BOHAI SEA ，TUG “GUO HAI MIN HE”、“JI HAI 8008” TOWING “GULF DRILLER IV” PLATFORM FROM BZ34-2EP（38°07′38″N，119°33′23″E） TO PL19-3WHPM（38°22′04″N，120°05′15″
E）. FROM 231600 UTC APR. TO 051600 UTC MAY. SPEED 4KNOTS. LENGTH OF TOWING 460 METERS. CAUTION REQUESTED.