The unusual stern is actually the unusual bow. I've seen several offshore support vessels with that design of bow, but I don't know what the reason is for the design. It looks like the hull has been turned upside down.
IMO 9431563 , Call Signal OYCI2 , Flag Denmark (DIS)
Class : Det Norske Veritas.
Ship Type : Multi Role Vessel ( Standby / Rescue Vessel).
Build in 2011 by Factoria Naval Marine SA Marin Spain as "ESVAGT BERGEN " for Owner / Manager Esvagt A/S Esbjerg Denmark.
good day rickles23,thursday,11.april,2013.,18:33.re:esvagt Bergen.i have watched your link,most interesting.the x bow testimonial.also thanks norm sm.11 april,2013.15:12 re:the unusual stern is actually the unusual bow,a great looking ship.thank you all.have a good day.ben27