CHARTWORK — BASIC CONCEPTS AND MISCELLANEOUS CALCULATIONS

One of the best publications available today to the people new to the world of maritime navigation. What is the chart? It is actually a sea map. A chart gives a good systematic and diagrammatic representation of particular subject or description. The charts are specifically developed to provide easily understood information that would be viewed at one glance. Charts have been in use throughout the history but the sea charts have been introduced quite recently.

Navigation charts, as it is implied by the name, normally represent the features of the earth on a piece of flat paper; they also include the details of the sea details, the land and coast because all of those details may be used during navigation and contribute to the safe passage. The volume covers literally all important aspects of the charts and chartwork. The author starts with the chart types and basic introductory information, tools and instruments.

Then the content proceeds to the terminology commonly associated with the chartwork including the most widely used abbreviations, signs and symbols. The effect of current and wind is dealt with separately, followed by the description of the position line and running fix. Among other topics addressed by the author there are theory of tides, ECDIS, ocean passage planning, missing course, tidal streams and tidal calculations, chart projections and many others.