Boat Size Classifications & Requirements
Boat Classes By Length
Federal and state law requires that you have specific safety equipment on board depending on the class of your boat.
To know whether you need flares, a fire extinguisher, a flashlight, an air horn or all of the above, you'll need to know the boat's class.
Boat classes are determined by boat length. Let's review the four different classes of recreational boats as determined by length.
How To Determine a Boat's Size
To find out a boat's length, measure along its center line from the outside of the bow to the outside of the stern. That means any attachments, such as swim platforms or wakeboard towers, don't count towards its length.