Sail board definition
Sail board means a surfboard using for propulsion a free sail system comprising one or more swivel-mounted rigs (mast, sail and booms) supported in an upright position by the crew and the wind.
Sail board means a raft with a sail or sails designed to be operated by a person or persons standing upright thereon;
Sail board means a raft with a sailor sails designed to be operated by a person or persons standing upright thereon;