FROM BOHAI SEA TO YELLOW SEA, FROM 270600UTC OCT TO 031600UTC NOV, TUG BEIHAIJIU131 AND YANGANGTUO21 TOWING PLATFORM GULF DRILLER IV, LENGTH OVERALL 550 METERS, SPEED 5 KNOTS, VIA:
A:38-22-09N/120-06-58E；
B:38-33-06N/120-54-36E；
C:38-27-18N/121-07-48E；
D:37-40-00N/121-30-00E.
CAUTION ADVISED.
SHANDONG MSA CHINA.