On August 1 Mitsui Engineering & Shipbuilding Co., Ltd. starts ship operational analysis service on the Ship Operation Support Portal Site of its Maritime Solution Dept., which enables the assumption of actual ship’s performance under real navigational conditions. Due to the change of operational environment by the soaring of oil price, global demand for controlling greenhouse gas emission etc., the ship operation nowadays is required to pay attention not only to the economy and efficiency, as was before, but also to the environmental load. In this offered service, the navigational data of the ship are analyzed by creating a ship model by means of a Ship Operation Analysis System developed by Akishima Laboratories (Mitsui Zosen) Ltd. (MES’s 100 percent owned subsidiary with president Mr.