration should be
established to ensure adequate
support of the ship for the
Adequate additional technical documentations, tools, spare parts and test equipment
consistent with radio installation and as approved by the flag administration should be
provided onboard so that the maintainer can perform tests and localize and repair faults
in the radio equipment while at sea.
maintenance and repair of the
radio installations, i.e., service
agreement with a capable service
provider covering the trading area
of the ship.
The person who is to conduct at-sea electronic maintenance should either hold an
appropriate certificate as specified by the Radio Regulations or have equivalent at-sea
electronic maintenance qualifications as may be approved by the flag administration,
taking into account the recommendation specified in Annex 5 of IMO A.703(17).
Note:
For ships operating in the sea area A4 only
occasionally but mostly operating in A3,
Inmarsat C MES may be installed for duplication in
lieu of MF/HF radiotelephone with built-in DSC plus
NBDP terminal, provided that the ship has originally
MF/HF radio installation.
VHF radiotelephone with built-in
DSC/DSC Watch Receiver
Inmarsat-C Mobile Earth Station
FM-8900S
FELCOM18
8
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F U R U N O G M D S S E Q U I P M E N T
F O R R E L I A B L E C O M M U N I C A T I O N
VHF Radiotelephone
MODEL: FM-8900S
Semi-duplex 25-Watt radiotelephone with a built-in Class-A
DSC and CH70 watch receiver
Fully meets GMDSS carriage requirements for SOLAS ships
Meets the new ITU reccomendation on digital selective calling
system for use in the Maritime Mobile Service, ITU-R M.493-13
Easy to read, high-contrast 4.3" bright color LCD
Enhanced noise reduction and speaker for superb voice quality
Automatic entry of own ship position and time through the
interfaced GPS receiver
ATIS signal transmission available for inland waterways
Dual-channel NAVTEX Receiver
(message display and a printer)
MODEL: NX-700A
(message display unit only)
NX-700B
Fully meets IMO resolution MSC.148(77), IEC 61097-6 Ed.2
Dual channel reception, 518 kHz and either 490 or 4209.5 kHz,
simultaneously
Incorporate a printing device (NX-700A) or dedicated display
device with printer output (NX-700B)
200 messages of average length 500 characters can be stored
in non-volatile memory
Incorporates a preamp within a lightweight, compact antenna
for reliable, uninterrupted reception
Low power consumption
Inmarsat-C Mobile Earth Station
MODEL: FELCOM18
Inmarsat-C Mobile Earth Station terminal for GMDSS
application
Full GMDSS compliance with optional printer and AC/DC power
supply
SSAS capability with SSAS Alert Unit
Compatibility with LRIT application
A wide variety of communication schemes available: telex,
FAX, emailing, EGC, data reporting/polling, etc.
SD card for recording media
9
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MF/HF Radiotelephone
(150 W)
(250 W)
(500 W)
MODELS: FS-1575
, FS-2575
, FS-5075
MF/HF radiotelephone with DSC facility
Fully meets GMDSS carriage requirements for SOLAS ships
operating in A3 and A4 sea areas
Meets the new ITU reccomendation on digital selective calling
system for use in the Maritime Mobile Service, ITU-R M.493-13
Easy to read, high-contrast 4.3" bright color LCD
Capable of distress, safety and routine communication
NBDP Terminal Unit
MODEL: IB-585
The IB-585 NBDP
terminal facilitates telex
communication. File
management, text editor
and utility programs ensure
straightforward operation.
GMDSS Radio Station
MODEL: RC-1800F2
The RC-1800F2 contains all the necessary
radio equipment for ships operating in the
GMDSS sea areas A1, A2 and A3. The
availability of radio communications is assured
by the equipment duplication as specified in
the previous page. This package delivers the
operation scheme that is straightforward in
addition to streamlined installation on new
builds as well as retrofitting.
The communication equipment within the RC-
1800F2 includes:
Printer for Inmarsat-C
Printer for DSC/NBDP
Inmarsat-C Mobile Earth Station
MF/HF radiotelephone
NBDP Terminal
10
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All brand and product names are registered trademarks, trademarks
or service marks of their respective holders.
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
FURUNO ELECTRIC CO., LTD. FURUNO DANMARK A/S
FURUNO DEUTSCHLAND GmbH FURUNO HELLAS S.A.
FURUNO KOREA CO., LTD.
Nishinomiya, Hyogo, Japan
Hvidovre, Denmark
Rellingen, Germany
Glyfada, Greece
Busan, Korea
(
)
RICO PTE LTD
FURUNO U.S.A., INC.
Camas, Washington, U.S.A.
FURUNO SVERIGE AB
Västra Frölunda, Sweden
FURUNO FRANCE S.A.S.
Bordeaux-Mérignac, France
FURUNO (CYPRUS) LTD
Limassol, Cyprus
Singapore
(
)
FURUNO UK LIMITED
Havant, Hampshire, U.K.
FURUNO FINLAND OY
Espoo, Finland
www.furuno.fi
FURUNO ESPAÑA S.A.
Madrid, Spain
FURUNO EURUS LLC
St. Petersburg, Russian Federation
FURUNO NORGE A/S
Ålesund, Norway
FURUNO POLSKA Sp. Z o.o. FURUNO ITALIA S.r.l.
FURUNO SHANGHAI CO., LTD.
Shanghai, China
14073SK Printed in Japan
Catalogue No. GC-019n
Gdynia, Poland
Genoa, Italy
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