Global Maritime Distress and Safety System
E204361
The Global Maritime Distress and Safety System is an internationally standardized, automated communication framework that enhances maritime safety by ensuring ships can send and receive distress alerts and vital safety information anywhere at sea.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Global Maritime Distress and Safety System canonical | 4 |
| Chilean maritime safety system | 1 |
| GMDSS | 1 |
| MF/HF DSC | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1814417 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
Target entity: Global Maritime Distress and Safety System Context triple: [International Convention on Maritime Search and Rescue, relatedTo, Global Maritime Distress and Safety System]
-
A.
International Regulations for Preventing Collisions at Sea
The International Regulations for Preventing Collisions at Sea are a globally adopted set of navigational rules that govern how vessels should operate to avoid collisions and ensure safety at sea.
-
B.
Maritime Authority System
The Maritime Authority System is a Portuguese naval command and control framework responsible for overseeing maritime safety, security, and law enforcement in Portugal’s territorial waters.
-
C.
International Management Code for the Safe Operation of Ships and for Pollution Prevention
The International Management Code for the Safe Operation of Ships and for Pollution Prevention (ISM Code) is an international maritime safety and environmental protection standard that requires shipping companies to implement structured safety management systems for their vessels.
-
D.
International Convention on Maritime Search and Rescue
The International Convention on Maritime Search and Rescue is a global treaty that establishes an international framework and standards for coordinating and conducting search and rescue operations at sea to enhance safety for persons in distress.
-
E.
Annex IV – Distress signals
Annex IV – Distress signals is the section of the International Regulations for Preventing Collisions at Sea that lists the internationally recognized signals used by vessels to indicate distress and need of assistance.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Global Maritime Distress and Safety System Target entity description: The Global Maritime Distress and Safety System is an internationally standardized, automated communication framework that enhances maritime safety by ensuring ships can send and receive distress alerts and vital safety information anywhere at sea.
-
A.
International Regulations for Preventing Collisions at Sea
The International Regulations for Preventing Collisions at Sea are a globally adopted set of navigational rules that govern how vessels should operate to avoid collisions and ensure safety at sea.
-
B.
Maritime Authority System
The Maritime Authority System is a Portuguese naval command and control framework responsible for overseeing maritime safety, security, and law enforcement in Portugal’s territorial waters.
-
C.
International Management Code for the Safe Operation of Ships and for Pollution Prevention
The International Management Code for the Safe Operation of Ships and for Pollution Prevention (ISM Code) is an international maritime safety and environmental protection standard that requires shipping companies to implement structured safety management systems for their vessels.
-
D.
International Convention on Maritime Search and Rescue
The International Convention on Maritime Search and Rescue is a global treaty that establishes an international framework and standards for coordinating and conducting search and rescue operations at sea to enhance safety for persons in distress.
-
E.
Annex IV – Distress signals
Annex IV – Distress signals is the section of the International Regulations for Preventing Collisions at Sea that lists the internationally recognized signals used by vessels to indicate distress and need of assistance.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
maritime communication system
ⓘ
safety communication framework ⓘ |
| abbreviation |
Global Maritime Distress and Safety System
self-linksurface differs
ⓘ
surface form:
GMDSS
International Convention for the Safety of Life at Sea ⓘ
surface form:
SOLAS
|
| adoptionYear | 1988 ⓘ |
| appliesTo |
cargo ships of 300 gross tonnage and upwards on international voyages
ⓘ
passenger ships on international voyages ⓘ |
| basedOn | International Convention for the Safety of Life at Sea ⓘ |
| characteristic |
automated
ⓘ
internationally standardized ⓘ uses digital communication technologies ⓘ |
| coverage | anywhere at sea ⓘ |
| defines | sea areas A1 A2 A3 A4 for coverage planning ⓘ |
| designGoal |
improve reliability of distress communications
ⓘ
reduce reliance on manual radio watchkeeping ⓘ speed up distress alerting and response ⓘ |
| entryIntoForce | 1992 ⓘ |
| fullImplementationYear | 1999 ⓘ |
| implementedUnder |
International Convention for the Safety of Life at Sea
ⓘ
surface form:
SOLAS Chapter IV
|
| languageRequirement | use of English for distress and safety communications ⓘ |
| purpose |
enhance maritime safety
ⓘ
ensure ships can receive distress alerts ⓘ ensure ships can receive maritime safety information ⓘ ensure ships can send distress alerts ⓘ |
| regulatingBody | International Maritime Organization ⓘ |
| relatedStandard |
IMO performance standards for GMDSS equipment
ⓘ
Radio Regulations ⓘ
surface form:
ITU Radio Regulations
|
| relatedTo | search and rescue operations at sea ⓘ |
| replaced | traditional manual Morse code distress system ⓘ |
| requires | continuous watch by automated means ⓘ |
| scope | global ⓘ |
| seaAreaA1Definition | within VHF DSC coverage of at least one coast station ⓘ |
| seaAreaA2Definition | within MF DSC coverage of at least one coast station ⓘ |
| seaAreaA3Definition | within Inmarsat geostationary satellite coverage ⓘ |
| seaAreaA4Definition | outside sea areas A1 A2 and A3 ⓘ |
| supportsService |
distress alerting
ⓘ
general communications in emergencies ⓘ maritime safety information broadcasting ⓘ search and rescue coordination ⓘ |
| usesComponent |
AIS (Automatic Identification System)
ⓘ
surface form:
AIS Search and Rescue Transmitters
Search and Rescue Satellite-Aided Tracking payload ⓘ
surface form:
COSPAS-SARSAT satellite EPIRBs
Digital Selective Calling radios ⓘ Inmarsat ship earth stations ⓘ Global Maritime Distress and Safety System self-linksurface differs ⓘ
surface form:
MF/HF DSC
Maritime Safety Information broadcast systems ⓘ NAVTEX receivers ⓘ Search and Rescue Satellite-Aided Tracking payload ⓘ
surface form:
Search and Rescue Transponders
VHF DSC ⓘ |
| usesTechnology |
satellite communication
ⓘ
terrestrial radio communication ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Subject: Global Maritime Distress and Safety System Description of subject: The Global Maritime Distress and Safety System is an internationally standardized, automated communication framework that enhances maritime safety by ensuring ships can send and receive distress alerts and vital safety information anywhere at sea.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.