Owner or operator
Owner or operator means any person or entity that owns, or maintains operational control over, any facility, vessel, or OCS facility subject to this subchapter. This includes a towing vessel that has operational control of an unmanned vessel when the unmanned vessel is attached to the towing vessel and a facility that has operational control of an unmanned vessel when the unmanned vessel is not attached to a towing vessel and is moored to the facility; attachment begins with the securing of the first mooring line and ends with the casting-off of the last mooring line.
33 CFR § 101.105
Unless otherwise specified, as used in this subchapter: