Watercraft Insurance Definitions
- Actual cash value
- Value of a watercraft, engine or other piece of equipment after depreciation has been applied. This value is usually determined at the time of a loss.
- Agreed value
- Value of watercraft as agreed upon between insured, agent and underwriter. Amount should equal present market value. This is the amount paid in the event of a total loss, with the hull deductible waived.
- Bass boat
- Small, fast watercraft used for both recreational and tournament fishing. Watercraft is characterized by low freeboard, lightweight & high performance.
- Beam
- The greatest width of the boat.
- Bow
- Forward part of the boat
- Business entertainment
- Use of watercraft to entertain business clients & associates when no money or payment for use of watercraft is implied or agreed to.
- Business use
- Use of watercraft for financial gains. This includes: conducting business transactions, transportation of cargo, livestock or people.
- Carbon fiber
- Graphite fibers when combined with epoxy resin (glue) form to make a strong light material used to make sailboat spars and reinforcements for watercraft hulls
- Catamaran
- A twin-hulled boat, with hulls side by side.
- Charter
- Leasing watercraft to another individual or group in return for payment.
- Coastal waters
- Waters of the Atlantic, Pacific or Gulf of Mexico or immediately adjacent or directly connected to one of these bodies of water.
- Cubic centimeter (CC’s)
- A measurement of an engine’s internal physical size, not an engines horsepower. This is most often referred to with personal watercraft (PWC’s)
- Cubic inch displacement
- A measurement of an engine’s internal physical size, not an engine’s horsepower.
- (C.I.D.)
- This is most often referred to with inboard and inboard/outdrive engines.
- Engine rated horsepower
- Measurement of the horsepower taken directly from the engine itself. This measurement is not taken from the propeller, pump or, outdrive.
- Exhibition
- Offering boat for public display. Example: to place watercraft in a boat show.
- Fair market value
- Price for which a watercraft could realistically be sold as equipped and in its present condition.
- Freeboard
- Distance between the water and the deck.
- Gran Prix sailboat
- Sailboat specifically designed for racing not cruising.
- High performance
- Watercraft than can exceed 50 miles per hour.
- Horsepower
- Unit of measurement used to determine power and output of an engine.
- Hull
- Main body of a watercraft
- Inboard/Outdrive
- Engine mounted in the watercraft, usually near the transom, and is attached to a unit outside the watercraft that holds the propeller.
- Inboard motor
- Engine mounted in the watercraft in which propeller shaft protrudes through the bottom of the boat directly from the engine.
- Inland waters
- Lakes and rivers away from the coast with no direct access to the ocean.
- Jet boat
- Watercraft that is propelled by an engine connected to a jet pump within the boat. This boat has no external propeller.
- Jet pump
- Water pump that takes in water from an opening in the bottom of a watercraft and forces the water through an opening or tube in the stern of the boat.
- Jones Act
- Covers the owner’s liability to captain and/or crew.
- Marine survey
- Independent evaluation of watercraft’s value and condition by a professional marine surveyor. A complete marine survey consists of three primary components: (1) Accurate and detailed description of watercraft, (2) Fair Market Valuation of watercraft, (3) List of deficiencies and recommendations for repair.
- Marine Surveyor
- Person whose primary occupation is that of conducting marine surveys. Qualified marine surveyors usually belong to and are accredited by a professional marine surveyor organization.
- Megayacht
- Watercraft of $1,000,000+ in value with at least one full-time paid captain or crew.
- One-design sailboat
- Racing sailboat, which is designed and built within pre-defined parameters so that all boats in its class are exactly alike.
- Outboard motor
- Engine mounted with clamps on the outside of boats hull.
- Personal effects
- Personal property brought from home and not left permanently aboard the watercraft.
- Personal watercraft
- Watercraft less than 13′ in length designed to be operated by a person sitting or persons sitting, standing or kneeling on the watercraft rather than within the confines of a hull.
- Ski boat
- 18′ – 22′ watercraft used primarily for water-skiing. Watercraft usually has an inboard motor and max. speed between 40 – 50 mph.
- Snowbird
- One who travels south in the winter and returns north in the summer.
- Snowbird endorsement
- Endorsement warranting that the insured watercraft be north of a set location between two particular dates. This avoids exposure to hurricanes & tropical storms.
- Spars
- General term for masts, booms, etc.
- Stern
- The aft part of the boat.
- Tidal waters
- Waters subject to the daily tides. Example: oceans, bays, gulfs, inlets, inter-coastal waterways and tidal regions of rivers.
- Transom
- The stem cross-section of the boat
- Trimaran
- A three hulled boat, with hulls side by side. The middle hull is usually larger than the others, contains the cockpit and any amenities.
- United States Long Shore and Harbor Workers Act
- Owner’s liability coverage workers hired to perform “seaman like duties” on the insured watercraft such as repairs, upgrades and modifications.

