971.16  SITTING, STANDING OR WALKING ON MOVING CRAFT RESTRICTED.
   No occupant of any watercraft under way on the waters of this City shall sit, stand or walk upon any portion of the watercraft not specifically designed for such movement, except when immediately necessary for the safe and reasonable navigation or operation of such watercraft.
   No operator of a watercraft under way on the waters of this City shall allow any occupant of the watercraft to sit, stand or walk on any portion of the watercraft not specifically designed for that use except when immediately necessary for the safe and reasonable navigation or operation of the watercraft.  (ORC 1547.22)