The GMDSS is the international system for coordinating maritime search and rescue. The GOC (General Operator Certificate) is required for all vessels on international voyages in sea areas A1–A4.
Practical operation of all GMDSS frequency bands, DSC controllers, and radio log maintenance.
INMARSAT and Iridium operations, EPIRB activation and registration, SART devices.
Transmitting and receiving distress alerts, MAYDAY procedures, and SAR coordination.
Battery testing, antenna checks, and radio log compliance under SOLAS Chapter IV.
All sea areas A1–A4. International voyages. Officers on SOLAS vessels.
Sea area A1 only. Coastal/short range voyages. Smaller vessels.