Here are a few posts I wrote dedicated to learning. If you can read French, additional texts are also availlable.
Navigation
Fundamentals of navigation calculations. Navigation is about getting from point A to point B in a safe and fun manner. 8 fundamental concepts of arithmetic are required to do so. Read them here.
Ten techniques for determining tidal windows. Here are ten techniques to compute tidal windows. Some of them are useful in practice, others are useful for exams. Read the section that suits your needs.
How we represent the world. Any chart distorts reality. Find out more about the various methods we use to represent the world.
On the closest point of approach. If you ever wondered what the CPA and the TCPA can do, have a look at this text. It will help you avoid collisions.
Advanced coastal navigation techniques. Here are four advanced coastal navigation fixing techniques. The first one has some practical use, while the three last ones are only useful in exams.
Computing the Course to steer algebraically. This intermediary text shows how to use trigonometry instead of graphical methods in order to find the Course to steer.
Automated routing: basic principles. This advanced text illustrates how chartplotters estimate time-minimizing routes.
A great celestial navigation course. If you can spare 8 hours of YouTube videos, here is where I first learned celestial navigation.
Passage Planning
Passage planning, part 1. Read this text to understand the four key steps of a passage planning.
Passage planning, part 2. The first two steps of text one are applied to a passage from the Bahamas to Canada.
Passage planning, part 3. The last two steps of text one are applied to a passage from the Bahams to Canada.
Seamanship
22 knots of practical marine use. Learn the first 9 basic knots. The remaining are variants of those knots.
How to repair mooring lines. Learn about the materials used for mooring lines and how to perform splices.
Miscelaneous
Spherical trigonometry and navigation. An example of how to apply spherical trigonometry to long passages. Maths required.
How to make an electricity budget on a sailboat. Figure out how much electricity you need, how much you batteries can store, and how much electricity you can produce. Hopefully, the three overlap.
A software for drawing navigation tools. This is for instructors who wish to make clean drawings of navigation symbols.
Forecasting tides with 37 numbers. Ever wondered how tide tables are produced? This text is for you.