NGA Chart 56: Great Circle Sailing Chart of the North Pacific Ocean Binoculars British Admiralty Nautical Chart 4940:

British Admiralty Nautical Chart 4940: Grenville Channel to/A Chatham Sound is a standard nautical chart

The contents include International Conventions (with lists of current parties)

British Admiralty Nautical Chart  2414: Singapore to Song Sai Gon and the Gulf of Thailand is a standard nautical chart

and was designed by Newfoundland artist Christopher Pratt

NGA Chart 56: Great Circle Sailing Chart of the North Pacific Ocean Binoculars British Admiralty Nautical Chart 4940:The chart you are viewing is a NGA standard nautical chart. The National Geospatial Intelligence Agency (NGA) has partnered with OceanGrafix to provide commercial and recreational mariners with a good source of nautical chart coverage for international waters. These charts are "printed on demand" but do not contain the latest notice to mariner (NTM) corrections. It is the mariner's responsibility that the necessary chart corrections be applied to