This boat- and harbour-simulator for docking and undocking under engine serves as a realistic trainer for skippers. the idea and the creation comes from an enthusiastic sailor. the simulator helps to improve your skills in safe manoeuvring of sailing yachts in different environments such as in narrow spaces in ports and marinas, using the prop walk as well as the effects of crosswind and current. it also allows to handle lines and fenders. besides the playful character of this simulator game the learning effect is creating the most value added for users. a range of different scenarios with various levels of difficulties are available for selection. uncomplicated visual onscreen help with short text guidances passes on the basic principles to get a feel for the handling methods. optionaly the pro-version offers wind and current to be modified. for advanced users we provide a scene-editor via in-app-pruchase.