On October 18, 2003, Wuchang Shipyard and the Greek ship-owner TOISA signed a contract for building three VS 4612 AHTS vessels. The vessel is designed by the world-famous Norwegian design company VIK-SANDVIK. On August 18,2004, construction of the lead vessel started and on March 21, 2007, the last of the three vessels was delivered to the Greek ship-owner.