In this chapter the following terms have the meanings indicated. Terms Defined. “Class A vessel” means a motorboat less than 16 feet in length, as defined by the U.S. Coast Guard in 46 CFR §24.10-17. “Personal watercraft” means a Class A vessel which: Has an inboard motor which uses an internal combustion engine powering a water jet pump as its primary source of motive propulsion; Is designed with the concept that the operator and passenger ride on the outside surfaces of the vessel as opposed to riding inside the vessel; Has the probability that the operator and passenger may, in the normal course of use, fall overboard; and Is designed with no open load-carrying area which would retain water. “Specialty prop craft” means a vessel less than 16 feet in length similar in appearance and operation to a personal watercraft but the primary source of propulsion is a propeller. For the purpose of this chapter, a specialty prop craft shall be considered a personal watercraft. “Restricted Visibility” means any condition in which visibility is restricted by fog, mist, falling snow, heavy rainstorms, sandstorms or any other similar causes.