Section 162.140 - Connecting waters from Lake Huron to Lake Erie; miscellaneous rules(a)Rules for towing vessels.(1) A towing vessel may drop or anchor its tows only in accordance with the provisions of § 162.136 .(2) A towing vessel engaged in arranging its tow shall not obstruct the navigation of other vessels.(b)Pilots. In the St. Clair River between Lake Huron Cut Lighted Buoy 1 and Port Huron Traffic Lighted Buoy, vessels shall not take on, discharge, or exchange pilots unless weather conditions would make the maneuver unsafe in the customary pilot area.CGD 78-151, 49 FR 18302, Apr. 30, 1984