You're safest on the water when you and your boat are seaworthy

BoatU.S. provides marine insurance coverage to 250,000 American powerboaters and sailors, which makes its collection of claims reports one of the world's largest archives of boating accidents. For more than 20 years, as writer and editor of BoatU.S.'s quarterly publication Seaworthy, Bob Adriance has sifted and analyzed this rich trove to discover and highlight the profound lessons it contains.

Here is the ultimate boater's guide to preventing, responding to, and surviving accidents under...