Understanding a nautical chart

the long version

"Navigation and charts fascinate novice and experienced seamen alike, and this book is the easiest way to gain an immediate and clear understanding of the information on the nautical chart. There is a full explanation of how to establish the accuracy of charts to allow you to navigate with confidence and safety. Learning the abbreviations and symbols are critical to anybody using a chart and before you can use one, you must know them or at have easy access to the definitions, all of which are included in a full copy of the key to UKHO charts (Chart 5011). Understanding Nautical Charts not only helps you to read a chart, crucially it allows you to understand that information and use it to navigate safely"--