The South Korean aggregates carrier SK No.1 collided with 161-ton tug in Mokpo Strait on about a nautical mile off Mokpogu Lighthouse. Following the accident, the tug capsized and sank, which caused capsizing and sinking of the tug. The four crew of the capsized tug fell overboard, but were rescued from the waters by the freighter and taken on board without reported serious injuries. The aggregates carrier SK No.1 also suffered damages of bow starboard, but remained afloat. The cargo ship was detained for special survey and safety inspection by the local authorities. The area of sinking of the tug is monitored for oil leaks.
The local authorities initiated investigation for the root cause of the accident. According to preliminary information, the freighter is responsible for the collision, as the duty officer violate the ColReg rules. The freighter was seeing the tug from the starboard and although being in the separation scheme must maneuver and give advantage to the tug.
The aggregates carrier SK No.1 (IMO: 8848264) has overall length of 76.50 m, moulded beam of 14.40 m and maximum draft of 3.50 m. The deadweight of the vessel is 3,206 DWT and the gross tonnage is 1,494 GRT. The ship was built in 1991 by Ilheung Shipbuilding and Engineering in their shipyard in Mokpo, South Korea. The owner and operator of the aggregates carrier SK No.1 is local company Kum-Young Industry.