In this chapter, the following terms have the meanings indicated. Terms Defined. “Houseboat” means a boat constructed for use as a residence or used principally as a residence. “Lake” means the area of pooled water within the watershed of Deep Creek in Garrett County, Maryland, formed by the Penelec dam and the lake bottom. Length Overall. “Length overall” means the distance measured in a straight line from the foremost part of the vessel to the aftermost part of the vessel, exclusive of sheer. “Length overall” includes integrally formed, molded, or welded components and appendages including but not limited to: Bow pulpits; Swim platforms; Attached structures for propulsion systems; and Structural rub rails installed by the builder. “Length overall” does not include: Bowsprits; Bumpkins; Rudders; Outboard motors; Outdrives; Brackets; or Items, including swim platforms, bolted on or secured to the primary structure. “Penelec” means the Pennsylvania Electric Company. “Personal watercraft” means a Class A vessel which: Has an inboard motor using 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 is considered a personal watercraft.