The 6th International Conference on Collision and Grounding of Ship and Offshore Structures will be held in Trondheim 17-19. of June 2013. The conference is organized by the Institue of Marine Technology at the Norwegian University of Science and Technology. We encourage naval architects, marine engineers and scientists from all over the world to attend and present results of their latest research. At ICCGS 2013 you will share your experience, be informed about state of the art developments in collision and grounding, as well as take part in many fruitful discussions. All papers will be peer-reviewed for high scientific quality. We are convinced that you will enjoy the conference in Trondheim. The aim of ICCGS conferences is to present state-of-the-art methods for analysis and design against collision and grounding of ships, collisions between ships and ice bergs, offshore structures, bridges, submerged tunnels and waterfront structures. Previous conferences were held in: Helsinki 2010 Hamburg 2007 Tokyo 2004 Copenhagen 2001 San Francisco 1996