BOHAI SEA ， TUG “HAIYANGGONGCHENG1201” TOWING “HAIYANGSHIYOU924” PLATFORM FROM BZ26-2A（38-17′32″N/119-15′47″E） TO BZ13-1-A7（38-33′02.556″N/119-03′55.066″E） FROM 082200 UTC OCT .TO 111500 UTC OCT. SPEED 4.5 KNOTS.LENGTH OF TOWING 550 METERS. CAUTION REQUESTED. SHANDONG MSA.