This Wave Handler 900 catamaran operates from the FSO 'Okha' off Sakhalin Island in Russia as a mooring line and hose handling workboat and the design was upgraded to include larger engines, dry exhausts and a fully enclosed wheelhouse for ice and cold weather operations. She has a bow access arrangement for personnel transfer and is supplied with substantial all round fendering and crane lifting points. On the aft deck the 2T hydraulic capstan is built on a plinth with fairlead and cleat.