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Inside Job: Why Oil Analysis Can Help Save Your Engines

For many, the subject is at best of passing interest and at worst an arcane oddity. But many serious boaters consider it an interesting technology that can be a meaningful part of their maintenance regimen. If you fall into the first category, read on at your risk but please don’t snore.

Marine Fuel Additives; An Ounce of Prevention

Do you use a fuel additive? If so, why, and how did you choose it? Are you sure you need it? If you haven’t considered these questions you could be damaging your fuel system or wasting your money. Or both.

Twin delivery captains Assen and Nikolay Alexandrov standing on the bow deck of a motor yacht docked alongside a pier.

The Twins

After more than 500,000 nautical miles as yacht delivery captains, Assen and Nikolay Alexandrov are still bringing boats home.

Alt Text: A close-up view of two polished stainless-steel windlasses and anchor gypsies mounted on the white foredeck of a yacht under a partly cloudy sky.

Anchors Aweigh

Windlass and ground tackle maintenance can make all the difference in an emergency.

A Garmin marine chartplotter display screen showing a digital nautical map with AIS vessel tracking, route waypoints, and navigation data overlay.

Understanding AIS

Good seamanship means using every available tool, but never relying on any one alone.

Three side-by-side screenshots from the Navionics app showing nautical charts of Hell Gate and Wards Island, contrasting a correct manually plotted water route on the left with two flawed AI-generated routes on the middle and right that erroneously plot course lines directly across land.

A Suspicious Plot

I used AI to chart a course through a notorious waterway. The results were unusable.

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