In this chapter, the term:

(1) “Headway speed”  in this section means the slowest speed at which a personal watercraft can be operated and maintain steerage way.

(2) “Operator”  means a person who operates or who has charge of the navigation or use of a watercraft.

(3) “Personal watercraft”  means a vessel which uses an inboard motor powering a water jet pump as its primary source of motive power and which is designed to be operated by a person sitting, standing, or kneeling on the vessel, rather than the conventional method of sitting or standing inside the vessel.