As a navigator, the nautical chart is one of your most important tools. A chart is a graphical representation of part of the earth's surface. Unlike a map, a chart emphasizes areas of water and features that allow mariners to determine position, avoid hazards and find a safe route to a destination.
Charts cover the open sea, coastlines, navigable inland waters and canal systems. They can cover a large area; for example, the shipping lanes of the North Atlantic; or provide a detailed representation of a smaller area, such as a harbour or anchorage.
Most maritime nations publish charts and Canada is no exception. Canadian paper and electronic charts are published by the Canadian Hydrographic Service (CHS). These charts are available from chandleries and map retailers. The United States and Great Britain publish charts for their own waters and much of the earth's navigable waters.
Find out more about the history of charts
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