BOHAI SEA ，TUG “SHENG LI 291” TOWING “SHENG LI ZUO YE XIN YI ” PLATFORM FROM CACB30A（38°11′39.08″N,118°55′34.05″E）TO CACB22FB（38°14′28.74″N，118°48′22.28″E）. FROM 011000 UTC FEB. TO 081600 UTC MAR. SPEED 3 KNOTS. LENGTH OF TOWING 300 METERS. CAUTION REQUESTED.