BOHAI SEA ，TUG “SHENGLI291” TOWING “SHENGLIZUOYESIHAO” PLATFORM FROM ZHX114（38-07′38.404″N/118-57′1.048″E）TO PLATFORM CB25F （38-14′9.869″N/118-49′35.1″E）FROM 091600 UTC DEC TO 151600 UTC DEC. SPEED 3 KNOTS. LENGTH OF TOWING 300 METERS .CAUTION REQUESTED. SHANDONG MSA.