GOC 5. EXAMINATION SYLLABUS
The information contained in Sections 5.1 and 5.2 has been extracted from
Annex 1 of the text of the recommendation proposed by the Working Group
“Radio Regulatory” (RR) for the Harmonised Examination Procedures for the
General Operator’s Certificate (GOC) – Recommendation T/R 31-03 E (Bonn
1993) – Edition of 1st May 1993 and ERC Decision Annex 1 of ERC/DEC/(99)01
of 10 March 1999.
GOC 5.1 Examination Syllabus for the GMDSS General Operator’s Certificate (GOC)
The examination should consist of theoretical and practical tests and shall
include at least:
5.1.1 Knowledge of the General Principles and Basic Features of:
(a) The Maritime Mobile Service.
(b) The Maritime Mobile -Satellite Service.
5.1.2 Detailed Practical Knowledge and Ability to use the Basic
Equipment of a Ship Station:
(a) Practical use of the basic equipment of a ship station.
(b) Digital Selective Calling (DSC).
(c) General principles of Narrow Band Direct Printing (NBDP) and Telex Over
Radio (TOR) Systems. Ability to use maritime NBDP and TOR equipment
in practice.
(d) Usage of Inmarsat Systems. Inmarsat equipment or simulator in
practice.
(e) Fault locating.
5.1.3 Operational Procedures and Detailed Practical Operation of GMDSS
Systems and Sub-Systems:
(a) Global Maritime Distress and Safety Systems (GMDSS).
(b) Inmarsat.
(c) NAVTEX.
(d) Emergency Position Indicating Radio Beacons (EPIRBs).
(e) Search and Rescue Radar Transponder (SART).
(f) Distress, Urgency and Safety Communication Procedures in the GMDSS.
(g) Distress, Urgency and Safety communications with non-SOLAS ships
which only use radiotelephony
(h) Search and Rescue Operation (SAR).
5.1.4 Miscellaneous Skills and Operational Procedures for General
Communications:
(a) Ability to use English Language, both written and spoken, for the
satisfactory exchange of communications relevant to the safety of life at
sea.
(b) Obligatory procedures and practices.
(c) Practical and theoretical knowledge of general communication
procedures.
GOC 5.2 Examination Syllabus Guidelines for the GMDSS GOC
5.2.1 Knowledge of the Basic Features of the Maritime Mobile Service
and the Maritime Mobile-Satellite Service:
(a) The general principles and basic features of the Maritime Mobile Service:
(i) Types of communication in the Maritime Mobile Service:
Distress, Urgency and Safety Communications
Public Correspondence
Port Operation Service
Ship Movement Service – Intership Communication
Onboard Communication.
(ii) Types of station in the Maritime Mobile Service:
Ship Stations
Coast Stations
Pilot Stations, Port Operations Station etc
Aircraft Stations
Rescue Co-ordination Centre (RCC).
(iii) Elementary knowledge of frequencies and frequency bands:
The concept of frequency
The equivalence between frequency and wavelength
The unit of frequency: Hz, kHz, MHz, GHz
The sub-division of the most significant part of the radio
spectrum: MF, HF, VHF, UHF, SHF.
(iv) Characteristics of frequencies:
Different propagation mechanisms: propagation in free space,
ground wave, ionospheric propagation
Propagation on MF
Propagation on different HF bands
Propagation on VHF and UHF.
(v) Knowledge of the role of the various modes of communication:
DSC
Radiotelephony
NBDP
Facsimile
Data
Morse Telegraphy.
(vi) Knowledge of the different types of modulation and classes of
emission:
Classes of emission
Carrier frequency and assigned frequency
Bandwidth of different emissions
Official designations of emissions (e.g. F1B, J3E, A3E, A1A, etc.)
Unofficial designations of emissions (e.g. TLX, SSB, AM, CW, etc.).
(vii) Frequencies allocated to the Maritime Mobile Service:
The usage of MF, HF, VHF, UHF, and SHF in the Maritime Mobile
Service
The concept of radio channel – simplex, semi-duplex and duplex
Paired and unpaired frequencies
Frequency plans and channelling systems: HF and VHF telephony
(relevant appendix of the Radio Regulations), HF NBDP (relevant
appendix of Radio Regulations)
MF telephony and NBDP for Region 1 (Geneva 85 plan)
GMDSS distress and safety frequencies
Distress and safety frequencies of the pre -GMDSS system
Calling frequencies.
(b) The general principles and basic features of the Maritime Mobile Satellite
Service:
(i) Basic knowledge of satellite communications:
Inmarsat space segment
Modes of communication: telex services, telephone services, data
and facsimile communications, store and forward operation
Distress and safety communications
Inmarsat-A/B communication services
Inmarsat-C communication services
Inmarsat Enhanced Group Call (EGC) System.
Inmarsat-M communication services
(ii) Types of station in the Maritime Mobile Satellite Service:
Land Earth Station (LES)
Network Co-ordination Station (NCS)
Mobile Earth Station (MES) Ship Earth Station (SES).
5.2.2 Detailed Practical Knowledge and Ability to use the Basic
Equipment of a Ship Station
(a) Knowledge of, and ability to use in practice, the basic equipment of a
ship station:
(i) Watchkeeping Receivers:
The controls and usage of VHF DSC watch receiver.
The controls and usage of MF DSC watch receiver and MF/HF
DSC watch receiver.
(ii) VHF Radio Installation:
Channels.
Controls.
Usage.
DSC.
(iii) MF/HF Radio Installation:
Frequencies.
Typical controls and usage, e.g. connecting the power, selected
Rx/Tx frequency, selecting ITU channel number, tuning the
transmitter, selecting the class of emission, using volume control
and squelch, using clarifier or Rx fine tuning, controlling RF gain,
using automatic gain control, using the 2182 kHz instant selector,
testing the alarm generator, using the alarm generator.
(iv) Antennae:
Antennae Isolators.
VHF Whip Antennae.
MF/HF Whip Antennae.
MF/HF Wire Antennae.
Satellite antennas.
(v) Batteries:
Types of Marine Batteries and their Characteristics.
Charging.
Maintenance of Batteries.
UPS Systems
(vi) Survival Craft Radio Equipment:
Portable Two-Way VHF Radiotelephone Apparatus.
SART.
EPIRB.
(b) Digital Selecting Calling:
(i) Call Format Specifier:
Distress Call.
All Ships Call.
Call to Individual Station.
Geographical Area Call.
Group Call.
Automatic, Semi-Automatic Service.
(ii) Call Address Selection with the MMSI Number System:
The Nationality Identification.
Group Calling Numbers.
Coast Station Numbers.
Ship Station Numbers.
(iii) Call Categorisation:
Distress.
Urgency.
Safety.
Other Communications.
(iv) Call Telecommand and Traffic Information:
Distress Alerts.
Other Calls.
Working Frequency Information.
(c) Knowledge of the General Principles of NBDP and TOR Systems.
Ability to use Maritime NBDP and TOR Equipment in practice:
(i) NBDP Systems:
Automatic Systems.
Semi-Automatic Systems.
Manual Systems.
ARQ, FEC Modes.
ISS/IRS Arrangement.
Master and Slave.
Radio Telex Number.
Answerback.
Numbering of the SSFC Selective Calling System.
(ii) TOR Equipment (Telex Over Radio):
Controls and Indicators.
Keyboard Operation.
(d) Knowledge of the Usage of Inmarsat Systems. Ability to use Inmarsat
Equipment or Simulator in Practice:
(i) Inmarsat-A/B Mobile (Ship) Earth Station.
Satellite Acquisition.
Telex Services.
Telephone Services.
Data and Facsimile Communications.
(ii) Inmarsat-C Mobile (Ship) Earth Station.
Components of an Inmarsat-C Terminal.
Entering and Updating Position.
Usage of an Inmarsat-C MES (SES).
Sending and Receiving Text Messages.
(iii) Inmarsat EGC Receiver.
Pre-programming an MES (SES) for EGC Message Reception.
Selecting Operating mode for EGC reception.
(e) Fault Locating:
Proficiency in Elementary Fault Localisation by means of built-in
Instruments or Software in accordance with Equipment Manuals.
Elementary Fault Diagnosis and Repair such as Replacement of Fuses,
Indicator Lamps, Antenna Maintenance.
5.2.3 Operational Procedures and Detailed Practical Operation of GMDSS
System and Sub-Systems.
(a) Global Maritime Distress and Safety System (GMDSS):
(i) Sea Areas and the GMDSS Master Plan.
(ii) Watchkeeping on Distress Frequencies.
(iii) Functional Requirements of Ship Stations.
(iv) Carriage Requirements of Ship Stations.
(v) Sources of Energy of Ship Stations.
(vi) Means of Ensuring Availability of Ship Station Equipment.
(vii) Licences, Radio Safety Certificates, Inspections and Surveys.
(b) Inmarsat Usage in the GMDSS:
(i) Inmarsat-A/B MES (SES):
Distress Communications: Use of Distress Facility, Satellite
Acquisition, Telex and Telephony Distress Calls, Procedures for
Distress Calls, Rescue Co-ordination Centres associated with
CESs.
(ii) Inmarsat-C MES (SES):
Distress and Safety Services: Designated and Undesignated
Distress Alert, Distress Priority Message, 2-Digit Code Service
Codes.
(iii) Inmarsat EGC:
Purpose of the EGC System:
All-Ships Messages and Inmarsat System Messages, Classes of
Inmarsat-C SES and their EGC reception.
(c) NAVTEX:
(i) The Navtex System:
Purpose of Navtex.
Navtex Frequencies.
Reception Range.
Message Format (Transmitter ID, Message Type, Message Number).
(ii) Navtex Receiver:
Selection of Transmitters.
Selection of Message Types.
Messages which cannot be Rejected.
Use of Operator Controls and Changing Paper.
(d) Emergency Position Indicating Radio Beacons (EPIRBs):
(i) Satellite EPIRBs:
Basic Characteristics and Operation of 406 MHz and 1.6 GHz.
121.5 MHz EPIRBs including Homing Functions.
Information Contents of a Distress Alert.
Manual Usage.
Float-Free Function.
Routine Maintenance: Testing, Checking Battery Expiry Date,
Cleaning of the Float-Free Release Mechanism.
(ii) VHF DSC EPIRB:
Basic Characteristics of operation on Ch 70.
(e) Search and Rescue Radar Transponder (SART):
Primary Technical Characteristics.
Operation.
Range of a SART Transmitter.
Testing and Checking Battery Expiry Date.
(f) Distress, Urgency and Safety Communication Procedures in the GMDSS:
(i) Distress Communications:
DSC Distress Alert:
Definition of Distress Alert.
Transmission of Distress Alert.
Transmission of Shore-to-Ship Distress Relay.
Transmission of Distress Alert by Station not itself in Distress.
Receipt and Acknowledgement of a DSC Distress Alert:
Acknowledgement Procedures by Radiotelephony.
Acknowledgement Procedures by NBDP.
Receipt and Acknowledgement by a Coast Station.
Receipt and Acknowledgement by Ship Station.
Handling of Distress Alerts:
Preparations for Handling of Distress Traffic.
Distress Traffic Terminology.
Testing DSC Distress and Safety Calls.
On-Scene Communications.
SAR Operation.
(ii) Urgency and Safety Communications:
The Meaning of Urgency and Safety Communications.
Procedures for DSC Urgency and Safety Calls.
Urgency Communications.
Radio Medical services, Medical transports.
Safety Communications.
(iii) Radiotelephony Communications with Non-GMDSS Stations:
Distress Signal.
Distress Call.
Distress Message.
Acknowledgement of a Distress Message.
Distress Traffic Terminology.
Transmission of a Distress Message by a Station not itself in Distress.
Medical Advice.
Safety Signal.
(iv) Reception of Maritime Safety Information (MSI):
Reception by NAVTEX, INMARSAT EGC, HF NBDP.
The Navigational Warning Signal of the Old Distress and Safety System.
The Navigational Warnings Transmitted by Radiotelephony.
(v) Protection of Distress Frequencies:
Guard Bands.
Tests on Distress Frequencies.
Transmissions during Distress Traffic.
Avoiding Harmful Interference.
Prevention of Unauthorised Transmissions.
(g) Search and Rescue Operation (SAR):
(i) The Role of RCCs.
(ii) International Aeronautical and Maritime Search and Rescue Manual
(IAMSAR).
(iii) Maritime Rescue Organisations.
(iv) Ship Reporting Systems.
5.2.4 Miscellaneous Skills and Operational Procedures for General Communications:
(a) Ability to use English Language, both Written and Spoken, for the Satisfactory
Exchange of Communications relevant to the Safety of Life at Sea:
(i) Use of the International Code of Signals and the IMO Standard Marine
Navigational Vocabulary/Seaspeak.
(ii) Recognised Standard Abbreviations and Commonly Used Service Codes.
(iii) Use of International Phonetic Alphabet.
(b) Obligatory Procedures and Practices:
(i) Effective Use of Obligatory Documents and Publications.
(ii) Radio Record Keeping.
(iii) Knowledge of the Regulations and Agreements Governing the Maritime
Mobile Service and the Maritime Mobile-Satellite Service.
(c) Practical and Theoretical Knowledge of General Communication Procedures:
(i) Selection of Appropriate Communication Methods in Different
Situations.
(ii) Traffic Lists.
(iii) Radiotelephone Call:
Method of Calling a Coast Station by Radiotelephony.
Ordering for Manually Switched Link Call. Ending the Call.
Special Facilities of Calls.
Method of Calling a Coast Station by DSC.
Selecting an Automatic Radiotelephone Call.
(iv) Radiotele gram:
The Parts of a Radiotelegram: Preamble
Service Instructions and Indications
Address, Text, Signature.
Addresses: Full Address
Registered Address
Telephonic Address
Telex Address.
Word Count.
Transmission of a Telegram by Radiotelephony.
Transmission of a Telegram by Radiotelex.
(v) Traffic Charges:
International Charging System.
Inmarsat Communications Charging System.
AAIC Code.
The Meaning of Land Line (LL), Coast Station (CS) and Ship Station (SS)
charges.
Currencies used in International Charging.
(vi) Practical Traffic Routines.
(vii) World Geography, especially the Principle Shipping Routes and Related
Communication Routes.
GOC 5.3 Conditions of the Awards
The GMDSS General Operator’s Certificate (GOC) will be awarded to applicants who
have, by means of satisfactorily completing the appropriate standard written and
practical tests, demonstrated their knowledge and ability in the area detailed in
Sections 5.1 and 5.2.
The information contained in Sections 5.1 and 5.2 has been extracted from
Annex 1 of the text of the recommendation proposed by the Working Group
“Radio Regulatory” (RR) for the Harmonised Examination Procedures for the
General Operator’s Certificate (GOC) – Recommendation T/R 31-03 E (Bonn
1993) – Edition of 1st May 1993 and ERC Decision Annex 1 of ERC/DEC/(99)01
of 10 March 1999.
GOC 5.1 Examination Syllabus for the GMDSS General Operator’s Certificate (GOC)
The examination should consist of theoretical and practical tests and shall
include at least:
5.1.1 Knowledge of the General Principles and Basic Features of:
(a) The Maritime Mobile Service.
(b) The Maritime Mobile -Satellite Service.
5.1.2 Detailed Practical Knowledge and Ability to use the Basic
Equipment of a Ship Station:
(a) Practical use of the basic equipment of a ship station.
(b) Digital Selective Calling (DSC).
(c) General principles of Narrow Band Direct Printing (NBDP) and Telex Over
Radio (TOR) Systems. Ability to use maritime NBDP and TOR equipment
in practice.
(d) Usage of Inmarsat Systems. Inmarsat equipment or simulator in
practice.
(e) Fault locating.
5.1.3 Operational Procedures and Detailed Practical Operation of GMDSS
Systems and Sub-Systems:
(a) Global Maritime Distress and Safety Systems (GMDSS).
(b) Inmarsat.
(c) NAVTEX.
(d) Emergency Position Indicating Radio Beacons (EPIRBs).
(e) Search and Rescue Radar Transponder (SART).
(f) Distress, Urgency and Safety Communication Procedures in the GMDSS.
(g) Distress, Urgency and Safety communications with non-SOLAS ships
which only use radiotelephony
(h) Search and Rescue Operation (SAR).
5.1.4 Miscellaneous Skills and Operational Procedures for General
Communications:
(a) Ability to use English Language, both written and spoken, for the
satisfactory exchange of communications relevant to the safety of life at
sea.
(b) Obligatory procedures and practices.
(c) Practical and theoretical knowledge of general communication
procedures.
GOC 5.2 Examination Syllabus Guidelines for the GMDSS GOC
5.2.1 Knowledge of the Basic Features of the Maritime Mobile Service
and the Maritime Mobile-Satellite Service:
(a) The general principles and basic features of the Maritime Mobile Service:
(i) Types of communication in the Maritime Mobile Service:
Distress, Urgency and Safety Communications
Public Correspondence
Port Operation Service
Ship Movement Service – Intership Communication
Onboard Communication.
(ii) Types of station in the Maritime Mobile Service:
Ship Stations
Coast Stations
Pilot Stations, Port Operations Station etc
Aircraft Stations
Rescue Co-ordination Centre (RCC).
(iii) Elementary knowledge of frequencies and frequency bands:
The concept of frequency
The equivalence between frequency and wavelength
The unit of frequency: Hz, kHz, MHz, GHz
The sub-division of the most significant part of the radio
spectrum: MF, HF, VHF, UHF, SHF.
(iv) Characteristics of frequencies:
Different propagation mechanisms: propagation in free space,
ground wave, ionospheric propagation
Propagation on MF
Propagation on different HF bands
Propagation on VHF and UHF.
(v) Knowledge of the role of the various modes of communication:
DSC
Radiotelephony
NBDP
Facsimile
Data
Morse Telegraphy.
(vi) Knowledge of the different types of modulation and classes of
emission:
Classes of emission
Carrier frequency and assigned frequency
Bandwidth of different emissions
Official designations of emissions (e.g. F1B, J3E, A3E, A1A, etc.)
Unofficial designations of emissions (e.g. TLX, SSB, AM, CW, etc.).
(vii) Frequencies allocated to the Maritime Mobile Service:
The usage of MF, HF, VHF, UHF, and SHF in the Maritime Mobile
Service
The concept of radio channel – simplex, semi-duplex and duplex
Paired and unpaired frequencies
Frequency plans and channelling systems: HF and VHF telephony
(relevant appendix of the Radio Regulations), HF NBDP (relevant
appendix of Radio Regulations)
MF telephony and NBDP for Region 1 (Geneva 85 plan)
GMDSS distress and safety frequencies
Distress and safety frequencies of the pre -GMDSS system
Calling frequencies.
(b) The general principles and basic features of the Maritime Mobile Satellite
Service:
(i) Basic knowledge of satellite communications:
Inmarsat space segment
Modes of communication: telex services, telephone services, data
and facsimile communications, store and forward operation
Distress and safety communications
Inmarsat-A/B communication services
Inmarsat-C communication services
Inmarsat Enhanced Group Call (EGC) System.
Inmarsat-M communication services
(ii) Types of station in the Maritime Mobile Satellite Service:
Land Earth Station (LES)
Network Co-ordination Station (NCS)
Mobile Earth Station (MES) Ship Earth Station (SES).
5.2.2 Detailed Practical Knowledge and Ability to use the Basic
Equipment of a Ship Station
(a) Knowledge of, and ability to use in practice, the basic equipment of a
ship station:
(i) Watchkeeping Receivers:
The controls and usage of VHF DSC watch receiver.
The controls and usage of MF DSC watch receiver and MF/HF
DSC watch receiver.
(ii) VHF Radio Installation:
Channels.
Controls.
Usage.
DSC.
(iii) MF/HF Radio Installation:
Frequencies.
Typical controls and usage, e.g. connecting the power, selected
Rx/Tx frequency, selecting ITU channel number, tuning the
transmitter, selecting the class of emission, using volume control
and squelch, using clarifier or Rx fine tuning, controlling RF gain,
using automatic gain control, using the 2182 kHz instant selector,
testing the alarm generator, using the alarm generator.
(iv) Antennae:
Antennae Isolators.
VHF Whip Antennae.
MF/HF Whip Antennae.
MF/HF Wire Antennae.
Satellite antennas.
(v) Batteries:
Types of Marine Batteries and their Characteristics.
Charging.
Maintenance of Batteries.
UPS Systems
(vi) Survival Craft Radio Equipment:
Portable Two-Way VHF Radiotelephone Apparatus.
SART.
EPIRB.
(b) Digital Selecting Calling:
(i) Call Format Specifier:
Distress Call.
All Ships Call.
Call to Individual Station.
Geographical Area Call.
Group Call.
Automatic, Semi-Automatic Service.
(ii) Call Address Selection with the MMSI Number System:
The Nationality Identification.
Group Calling Numbers.
Coast Station Numbers.
Ship Station Numbers.
(iii) Call Categorisation:
Distress.
Urgency.
Safety.
Other Communications.
(iv) Call Telecommand and Traffic Information:
Distress Alerts.
Other Calls.
Working Frequency Information.
(c) Knowledge of the General Principles of NBDP and TOR Systems.
Ability to use Maritime NBDP and TOR Equipment in practice:
(i) NBDP Systems:
Automatic Systems.
Semi-Automatic Systems.
Manual Systems.
ARQ, FEC Modes.
ISS/IRS Arrangement.
Master and Slave.
Radio Telex Number.
Answerback.
Numbering of the SSFC Selective Calling System.
(ii) TOR Equipment (Telex Over Radio):
Controls and Indicators.
Keyboard Operation.
(d) Knowledge of the Usage of Inmarsat Systems. Ability to use Inmarsat
Equipment or Simulator in Practice:
(i) Inmarsat-A/B Mobile (Ship) Earth Station.
Satellite Acquisition.
Telex Services.
Telephone Services.
Data and Facsimile Communications.
(ii) Inmarsat-C Mobile (Ship) Earth Station.
Components of an Inmarsat-C Terminal.
Entering and Updating Position.
Usage of an Inmarsat-C MES (SES).
Sending and Receiving Text Messages.
(iii) Inmarsat EGC Receiver.
Pre-programming an MES (SES) for EGC Message Reception.
Selecting Operating mode for EGC reception.
(e) Fault Locating:
Proficiency in Elementary Fault Localisation by means of built-in
Instruments or Software in accordance with Equipment Manuals.
Elementary Fault Diagnosis and Repair such as Replacement of Fuses,
Indicator Lamps, Antenna Maintenance.
5.2.3 Operational Procedures and Detailed Practical Operation of GMDSS
System and Sub-Systems.
(a) Global Maritime Distress and Safety System (GMDSS):
(i) Sea Areas and the GMDSS Master Plan.
(ii) Watchkeeping on Distress Frequencies.
(iii) Functional Requirements of Ship Stations.
(iv) Carriage Requirements of Ship Stations.
(v) Sources of Energy of Ship Stations.
(vi) Means of Ensuring Availability of Ship Station Equipment.
(vii) Licences, Radio Safety Certificates, Inspections and Surveys.
(b) Inmarsat Usage in the GMDSS:
(i) Inmarsat-A/B MES (SES):
Distress Communications: Use of Distress Facility, Satellite
Acquisition, Telex and Telephony Distress Calls, Procedures for
Distress Calls, Rescue Co-ordination Centres associated with
CESs.
(ii) Inmarsat-C MES (SES):
Distress and Safety Services: Designated and Undesignated
Distress Alert, Distress Priority Message, 2-Digit Code Service
Codes.
(iii) Inmarsat EGC:
Purpose of the EGC System:
All-Ships Messages and Inmarsat System Messages, Classes of
Inmarsat-C SES and their EGC reception.
(c) NAVTEX:
(i) The Navtex System:
Purpose of Navtex.
Navtex Frequencies.
Reception Range.
Message Format (Transmitter ID, Message Type, Message Number).
(ii) Navtex Receiver:
Selection of Transmitters.
Selection of Message Types.
Messages which cannot be Rejected.
Use of Operator Controls and Changing Paper.
(d) Emergency Position Indicating Radio Beacons (EPIRBs):
(i) Satellite EPIRBs:
Basic Characteristics and Operation of 406 MHz and 1.6 GHz.
121.5 MHz EPIRBs including Homing Functions.
Information Contents of a Distress Alert.
Manual Usage.
Float-Free Function.
Routine Maintenance: Testing, Checking Battery Expiry Date,
Cleaning of the Float-Free Release Mechanism.
(ii) VHF DSC EPIRB:
Basic Characteristics of operation on Ch 70.
(e) Search and Rescue Radar Transponder (SART):
Primary Technical Characteristics.
Operation.
Range of a SART Transmitter.
Testing and Checking Battery Expiry Date.
(f) Distress, Urgency and Safety Communication Procedures in the GMDSS:
(i) Distress Communications:
DSC Distress Alert:
Definition of Distress Alert.
Transmission of Distress Alert.
Transmission of Shore-to-Ship Distress Relay.
Transmission of Distress Alert by Station not itself in Distress.
Receipt and Acknowledgement of a DSC Distress Alert:
Acknowledgement Procedures by Radiotelephony.
Acknowledgement Procedures by NBDP.
Receipt and Acknowledgement by a Coast Station.
Receipt and Acknowledgement by Ship Station.
Handling of Distress Alerts:
Preparations for Handling of Distress Traffic.
Distress Traffic Terminology.
Testing DSC Distress and Safety Calls.
On-Scene Communications.
SAR Operation.
(ii) Urgency and Safety Communications:
The Meaning of Urgency and Safety Communications.
Procedures for DSC Urgency and Safety Calls.
Urgency Communications.
Radio Medical services, Medical transports.
Safety Communications.
(iii) Radiotelephony Communications with Non-GMDSS Stations:
Distress Signal.
Distress Call.
Distress Message.
Acknowledgement of a Distress Message.
Distress Traffic Terminology.
Transmission of a Distress Message by a Station not itself in Distress.
Medical Advice.
Safety Signal.
(iv) Reception of Maritime Safety Information (MSI):
Reception by NAVTEX, INMARSAT EGC, HF NBDP.
The Navigational Warning Signal of the Old Distress and Safety System.
The Navigational Warnings Transmitted by Radiotelephony.
(v) Protection of Distress Frequencies:
Guard Bands.
Tests on Distress Frequencies.
Transmissions during Distress Traffic.
Avoiding Harmful Interference.
Prevention of Unauthorised Transmissions.
(g) Search and Rescue Operation (SAR):
(i) The Role of RCCs.
(ii) International Aeronautical and Maritime Search and Rescue Manual
(IAMSAR).
(iii) Maritime Rescue Organisations.
(iv) Ship Reporting Systems.
5.2.4 Miscellaneous Skills and Operational Procedures for General Communications:
(a) Ability to use English Language, both Written and Spoken, for the Satisfactory
Exchange of Communications relevant to the Safety of Life at Sea:
(i) Use of the International Code of Signals and the IMO Standard Marine
Navigational Vocabulary/Seaspeak.
(ii) Recognised Standard Abbreviations and Commonly Used Service Codes.
(iii) Use of International Phonetic Alphabet.
(b) Obligatory Procedures and Practices:
(i) Effective Use of Obligatory Documents and Publications.
(ii) Radio Record Keeping.
(iii) Knowledge of the Regulations and Agreements Governing the Maritime
Mobile Service and the Maritime Mobile-Satellite Service.
(c) Practical and Theoretical Knowledge of General Communication Procedures:
(i) Selection of Appropriate Communication Methods in Different
Situations.
(ii) Traffic Lists.
(iii) Radiotelephone Call:
Method of Calling a Coast Station by Radiotelephony.
Ordering for Manually Switched Link Call. Ending the Call.
Special Facilities of Calls.
Method of Calling a Coast Station by DSC.
Selecting an Automatic Radiotelephone Call.
(iv) Radiotele gram:
The Parts of a Radiotelegram: Preamble
Service Instructions and Indications
Address, Text, Signature.
Addresses: Full Address
Registered Address
Telephonic Address
Telex Address.
Word Count.
Transmission of a Telegram by Radiotelephony.
Transmission of a Telegram by Radiotelex.
(v) Traffic Charges:
International Charging System.
Inmarsat Communications Charging System.
AAIC Code.
The Meaning of Land Line (LL), Coast Station (CS) and Ship Station (SS)
charges.
Currencies used in International Charging.
(vi) Practical Traffic Routines.
(vii) World Geography, especially the Principle Shipping Routes and Related
Communication Routes.
GOC 5.3 Conditions of the Awards
The GMDSS General Operator’s Certificate (GOC) will be awarded to applicants who
have, by means of satisfactorily completing the appropriate standard written and
practical tests, demonstrated their knowledge and ability in the area detailed in
Sections 5.1 and 5.2.
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