Section 312IAC5-4-6. Buoys used as navigation aids; geometric shapes and designations

   (a) Geometric shapes must be placed on the white portion of the body of a buoy. The geometric shapes must be colored international orange. The authorized geometric shapes and meanings associated with them are as follows:

(1) A vertical, open-faced diamond shape means danger. This shape is illustrated as follows:

 

(2) A vertical, open-faced diamond shape with a cross centered in the diamond designates a zone which is excluded from usage by a boat or from some other designated purpose. This shape is illustrated as follows:

 

(3) A circular shape designates a zone where a boat may be operated only if the operation complies with certain restrictions. This shape is illustrated as follows:

 

(4) A square or rectangular shape means information or directions are provided. This shape is illustrated as follows:

  (b) If a diamond or circular geometric shape associated with the meaning of the marker is included, the meaning must be centered on the sign. If a regulatory marker consists of a square or rectangular shaped sign displayed from a structure, the sign shall be white with an international orange border. (Natural Resources Commission; 312 IAC 5-4-6; filed Mar 23, 2001, 2:50 p.m.: 24 IR 2371, eff Jan 1, 2002; readopted filed May 29, 2008, 1:53 p.m.: 20080625-IR-312080057RFA; errata filed Jun 2, 2009, 10:29 a.m.: 20090624-IR-312090386ACA; readopted filed Jul 17, 2014, 3:46 p.m.: 20140813-IR-312140067RFA)