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Handbook of Missouri Boating Laws and Responsibilities Missouri State Water Patrol

Boating Basics: Before Going Out

Before going out on the water, take steps to make the outing safe and enjoyable.

Vessel Length Classes

A vessel's length class determines the equipment necessary to comply with federal and state laws.

Vessels are divided into classes by length:

  • Class A: Less than 16 feet
  • Class 1: 16 feet to less than 26 feet
  • Class 2: 26 feet to less than 40 feet
  • Class 3: 40 feet and over

Length is measured from the tip of the bow in a straight line to the stern. This does not include outboard motors, brackets, rudders, bow attachments, or swim platforms and ladders that are not a molded part of the hull.

Picture of Length Measurement of Inboard Motorboat:

Measuring inboard length

Picture of Length Measurement of Outboard Motorboat:

Measuring outboard length

Vessel Capacity

Vessel maximum capacity plateAlways check the capacity plate, which is usually found near the operator's position or on the vessel's transom. This plate indicates the maximum weight capacity and maximum number of people that the vessel can carry safely.

PWCs and some other vessels are not required to have a capacity plate. Always follow the recommended capacity in the owner's manual and on the manufacturer's warning decal.

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Missouri Boating Handbook
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Online boating safety handbook last modified: September 17, 2008
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