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| TABLE OF CONTENTS: | |
| Introduction | |
| Module 1 | |
| Terrestrial Foundations for Ocean Navigation | |
| Earth Coordinate System | 1-1 |
| Time Zones | 1-5 |
| Estimated Time of Arrival Problems | 1-8 |
| Module 1 Questions/Problem | 1-11 |
| Module 1 Answer | 1-14 |
| Module 2 | |
| A Little Nautical Astronomy | |
| Major and Minor Motions of the Earth | 2-1 |
| The Stars | 2-3 |
| The Solas System | 2-4 |
| The Earth and the Moon | 2-6 |
| The Celestial Sphere and Apparent Motion | 2-8 |
| Module 2 Questions/Problems | 2-9 |
| Module 2 Answers | 2-12 |
| Module 3 | |
| The Celestial Equator Coordinate System | |
| Refrence Points for Celestial System Coordinates | 3-1 |
| The First Point of Aries | 3-4 |
| Relationship Between Hour Angles | 3-5 |
| Module 3 Questions/Problems | 3-10 |
| Module 3 Answers | 3-13 |
| Module 4 | |
| The Horizon Coordinate System | |
| Framework of the Horizon Coordinate System | 4-1 |
| Coordinates in the Horizon System | 4-2 |
| Procedure for Converting Azimuth Angle "Z" to Azimuth "Zn" | 4-4 |
| Module 4 Questions/Problem | 4-7 |
| Module 4 Answers | 4-9 |