This book has been used for 30 years, updated periodically as needed.
The only math involved is arithmetic (addin.
No previous navigation experience is required.
This book covers how to find position at sea from timed sextant sights of the sun, moon, stars, and planets plus other routine and special procedures of safe, efficient offshore navigation.
More than 20,000 students have successfully learned ocean navigation from these materials and gone on to cross oceans or circumnavigate the globe.
This book has been used for 30 years, updated periodically as needed