Global Maritime Distress Safety System (GMDSS) general operator

Description of course


Participant, who completes the course should know:

  • the necessity of International Manual regulating carriage of dangerous goods;
  • hazardous features of majority cargos;
  • types of hazards;
  • relevant classes of dangerous goods related to IMDG CODE;
  • relevant information and instructions regarding each substance, material and goods;
  • identification and marking rules of dangerous goods;
  • purpose of hazard signs and use of those signs;
  • types of dangerous goods defined by UN: rules of marking dangerous cargo spaces;
  • methods of fitting marking and hazard signs of cargo transport units;
  • documents for dangerous goods and requirements for them;
  • information on dangerous goods manifest;
  • requirements for dangerous goods tanks and bins;
  • requirements for dangerous goods containers;
  • methods for storage of containers;
  • methods for discharge and prevention overheating of dangerous goods;
  • requirements for construction of tanks and vehicle for storage of dangerous goods;
  • requirements for storage of dangerous goods;
  • methods of dangerous goods segregation;
  • rules for marking, storage and securing of sea pollutants;
  • general requirements for containers made by solid, semisolid, soft materials (IBC type containers);


Participant, who completes the course should able to:

  • use of International Maritime Dangerous Goods Code (IMDG Code) which was adopted by the International Convention for the Safety of Life at Sea (SOLAS);
  • classification of dangerous goods;
  • identification of dangerous goods transport by sea;
  • defining dangerous goods whether its sea pollutants or not;
  • defining technical and chemical compounds of substances related to UN numbers;
  • defining marking and labelling of cargo spaces properly and provided with hazard signs;
  • preparation dangerous goods documents properly;
  • defining information on hazards regarding dangerous goods on cargo manifests;
  • use of documentation related to different types of dangerous goods classes;
  • storage of dangerous goods containers;
  • discharge and prevent overheating of dangerous goods;
  • behavior with tanks and vessels;
  • segregation dangerous goods;
  • fire-fighting methods;
  • use of fire-fighting equipment;
  • use of personal protective equipment;
  • conducting orders related to casualty measures;
  • medical first aid;
  • reporting procedures during events.



At the end of the training, a test is carried out to assess participants` knowledge.

All questions are covering the training course.

64% correct of answers is acceptable, the reverse is considered as unacceptable. If the result is unacceptable, the participant can attend the next exam. If attendance next exam is missed for three months, the result is considered unacceptable.



Required documents

  • 3x4 cm photo (1 item);
  • Seafarer Medical Certificate;
  • Copy of Diploma;
  • Certificate of Competence (if available);
  • Copy of national ID;