BS ISO 19018:2004

Foreword
1 Scope
2 Normative references
3 Special units in maritime navigation
4 Reference directions
   4.1 North directions
   4.2 Dead ahead direction
5 Course, heading, track, speed
   5.1 Course, heading
   5.2 Track
   5.3 Speed
6 Bearings
7 Corrections
8 Influence of wind and current
   8.1 Wind
   8.2 Leeway and drift triangle
9 Geographical coordinates, positions, lines, graphical
   symbols
   9.1 Geographical coordinates
   9.2 Positions and lines
   9.3 Graphical symbols
10 Waypoint navigation
11 Terms of time
   11.1 Universal terms of time
   11.2 Terms concerning time for navigation use
12 Astronomical navigation
   12.1 Celestial coordinates, points, lines and angles on
        the celestial sphere
   12.2 Great and small circles
   12.3 Altitudes and angular distances on the celestial sphere
   12.4 Sight reduction
   12.5 Symbols of celestial bodies and sextant altitudes
13 Depth of water and tides
14 Terrestrial magnetism
15 Radar navigation
16 LORAN-C
17 Global Positioning System (GPS)
   17.1 Dilution of precision
Bibliography

Contains terms, abbreviations and graphical symbols, which are to be used in maritime navigation on board ships. The application of abbreviations is useful, but they should not be used in mathematical formulae. Symbols for use in mathematical formulae are mentioned, if necessary.