“Aquatic event” means any organized water event of limited duration which is duly sanctioned at least seven days in advance by duly constituted authority and which is conducted according to a prearranged schedule and in which general public interest is manifested.

“Diver’s flag” means a red flag five units of measurement on the hoist by six units of measurement on the fly with a white stripe of one unit crossing the red diagonally with the flag having stiffeners. This flag shall only pertain to skin and scuba (self-contained underwater breathing apparatus) diving, and shall supplement any nationally recognized diver’s flag or marking.

“Master” means the captain, skipper, pilot, or any person having charge of any vessel or watercraft.

“Owner” means the person who has lawful possession of a vessel or watercraft by virtue of legal title or equitable interest therein which entitled him to such possession.

“Pier” means any pier, wharf, dock, float, gridiron or other structure to promote the convenient loading or unloading or other discharge of vessels or watercraft, or the repair thereof.

“Restricted area” means an area that has been marked in accordance with and as authorized by the laws or regulations of the city to be used for, or closed to, certain designated purposes such as swimming, skindiving, and aquatic events, the method of marking and designation of which shall have been made by the chief of police in accordance with the provisions of this chapter.

“Watercraft” means any contrivance used or capable of being used as a means of transportation on water. [Code 1980 at § 10.12.020].