(a) As used in this act:

(i) 'Commission' means the Wyoming game and fish commission;

(ii) 'Department' means the Wyoming game and fish department;

(iii) 'Motorboat' means any watercraft propelled in any respect by propulsion machinery powered by an energy source other than human effort;

(iv) 'Operate' means to navigate or otherwise use a watercraft;

(v) 'Owner' means a person having the property in or title to a motorboat excluding a lienholder or a lessee under a lease not intended as security;

(vi) 'Safety equipment' includes personal flotation devices, towing and bailing devices, paddles, fire extinguishers and navigation lights, backfire flame arresters, whistles or other sound producing devices and ventilation systems;

(vii) 'Watercraft' means any contrivance used or designed primarily for navigation on water;

(viii) 'Waters of this state' means any waters within the jurisdiction of Wyoming;

(ix) 'This act' means W.S. 41-13-101 through 41-13-220.

(b) Motorboats subject to the provisions of this act shall be divided into four (4) classes as follows:

(i) Class A. Less than sixteen (16) feet in length;

(ii) Class B. Sixteen (16) feet or over and less than twenty-six (26) feet in length;

(iii) Class C. Twenty-six (26) feet or over and less than forty (40) feet in length;

(iv) Class D. Forty (40) feet or over.