A person who violates this subsection commits a civil violation for which a forfeiture of not less than $100 nor more than $500 may be adjudged.

11.__Operating motorboat without muffler.__A person may not operate a motorboat that is not equipped at all times with an effective and suitable muffling device on its engine or engines to effectively deaden or muffle the noise of the exhaust, except that:

A.__Motorboats that are operating in a regatta or race approved by the commissioner under section 13061 may use cutouts for these motorboats while on trial runs or competing in speed events, for a period not to exceed 48 hours immediately preceding or following such an authorized event.

A person who violates this subsection commits a civil violation for which a forfeiture of not less than $100 nor more than $500 may be adjudged.

12.__Tampering with a motorboat muffler system.__A person may not modify a motorboat muffler system in any way that results in an increase in the decibels of sound emitted by that motorboat.

A person who violates this subsection commits a civil violation for which a forfeiture not to exceed $100 may be adjudged, payable to the Treasurer of State and recoverable in a civil action.

13.__Headway speed only.__A person may not operate a watercraft at a speed greater than headway speed while within the water safety zone or within a marina or an approved anchorage in coastal or inland waters except:

A.__While actively fishing; or

B.__While picking up or dropping off one or more persons on water skis in the water safety zone if a reasonably direct course is taken through the water safety zone between the point that the skiers are picked up or dropped off and the outer boundary of the water safety zone.

For the purposes of this subsection, "headway speed" means the minimum speed necessary to maintain steerage and control of the watercraft while the watercraft is moving.