Davis Artificial Horizon GMDSS British Admiralty Nautical Chart 3727:

British Admiralty Nautical Chart 3727: Approaches to Ao Sattahip is a standard nautical chart

This nautical chart shouldn’t just be kept on the boat

which prevents it from corroding

Each piece of depth information is stored within a local bathymetric database with files being made ready to export to other databases or to be referenced back to at a later date

British Admiralty Nautical Chart 2721: Scotland - West Coast

Davis Artificial Horizon GMDSS British Admiralty Nautical Chart 3727:The Davis Artificial Horizon is an inexpensive instrument made entirely of plastic and glass. The body is filled with water to provide a reflecting surface which is shielded from the wind by two transparent covers. It comes with four sunshades and complete instructions. After use it folds up into a small hand sized package. SW 1 lb. ABOUT ARTIFICIAL HORIZONS Artificial horizons were used by sailors of sailing ships when they were becalmed. This