BOHAI SEA ，TUG “SHENG LI 291” TOWING “SHENG LI ZUO YE 6 ”PLATFORM. FROM CACB12B（38°11′39.29″N，118°50′11.87″E）TO CACB22FA（38°14′27.28"N，118°48′20.98″E）. FROM 251600 UTC MAR. TO 041600 UTC Apr. SPEED 4 KNOTS. LENGTH OF TOWING 300 METERS. CAUTION REQUESTED.