Marine Glossary
Seacock
A valve on a through-hull fitting that can be closed to prevent water entering the boat. Must be accessible and maintained — a failed seacock can sink a boat.
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Articles mentioning “Seacock”
Guides6mMarine Electrical Systems: Safe Power On The Water
Your boat's electrical system is the difference between a great day and a tow home. Learn 12V DC basics, battery management, and the 5 most common failures.
Captain Sarah Okonkwoupd
Guides7mInstalling a Through-Hull Transducer: A Step-by-Step Guide
A properly installed transducer is the difference between clear sonar and noise. Learn the 8 steps to a professional through-hull installation.
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Reviews6mGarmin Echomap UHD2 9sv Review: Worth the Price?
A 9-inch chartplotter with side-scan, LiveScope compatibility, and ActiveCaptain at half the price of a GPSMAP. After 18 months aboard, our honest verdict.
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A practical comparison of flooded lead-acid, AGM, and LiFePO4 marine batteries with real-world cycle life, charge profiles, and 5-year cost analysis.
Dr. Elena Vossupd