SD387/25,BOHAI STRAIT,FROM 151600 UTC TO 171600 UTC JUN,TUG FEIHONGTUO1 TOWING YUHANGQIZHONG28, FROM 37-48.93N 120-50.36E TO 38-20.88N 119-31.45E, MAINLY VIA:37-49.15N 120-50.20E,37-49.17N 120-50.00E, 37-49.56N 120-49.67E,37-50.26N 120-49.30E,37-51.60N 120-49.59E,37-51.65N 120-53.59E,37-54.68N 121-02.65E, 37-59.14N 120-59.98E,38-00.25N 120-51.42E,38-03.19N 120-33.99E,38-04.84N 120-27.25E,38-05.43N 120-15.90E, 38-11.36N 119-33.19E AND 38-12.47N 119-29.27E,TOWING LENGTH 250 METERS,SPEED 5 KNOTS.CAUTION TO AVOID.SHANDONG MSA CHINA.