BOHAI STRAIT, TUGS SHENGLI291 AND SHENGLI242 TOWING PLATFORM SHENGLIZUOYESIHAO, FROM ZHIFU 37-35.75N 121-22.90E TO DONGYING 38-13.20N 118-56.80E, FROM 060800UTC TO 081600UTC nov, SPEED 4 KNOTS, VIA CHANGSHAN CHANEL TSS. CAUTION TO AVOID.
SHANDONG MSA CHINA.