312 IAC 5-2-49 "Whistle" defined

Sec. 49. "Whistle" means a sound signaling appliance capable of producing frequencies between the following limits: (1) One hundred thirty (130) to three hundred fifty (350) hertz for a boat seventy-five (75) meters long, but less than two hundred (200) meters long. (2) Two hundred fifty (250) to five thousand two hundred forty-five (5,245) hertz for a boat less than seventy-five (75) meters long.