(a) No person shall serve as a crew member on any charter boat while under the influence of intoxicating liquor, any drug, or the combined influence of intoxicating liquor and any drug.
(b) No person shall serve as a crew member on any charter boat while under the influence of intoxicating liquor, any drug, or under the combined influence of intoxicating liquor and any drug, and while so serving, do any act forbidden by law, or neglect any duty imposed by law in the use of the vessel, which act or neglect proximately causes bodily injury to any person other than himself or herself.