It shall be unlawful for any pilot to pilot any vessel, including a tug, without having in his or her possession on the vessel being piloted current charts of all waters through which the vessel is being piloted. Likewise, it shall be unlawful for any tug to tow any barge or other craft of any size without first having on board, and available for use, current charts of all waters through which the barge or other craft is being towed.
R.I. Gen. Laws § 46-9-4.1