Generic vs Type-Specific ECDIS Training
An officer can hold a valid ECDIS certificate and still be unfit to keep watch on the system in front of them. Here is why ECDIS training comes in two parts — and which one actually gets ships detained.
navigation
Radar Basics
A working guide to marine radar: how it builds its picture, how to read motion and risk of collision from it, how to tune it, and where it goes blind.
Dead Reckoning vs GPS
They are not rivals. GPS gives where the ship is; dead reckoning gives where she should be. How the fix, DR, and estimated position fit, and why both still run today.
ECDIS Explained: What It Is and How It Works
The electronic chart has replaced the chart table as the heart of the modern bridge. Here is what ECDIS is, how it works, and how to make it the anti-grounding tool it was built to be.
Maneuvering a Ship in Heavy Seas: The Hidden Dangers
Heading and speed are the only two levers you have in a storm. Used well, they keep your ship clear of the resonance and broaching that capsize vessels and part lashings.
COLREGs: The Rules of the Road at Sea
No lanes, no traffic lights, just one ruleset that decides who gives way and who holds course. A working guide to the COLREGs and the judgment behind them.
Buoys and Markers: How to Read the IALA Buoyage System
Learn how to identify and understand buoys and markers, including lateral marks, cardinal marks, danger marks, and navigation aids essential for safe seamanship.
Reading Nautical Charts: What a Chart Actually Tells You
A nautical chart is not a picture of the seabed but a conservative model of it. What soundings, drying heights, and datums mean, and why the sea is almost always deeper than the printed figure.