BOHAI SEA ，TUG “HAIYANGSHIYOU679”TOWING “ZHONGYOUHAI18” PLATFORM FROM KL10-2-12（37°44′55.148″N；119°26′28.456″ E）TO CFD11-6CEPI (38°43′37″N；118°50′31″E) FROM 030800 UTC JUN TO 101600 UTC JUN.SPEED 4 KNOTS.LENGTH OF TOWING 550 METERS. CAUTION REQUESTED.