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A global maritime distress and safety system (GMDSS) is a maritime communications system for all vessels. A total GMDSS system is made up of:
digital selective calling (DSC) via radio
Navtex - weather and transport information
search and rescue radar transponders (SARTs)
emergency position indicating radio beacons (EPIRBs)
A pleasure craft may not need a complete GMDSS package but MCA recommends that owners and operators make sure they at least fit a VHF DSC radio.
Find out about the benefits of having DSC equipped radios including: