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Engines

Protect the Flow

Hoses need regular inspection and periodic replacement, or all kinds of leaks and drips can result.

Powerful Ideas

Technology is letting boaters jettison the generator, along with its weight, noise, vibration and space consumption.

The 20-Year Itch

Here’s a look at the kinds of repairs you’re likely to face with a boat at the 20-year mark.

Project Goldilocks

We designed and built a strong, safe, fast, fun and efficient aluminum passagemaker for our transition from sail to power voyaging.

Power On Tap

Understanding how your alternator does its work will keep the electricity flowing.

Engine Mounts: A Balancing Act

We love engine mounts, perhaps the hardest-working hardware in your engine room. Here’s how to make sure they love you back.

Marine Diesel Maintenance & Troubleshooting

Upgrade your boating skills and test your boating knowledge with online classes from Boaters University | AIM Marine Group, powered by Power & Motoryacht, Soundings, PassageMaker, Sail, Outboard and Yachts International.

Absolute 70 Fly

Absolute 70 Fly Reviewed

Twin 1,000-hp Volvo Penta D13s and 285 nautical miles of range give the new Absolute 70 Fly the room and speed to roam.

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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