MV Irene SL
 M/T Irene SL is a Greek-owned and -operated VLCC (Very Large Crude Carrier) or supertanker. It was pirated presumably by Somali pirates on February 9 2011 approximately 350 miles Southeast of Muscat Oman in the Arabian Sea.Built in 2004 the Irene SL has a gross tonnage of 161175 GT with a displacement of 319247 DWT. It is 330 metres (1080 ft) long has a beam of 60 metres (200 ft) and a draft of 22.5 metres (74 ft). The vessel has a single deck and is double-hulled.