Definition(s)
Global Maritime Distress and Safety System (GMDSS)
Global Maritime Distress and Safety System (GMDSS) means the global communications service based upon automated systems, both satellite and terrestrial, to provide distress alerting and promulgation of maritime safety information for mariners.
Source: IMO resolution A.1051(27), IMO/WMO Worldwide Met-Ocean Information and Warning Service ‒ Guidance Document, 20 December 2011, International Maritime Organization. Regulatory Guidance