MARS MMSI Database
Royal Yachting Association 
Royal Institute of Navigation 
UK Maritime and Coastguard Agency
UK Radio Communications Agency
United States Coastguard
United Kingdom Hydrographic Office
United Kingdom Hydrographic Office Leisure Home page

European Telecommunications Standards Institute
International Electrotechnical Commission
International Maritime Organisation
International Telecommunications Union

Weather sites

UK Meteorologocal Office 
UK Inshore Waters Forecast 
UK Latest Shipping Forecast 
UK Gale Warning 
Irish coastal waters Shipping Forecast  
Irish coastal waters & Irish Sea Gale Warnings 

Where to buy ICS products

See our distributor locator in the Shop