An exposed hazard such as gears and rotating machinery, must be protected by a cover, guard or rail. This is not meant to restrict access to towing equipment such as winches, drums, towing gear or steering compartment equipment necessary for the operation of the vessel.
source: USCG-2006-24412, 81 FR 40101, June 20, 2016, unless otherwise noted.
cite as: 46 CFR 144.820