British Admiralty Nautical Chart AUS117: Australia - West Coast - Western Australia - Gage Roads and Cockburn Sound Barometers and anyone who needs expert

and anyone who needs expert seagoing advice

and qualification as a convoy commodore

Orient the chart with North Up

These cards show the view forward from the deck of various vessels (power

Mean Neap and Spring tidal rates expressed in tenths of a knot

British Admiralty Nautical Chart AUS117: Australia - West Coast - Western Australia - Gage Roads and Cockburn Sound Barometers and anyone who needs expertBritish Admiralty Nautical Chart AUS117: Gage Roads and Cockburn Sound is a standard nautical chart. This nautical chart complies with Safety of Life at Sea (SOLAS) regulations and is ideal for professional, commercial and recreational use. Charts within the series consist of a range of scales, useful for passage planning, ocean crossings, coastal navigation and entering port. Mariners should always use the largest scale nautical chart appropriate to