Rules for IN divers and boaters
According to research done by Tom Holtey of :
For Divers in Indiana
12″ x 12″ Diver Down Flag, visible from 360 degrees. Divers must stay within 100′ feet of flag. White light required for anchored vessel, at night, visible from 360 degrees from 2 miles. Federal regulations may apply to Great Lakes and/or international waters.
For Boaters in Indiana
Other boaters must keep 150’ from flag, unless supporting the diver.
chris-(@)-interesting.com (remove the hyphens and parentheses)
P.S. This information was as complete and up-to-date as I could reasonably make it. This material is not a complete analysis of the topic and should not be construed as providing legal advice. Readers should conduct their own appropriate legal research or contact an attorney in their own state.