It is unlawful for the master, owner, or any person in charge of any vessel, while lying at any pier or while navigating in the waters of Pierce County, unnecessarily to cause any whistle or siren to be blown or sounded, nor shall any person flash the rays of a searchlight or other blinding light onto the bridge or into the pilot house of any vessel under way for any purpose other than those authorized by law.

A violation of this Section constitutes a Class 4 civil infraction under Chapter 1.16 PCC.