Ship Type:
Ship Service:
Gross Tonnage:
Date Built:	Day:Month:Year:
Operational Areas:	Sea Areas: Does the ship operate in Sea Area A1 - Within range of a VHF coast station with continuous DSC alerting? Yes No Does the ship operate in Sea Area A2 - Outside Sea Area A1, but within range of an MF coast station with continuous DSC alerting? Yes No Does the ship operate in Sea Area A3 - Outside Sea Areas A1 and A2, but within coverage of an INMARSAT geostationary satellite with continuous alerting? Yes No Does the ship operate in Sea Area A4 - Outside Sea Areas A1, A2, and A3, i.e. polar regions? Yes No NAVTEX service: The ship operates only in areas where International NAVTEX service is provided. The ship operates in some areas where International NAVTEX service is available and in other areas where it is not. The ship operates only in areas where International NAVTEX service is not provided.

Selection Results:

Ship Type:	Passenger Ship Passenger High Speed Craft Oil or Chemical Tanker Gas Carrier Bulk Carrier Cargo High Speed Craft
Service:	International Voyage
Gross Tonnage:
Date of Build:
Operates in:
*Sea Area(s):*	A1 A2 A3 A4
*NAVTEX Service:*

Equipment Required	Source of Requirement	Notes
No communication equipment required under SOLAS	SOLAS Reg.IV/1.1	There are no GMDSS requirments for cargo ships under 300 gross tonnage.
	DSC Code 13.1	Radiocommunication equipment requirements for High Speed Craft and Dynamically Supported Craft built before 1 January 1996, are in Chapter IV of the SOLAS Convention
	2000 HSC Code, 1.3.4.2 1994 HSC Code, 1.3.2.2	There are no High Speed Craft Code requirements applying to cargo craft under 500 gross tonnage. The following requirements come from the SOLAS Convention.
	1991 MODU Code Amendments, 11.3, 11.4.3 1991 MODU Code Amendments, 11.5.1
Duplication of the equipment listed below may be required. See Notes column.	SOLAS Reg.IV/15.7 SOLAS Reg.IV/15.6
	SOLAS Regs.IV/6.3 and 7.1.1 SOLAS Regs.IV/6.3, 7.1.1 and 8.2 SOLAS Regs. IV/6.3, 7.1.1 and 9.4 SOLAS Regs.IV/6.3, 7.1.1 and 10.4
Additional VHF radio capable of transmitting and receiving DSC on channel 70, and radiotelephony on channels 6, 13, and 16.	1991 MODU Code Amendments 11.5.2	Taking into account the different types of accident which may occur on the MODU, the additional radio equipment should be installed in a room or position, which could be the bridge or an emergency control room, situated as far as practicable from the radio equipment fitted in compliance with the preceding requirement, so that no single accident in any part of the MODU could deprive the MODU of all facilities for radiocommunications.
Radio capable of maintaining a continuous DSC watch on VHF channel 70	SOLAS Reg.IV/7.1.2 SOLAS Regs.IV/7.1.2 and 9.4 SOLAS Regs.IV/7.1.2 and 10.4
	SOLAS Reg. III/6.2.1 1991 MODU Code Amendments, 10.13.1
Emergency Position Indicating Radio Beacon (EPIRB)	SOLAS Reg. IV/7.1.6 SOLAS Regs. IV/7.1.6 and 8.3
	SOLAS Regs. III/6.2.2 and IV/7.1.3
NAVTEX Receiver	SOLAS Reg.IV/7.1.4
Inmarsat SafetyNet Receiver	SOLAS Reg.IV/7.1.5	However, ships engaged exclusively on voyages 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 exempt from this requirement.
Distress panel at conning position	SOLAS Reg. IV/6.4	This panel shall contain either one single button which, when pressed, initiates a distress alert using all radiocommunication installations required on board for that purpose or one button for each individual installation. The panel shall clearly and visually indicate whenever any button or buttons have been pressed. Means shall be provided to prevent inadvertent activation of the button or buttons. If the satellite EPIRB is used as the secondary means of distress alerting and is not remotely activated, it shall be acceptable to have an additional EPIRB installed in the wheelhouse near the conning position.
Ship's position input to radiocommunications equipment	SOLAS Reg. IV/6.5	Information on the ship's position shall be continuously and automatically provided to all relevant radiocommunication equipment to be included in the initial distress alert when the button or buttons on the distress panel is pressed.
Distress alarm panel at conning position	SOLAS Reg. IV/6.6	This panel shall provide visual and aural indication of any distress alert or alerts received on board and shall also indicate through which radiocommunication service the distress alerts have been received.
Means for two-way radiocommunication for Search and Rescue purposes using aeronautical frequencies 121.5 MHz and 123.1 MHz	SOLAS Reg. IV/7.5	Facility to be located at the position from which the ship is normally navigated
Radio installation capable of transmitting ship-to-shore distress alerts from the position where the ship is normally navigated	SOLAS Reg. IV/8.1	Requirement may be met by one of the following: VHF radio using DSC, including a VHF-DSC EPIRB installed close to or remotely activated from the position where the ship is normally navigated, or Cospas-Sarsat 406 MHz EPIRB installed close to or remotely activated from the position where the ship is normally navigated, or MF radio using DSC, if the ship is engaged on voyages within the coverage of MF coast stations equipped with DSC, or HF radio using DSC, or Inmarsat ship earth station capable of two-way communication.
MF radio installation	SOLAS Regs. IV/9.1.1, 9.1.2, and 9.2	Capable of transimitting and receiving from the position where the ship is normally navigated, for distress and safety purposes, 2187.5 kHz using DSC, and 2182 kHz using radiotelephony. Radio installation capable of maintaining a continuous DSC watch on 2187.5 kHz.
Additional MF radio capable of transmitting and receiving 2187.5 kHz using DSC, and 2182 kHz using radiotelephony.	1991 MODU Code Amendments 11.5.2.2	Taking into account the different types of accident which may occur on the MODU, the additional radio equipment should be installed in a room or position, which could be the bridge or an emergency control room, situated as far as practicable from the radio equipment fitted in compliance with the preceding requirement, so that no single accident in any part of the MODU could deprive the MODU of all facilities for radiocommunications.
Radio installation capable of initiating ship-to-shore distress alerts from the position where the ship is normally navigated, by radio service other than MF	SOLAS Regs. IV/9.1.3 and 9.2	Requirement may be met by one of the following: Cospas-Sarsat 406 MHz EPIRB installed close to or remotely activated from the position where the ship is normally navigated, or HF radio using DSC, or Inmarsat ship earth station capable of two-way communication.
Capability of transmitting and receiving general radiocommunications using radiotelephony or direct-printing telegraphy.	SOLAS Reg. IV/9.3	Requirement may be met by either: a radio installation capable of operating on working frequencies in the bands between 1605 kHz and 4000 kHz, or between 4000 kHz and 27,500 kHz, or an Inmarsat ship earth station.
Sea area A3 communication equipment - Option 1	SOLAS Reg. IV/10.1 and 10.3	Inmarsat ship earth station capable of - transmitting and receiving distress and safety communications from the position where the ship is normally navigated using direct-printing telegraphy, initiating and receiving distress priority calls from the position where the ship is normally navigated, maintaining watch for shore-to-ship distress alerts, including those directed to specifically defined geographic areas, and transmitting and receiving general radiocommunications, using either radiotelephony or direct-printing telegraphy. MF radio installation capable of transmitting and receiving for distress and safety purposes from the position where the ship is normally navigated, on the frequencies: 2187.5 kHz using DSC, and 2182 kHz using radiotelephony. Radio installation capable of maintaining a continuous DSC watch on 2187.5 kHz. Means of intiating transmission of ship-to-shore distress alerts from the position where the ship is normally navigated via - Cospas-Sarsat 406 MHz EPIRB installed close to or remotely activated from the position where the ship is normally navigated, or HF radio using DSC, or Additional Inmarsat ship earth station.
	-- OR --
Sea area A3 communication equipment - Option 2	SOLAS Reg. IV/10.2 and 10.3	MF/HF radio installation capable of transmitting and receiving from the position where the ship is normally navigated on all distress and safety frequencies in the bands between 1605 kHz and 4000 kHz, and between 4000 kHz and 27,500 kHz using - DSC radiotelephony, and Direct-printing telegraphy. Equipment capable of selecting and maintaining a watch on 2187.5 kHz, 8414.5 kHz, and at least one of the following distress and safety frequencies: 4207.5 kHz, 6312 kHz, 12,577 kHz, or 16,804.5 kHz. Means of intiating the transmission of ship-to-shore distress alerts from the position where the ship is normally navigated by a radiocommunication service other than HF operating either on - Cospas-Sarsat 406 MHz EPIRB installed close to or remotely activated from the position where the ship is normally navigated, or Inmarsat ship earth station. MF/HF radio installation capable of transmitting and receiving general radiocommunications using radiotelphony or direct-printing telegraphy in the bands between 1605 kHz and 4000 kHz, and between 4000 kHz and 27,500 kHz.
In addion to equipment provided under one of the preceding options, an INMARSAT ship earth station capable of transmitting and receiving distress and safety communications using direct-printing telegraphy; initiating and receiving distress priority calls; maintaining watch for shore-to-ship distress alerts, including those directed to specifically defined geographical areas; transmitting and receiving general radio communications, using either radiotelephony or direct-printing telegraphy; and an MF radio installation capable of transmitting and receiving, for distress and safety purposes, on the frequencies 2,187.5 kHz using DSC; and 2,182 kHz using radiotelephony. -- OR -- An MF/HF radio installation capable of transmitting and receiving, for distress and safety purposes, on all distress and safety frequencies in the bands between 1,605 kHz and 4,000 kHz and between 4,000 kHz and 27,500 kHz using DSC; using radiotelephony; and using direct-printing telegraphy.	1991 MODU Code Amendments 11.5.2.3	Taking into account the different types of accident which may occur on the MODU, the additional radio equipment should be installed in a room or position, which could be the bridge or an emergency control room, situated as far as practicable from the radio equipment fitted in compliance with the preceding requirement, so that no single accident in any part of the MODU could deprive the MODU of all facilities for radiocommunications.
Sea area A4 communication equipment	SOLAS Reg. IV/11.1, and 10.2 and 10.3 by reference.	MF/HF radio installation capable of transmitting and receiving from the position where the ship is normally navigated on all distress and safety frequencies in the bands between 1605 kHz and 4000 kHz, and between 4000 kHz and 27,500 kHz using - DSC radiotelephony, and Direct-printing telegraphy. Equipment capable of selecting and maintaining a watch on 2187.5 kHz, 8414.5 kHz, and at least one of the following distress and safety frequencies: 4207.5 kHz, 6312 kHz, 12,577 kHz, or 16,804.5 kHz. Means of intiating the transmission of ship-to-shore distress alerts from the position where the ship is normally navigated by a Cospas-Sarsat 406 MHz EPIRB installed close to or remotely activated from the position where the ship is normally navigated. MF/HF radio installation capable of transmitting and receiving general radiocommunications using radiotelphony or direct-printing telegraphy in the bands between 1605 kHz and 4000 kHz, and between 4000 kHz and 27,500 kHz.
Additional MF/HF radio installation capable of transmitting and receiving, for distress and safety purposes, on all distress and safety frequencies in the bands between 1,605 kHz and 4,000 kHz and between 4,000 kHz and 27,500 kHz using DSC; using radiotelephony; and using direct-printing telegraphy.	1991 MODU Code Amendments 11.5.2.4	Taking into account the different types of accident which may occur on the MODU, the additional radio equipment should be installed in a room or position, which could be the bridge or an emergency control room, situated as far as practicable from the radio equipment fitted in compliance with the preceding requirement, so that no single accident in any part of the MODU could deprive the MODU of all facilities for radiocommunications.
Ship Security Alert System (SSAS)	SOLAS Reg. XI-2/6.1.1 SOLAS Reg. XI-2/6.1.2 SOLAS Reg. XI-2/6.1.3 SOLAS Reg. XI-2/6.1.4
System to automatically transmit Long-Range Identification and Tracking (LRIT) information	SOLAS Reg. V/19-1.4.1	LRIT information consists of: .1 the identity of the ship; .2 the position of the ship (latitude and longitude); and .3 the date and time of the position provided .1 the identity of the ship; .2 the position of the ship (latitude and longitude); and .3 the date and time of the position provided .1 the identity of the ship; .2 the position of the ship (latitude and longitude); and .3 the date and time of the position provided
Duplication of the equipment listed below may be required. See Notes column.	2000 HSC Code, 14.15.7 1994 HSC Code, 14.14.7 2000 HSC Code, 14.15.6 1994 HSC Code, 14.14.6
	2000 HSC Code, 14.6.3 and 14.7.1.1 1994 HSC Code, 14.5.3 and 14.6.1.1	Control of the VHF radiotelephone channels, required for navigational safety, shall be immediately available on the navigating bridge convenient to the conning position and, where necessary, facilities should be available to permit radiocommunications from the wings of the navigating bridge. Portable VHF equipment may be used to meet the latter provision. It shall be possible to initiate the transmission of distress alerts on channel 70 from the position from which the ship is normally navigated.
Radio capable of maintaining a continuous DSC watch on VHF channel 70	2000 HSC Code 14.7.1.2 1994 HSC Code, 14.6.1.2	May be separate from, or combined with VHF radio required under SOLAS Reg.IV/7.1.1
At least three two-way survival craft VHF radiotelephone apparatus	2000 HSC Code 8.2.1.1 1994 HSC Code, 8.2.1.1
Emergency Position Indicating Radio Beacon (EPIRB)	2000 HSC Code 14.7.1.6 1994 HSC Code, 14.6.1.6 2000 HSC Code 14.7.1.6 and 14.8.3 1994 HSC Code, 14.6.1.6 and 14.7.3
One 9search and rescue locating device ('SART' or 'AIS-SART') on each side of the craft	2000 HSC Code 8.2.1.2 and 14.7.1.3 1994 HSC Code, 8.2.1.2 and 14.6.3	The search and rescue locating devices shall be stowed in such locations that they can be easily utilized and rapidly placed in any of the liferafts. Alternatively one search and rescue locating device shall be stowed in each survival craft.
NAVTEX Receiver	2000 HSC Code 14.7.1.4 1994 HSC Code 14.6.1.4
Inmarsat SafetyNet Receiver	2000 HSC Code 14.7.1.5 1994 HSC Code 14.6.1.5	However, craft engaged exclusively on voyages 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 exempt from this requirement.
Distress panel at conning position	2000 HSC Code 14.6.4	This panel shall contain either one single button which, when pressed, initiates a distress alert using all radiocommunication installations required on board for that purpose or one button for each individual installation. The panel shall clearly and visually indicate whenever any button or buttons have been pressed. Means shall be provided to prevent inadvertent activation of the button or buttons. If the satellite EPIRB is used as the secondary means of distress alerting and is not remotely activated, it shall be acceptable to have an additional EPIRB installed in the wheelhouse near the conning position.
Ship's position input to radiocommunications equipment	2000 HSC Code 14.6.5	Information on the craft's position shall be continuously and automatically provided to all relevant radiocommunication equipment to be included in the initial distress alert when the button or buttons on the distress panel is pressed.
Distress alarm panel at conning position	2000 HSC Code 14.6.6	This panel shall provide visual and aural indication of any distress alert or alerts received on board and shall also indicate through which radiocommunication service the distress alerts have been received.
Means for two-way radiocommunication for Search and Rescue purposes using aeronautical frequencies 121.5 MHz and 123.1 MHz	2000 HSC Code 14.7.2	Facility to be located at the position from which the ship is normally navigated.
Radio installation capable of transmitting ship-to-shore distress alerts from the position where the craft is normally navigated	2000 HSC Code 14.8.1 1994 HSC Code 14.7.1	Requirement may be met by one of the following: VHF radio using DSC, including a VHF-DSC EPIRB installed close to or remotely activated from the position where the craft is normally navigated (Note: It is not believed that a Channel 70 VHF-DSC EPIRB has ever been produced.), or Cospas-Sarsat 406 MHz EPIRB installed close to or remotely activated from the position where the craft is normally navigated, or MF radio using DSC, if the ship is engaged on voyages within the coverage of MF coast stations equipped with DSC, or HF radio using DSC, or Inmarsat ship earth station capable of two-way communication.
MF radio installation		Capable of transimitting and receiving from the position where the craft is normally navigated, for distress and safety purposes, 2187.5 kHz using DSC, and 2182 kHz using radiotelephony. Radio installation capable of maintaining a continuous DSC watch on 2187.5 kHz.
Radio installation capable of initiating ship-to-shore distress alerts from the position where the craft is normally navigated, by radio service other than MF	2000 HSC Code 14.9.1.3 and 14.9.2 1994 HSC Code 14.8.1.3, and 14.8.2	Requirement may be met by one of the following: Cospas-Sarsat 406 MHz EPIRB installed close to or remotely activated from the position where the craft is normally navigated, or HF radio using DSC, or Inmarsat ship earth station capable of two-way communication.
Capability of transmitting and receiving general radiocommunications using radiotelephony or direct-printing telegraphy.	2000 HSC Code 14.9.3 1994 HSC Code 14.8.3	Requirement may be met by either: a radio installation capable of operating on working frequencies in the bands between 1605 kHz and 4000 kHz, or between 4000 kHz and 27,500 kHz, or an Inmarsat ship earth station.
Sea area A3 communication equipment - Option 1	2000 HSC Code 14.10.1 and 14.10.3 1994 HSC Code 14.9.1 and 14.9.3	Inmarsat ship earth station capable of - transmitting and receiving distress and safety communications from the position where the craft is normally navigated using direct-printing telegraphy, initiating and receiving distress priority calls from the position where the craft is normally navigated, maintaining watch for shore-to-ship distress alerts, including those directed to specifically defined geographic areas, and transmitting and receiving general radiocommunications, using either radiotelephony or direct-printing telegraphy. MF radio installation capable of transmitting and receiving for distress and safety purposes from the position where the craft is normally navigated, on the frequencies: 2187.5 kHz using DSC, and 2182 kHz using radiotelephony. Radio installation capable of maintaining a continuous DSC watch on 2187.5 kHz. Means of intiating transmission of ship-to-shore distress alerts from the position where the craft is normally navigated via - Cospas-Sarsat 406 MHz EPIRB installed close to or remotely activated from the position where the craft is normally navigated, or HF radio using DSC, or Additional Inmarsat ship earth station.
	-- OR --
Sea area A3 communication equipment - Option 2	2000 HSC Code 14.10.2 and 14.10.3 1994 HSC Code 14.9.2 and 14.9.3	MF/HF radio installation capable of transmitting and receiving from the position where the craft is normally navigated on all distress and safety frequencies in the bands between 1605 kHz and 4000 kHz, and between 4000 kHz and 27,500 kHz using - DSC radiotelephony, and Direct-printing telegraphy. Equipment capable of selecting and maintaining a watch on 2187.5 kHz, 8414.5 kHz, and at least one of the following distress and safety frequencies: 4207.5 kHz, 6312 kHz, 12,577 kHz, or 16,804.5 kHz. Means of intiating the transmission of ship-to-shore distress alerts from the position where the craft is normally navigated by a radiocommunication service other than HF operating either on - Cospas-Sarsat 406 MHz EPIRB installed close to or remotely activated from the position where the craft is normally navigated, or Inmarsat ship earth station. MF/HF radio installation capable of transmitting and receiving general radiocommunications using radiotelphony or direct-printing telegraphy in the bands between 1605 kHz and 4000 kHz, and between 4000 kHz and 27,500 kHz.
Sea area A4 communication equipment		MF/HF radio installation capable of transmitting and receiving from the position where the craft is normally navigated on all distress and safety frequencies in the bands between 1605 kHz and 4000 kHz, and between 4000 kHz and 27,500 kHz using - DSC radiotelephony, and Direct-printing telegraphy. Equipment capable of selecting and maintaining a watch on 2187.5 kHz, 8414.5 kHz, and at least one of the following distress and safety frequencies: 4207.5 kHz, 6312 kHz, 12,577 kHz, or 16,804.5 kHz. Means of intiating the transmission of ship-to-shore distress alerts from the position where the craft is normally navigated by a Cospas-Sarsat 406 MHz EPIRB installed close to or remotely activated from the position where the craft is normally navigated. MF/HF radio installation capable of transmitting and receiving general radiocommunications using radiotelphony or direct-printing telegraphy in the bands between 1605 kHz and 4000 kHz, and between 4000 kHz and 27,500 kHz.
Ship Security Alert System (SSAS)	SOLAS Reg. XI-2/6.1.1 SOLAS Reg. XI-2/6.1.2 SOLAS Reg. XI-2/6.1.4
System to automatically transmit Long-Range Identification and Tracking (LRIT) information	SOLAS Reg. V/19-1.4.1	LRIT information consists of: .1 the identity of the ship; .2 the position of the ship (latitude and longitude); and .3 the date and time of the position provided. .1 the identity of the ship; .2 the position of the ship (latitude and longitude); and .3 the date and time of the position provided. .1 the identity of the ship; .2 the position of the ship (latitude and longitude); and .3 the date and time of the position provided.
	1991 MODU Code Amendments, 11.4.2	Manned units under tow by vessels that comply with Chapter IV of the SOLAS Convention (GMDSS), are to meet the provisions concerning radio stations in the SOLAS Convention identifed below. The term 'from the position the ship is normally navigated' should be applied as meaning 'from a position which is continuously manned and which is controlling the MODU while under tow'. Most of the following requirements come from the SOLAS Convention.
VHF radio capable of transmitting and receiving DSC on channel 70, and radiotelephony on channels 6, 13, and 16	SOLAS Reg. IV/7.1.1	Notes
Radio capable of maintaining a continuous DSC watch on VHF channel 70	SOLAS Reg.IV/7.1.2	May be separate from, or combined with VHF radio required under SOLAS Reg.IV/7.1.1
MF radio installation	SOLAS Regs. IV/9.1.1, and 9.1.2	Capable of transimitting and receiving from the position where the ship is normally navigated, for distress and safety purposes, 2187.5 kHz using DSC, and 2182 kHz using radiotelephony. Radio installation capable of maintaining a continuous DSC watch on 2187.5 kHz
All lifeboats should carry a two-way VHF radiotelephone apparatus. In addition, at least two such apparatuses should be available on the MODU.	1991 MODU Code Amendments, 10.13.1	The two additonal apparatuses should be so stowed that they can be rapidly placed in any liferaft.
Emergency Position Indicating Radio Beacon (EPIRB)	SOLAS Reg. IV/7.1.6	EPIRB operating through 406 MHz Cospas-Sarsat system.
All lifeboats should carry a search and rescue locating device (SART or AIS-SART). In addition, at least two search and rescue locating devices should be available on the MODU.	1991 MODU Code Amendements, 10.13.2	The two additional search and rescue locating devices should be so stowed that they can be rapidly placed in any liferaft.
NAVTEX Receiver	SOLAS Reg.IV/7.1.4
Inmarsat SafetyNet Receiver	SOLAS Reg.IV/7.1.5	However, units engaged exclusively on voyages 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 exempt from this requirement
Ship Security Alert System (SSAS)	SOLAS Reg. XI-2/6.1.1 SOLAS Reg. XI-2/6.1.4
System to automatically transmit Long-Range Identification and Tracking (LRIT) information	SOLAS Reg. V/19-1.4.1	LRIT information consists of: .1 the identity of the ship; .2 the position of the ship (latitude and longitude); and .3 the date and time of the position provided. .1 the identity of the ship; .2 the position of the ship (latitude and longitude); and .3 the date and time of the position provided. .1 the identity of the ship; .2 the position of the ship (latitude and longitude); and .3 the date and time of the position provided.

© Radio Technical Commission for Maritime Services (RTCM), 1621 N. Kent St. Suite 705, Arlington, VA 22209 USA www.rtcm.org

* MODU means "Mobile Offshore Drilling Unit.&quot
** DSC means "Digital Selective Calling" -- a technique using digital codes which enables a radio station to establish contact with, and transfer information to, another station or group of stations.

How to use this guide:	Enter the description of the ship of interest in the form above. Click on "Display required GMDSS communication systems". The GMDSS communication systems required will appear in a new window. Click the "Calculate another ship" button on the list to return to this page to create a list for a different ship.

Type, Service, and Date Built:	As defined by the SOLAS Convention.

Information on Sea Areas:	GMDSS Sea Area page - U.S. Coast Guard Navigation Center GMDSS page - Canadian Coast Guard

Information on NAVTEX Service Areas:	NAVTEX Database - ICS Electronics, Ltd. NAVTEX in the United States - U.S. Coast Guard Navigation Center NAVTEX in the United Kingdom - Her Majesty's Coastguard (HMCG)

About this guide:	The GMDSS communication equipment requirements in this guide come from Chapter IV, and also Chapters III and IX-2 of the International Convention for the Safety of Life at Sea (SOLAS), and include the SOLAS requirements up to and including the amendments adopted in 2004, which came into force 1 July 2006.

Comments and Questions:	[email protected]

Permissions:	RTCM welcomes external links to this Web page. If this Web page or parts thereof are incorporated into another site, credit "Radio Technical Commission for Maritime Services (RTCM)" and include a link to our site (www.rtcm.org).

Version 1.0:	Initial public release - SOLAS requirements

Version 1.1:	High Speed Craft Code and MODU Code requirements added. Note on maintenance and duplication of equipment added.

Version 1.2:	June 2007: Added Long Range Identification and Tracking (LRIT). Corrected towed/escorted MODU requirements. Removed references to Inmarsat E EPIRBs. Minor errors corrected.

Version 1.3:	July 2010: Changed "radar transponder" terminology to "search and rescue locating device" and added references to AIS-SART were just SART appeared.

Guide to International Requirements for Global Maritime Distress and Safety System (GMDSS) Communication Equipment v. 1.3

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Guide to International Requirements for Global Maritime Distress and Safety System (GMDSS) Communication Equipment v. 1.3

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