World-Wide Navigational Warning Service (WWNWS)
WWNWS is a service inside the G.M.D.S.S system. It is about navigation safety information and provides information that mainly concern: • Nautical perils • Minor Lights and buoys damages • Drifted mines • Wire casting or other sub-marine activities • Drills • Ship- Aircraft firing • Dangerous wrecks • Constructions or works in harbors and […]