Every essential calculation you need for coastal and offshore navigation

This book is an aide memoire bringing together in an easy to understand guide all the frequently needed but often forgotten equations and formulae needed by sailors. The format will be the same throughout: the equation followed by a worked example to show how it should be done. Illustrations will be line drawing to help the reader understand what they are doing and why they are doing it.

Calculations included are: Distance to the visual horizon and the radar horizon Distance off by vertical sextant angle,...