British Admiralty Nautical Chart 496: Brazil - East Coast, Approaches to Porto do Açu Southern Ocean British Admiralty Nautical Chart 3629:

British Admiralty Nautical Chart 3629: Approaches to Halley Base is a standard nautical chart

dead reckoning

889 makes every 4 inches on the chart equal to one second of longitude

1    The Cargo Engineer

British Admiralty Nautical Chart 742: Mahe

British Admiralty Nautical Chart 496: Brazil - East Coast, Approaches to Porto do Açu Southern Ocean British Admiralty Nautical Chart 3629:British Admiralty Nautical Chart 496: Brazil East Coast, Approaches to Porto do Au 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