Terrestrial Navigation is a course-concept.

While working on the course, you are not just studying the material, but also checking how well you have learned it.

How does it work?

1. Download the lesson and read the task.

2. Complete the task and send either an electronic form or photocopy to In the subject line specify your Learnmarine OR Key4mate login / title of the lesson / task.

3. If the result is positive and the task is completed, you can take a test of 20 questions

* You can take both tasks and tests as many times as necessary to achieve the result that will satisfy you.

4. Proceed to the next lesson.

This is a live course.

Therefore, feel free to ask questions at any stage of the training.

The sequence for the course is desirable, but not critical. You can download only what you are most interested in.

Course contents:

Definitions - Earth

Datums and Distances


Position Lines and Positions


IALA Buoyage System


Keeping a log

Ukraine Hryvnia to American Dollar