MARINE MAPPING NAVIONICS + SMALL The new Navionics + charts replace the Gold charts. Their prices and coverage areas remain the same (except Americas and Pacific). You will also benefit from the exclusive high - definition bathymetry of the SonarChart map which enriches these new maps. Main FunctionsNavionics+ Small Sedimentology with nature of the bottom (if available) Tides and Currents Port services (fuel, water, electricity, repairs...) Inland waters More than 100 lakes in metropolitan France