The oil product tanker Hai Soon 12 was hijacked in Sunda Straits by nine armed pirates. The vessel was en route from Singapore with cargo of 4,000 metric tons of Marine Gas Oil, which was addressed for sale and bunkering of fishing ships, but off Pulau Belitung was attacked by pirates with fast boat. The armed men climbed up the poop deck during the night and took took control over the product tanker. All the crew members were locked in the messroom, without access to communication equipment and ability to report about the piracy attack. The pirates headed to Bawean Island, where sheltered and started preparation for fuel transfer.

The company operator of the product tanker Hai Soon 12 informed the local authorities that lost communication with the ship for more than 12 hours. The Indonesia Navy dispatched two vessels at the traced position of the ship. The navy succeeded to board the product tanker and arrested all the pirates. All the 21 crew members were unharmed and in good health. The oil product tanker Hai Soon 12 was detained and escorted to Surabaya, where will be held further investigation. According to the authorities, the pirates aimed to sell the fuel on board to onshore traders, but waited for the night to make transfer.

The oil product tanker Hai Soon 12 (IMO: 9078751) has overall length of 100.00 m, moulded beam of 14.00 m and maximum draft of 5.00 m. The deadweight of the ship is 5,423 DWT and the gross tonnage is 3,243 GRT. The tanker was built in 1993 by Murakami Hide Shipbuilding in their shipyard in Imabari, Japan. The vessel is owned and operated by Singaporean company Hai Soon Shipmanagement.