BOHAI SEA AND HUANGHAI SEA, FROM211000UTC TO 301600UTC JAN,TUGSHENGLI 291、SHENGLI 241 TOWING PLATFORM SHENGLI 7 HAO,FROM （37-35-45.2N/ 121-22-57.1E） VIA (37-34-48.2N/121-24-22.0E、37-35-18.2N/121-26-55.1E、37-38-37.6N/121-26-05.9E、37-54-30.9N/121-18-59.2E、37-58-48.3N/121-0-29.6E、38-04-22.6N/120-27-07.5E、37-30-53.9N/119-22-12.7E)TO （37-24-53.8N/119-04-14.6E）, LENGTH OVERALL500METERS, SPEED 4 KNOTS.
CAUTION TO AVOID.