Maritime Safety Information (MSI) is defined in the Safety of Life at Sea (SOLAS) Convention, Chapter IV as “navigational and meteorological warnings, meteorological forecasts and other urgent safety related messages broadcast to ships.”
The Global Maritime Distress and Safety System (GMDSS) supports two systems for broadcasting MSI:
The International NAVTEX Service
The International Enhanced Group Calling (EGC) Service
– The International SafetyNET Service
– The Iridium SafetyCast Service
The United Kingdom NAVTEX station coverage area is given in section 4.3 and is complemented by VHF and MF radiotelephony.
This Notice provides guidance about the principal sources of relevant information. Masters, skippers and others should refer to Maritime and Coastguard Agency (MCA/064) leaflet via the MCA website at www.mcga.gov.uk for details, copies can also be obtained from MCA offices.
This notice replaces Marine Guidance Notes 23, and 44 and 375.
Source: MCA.