BOHAI SEA ，TUG “HAIYANGSHIYOU677”TOWING “TIAOZHANZHE” PLATFORM FROM KL9-1N-3d（37°51′39.092″N；119°24′54.039″E） TO KL16-1WHPA（37°39′14.822″N，119°31′28.570″E） FROM 041600 UTC JUN TO 121600 UTC JUN.SPEED 4 KNOTS.LENGTH OF TOWING 550 METERS. CAUTION REQUESTED.