BOHAI STRAIT, TUGS BINHAI697 AND LONGGANGTUO23 TOWING PERRO NEGRO 11, FROM 100000UTC TO 141000UTC JUL, LENGTH OVERALL 550 METERS, SPEED 4 KNOTS, VIA 37-38.41N，120-14.74E 37-38.77N，120-13.56E 37-41.27N，120-11.42E 37-50.04N，120-09.0E 38-13.5N，120-20.0E.
CAUTION TO AVOID.
SHANDONG MSA CHINA.