625 ILCS 45/4-4
Current through Public Acts 103-1 through 103-587, 103-589, and 103-590
It is unlawful to operate a motorboat without a mouth, hand or power operated whistle, horn or other appliance, capable of producing a blast of 2 seconds or more duration and audible for at least one-half mile.
625 ILCS 45/4-4