Abstract: A system for mooring a ship or like floating vessel to an offshore structure and for transferring a fluid between duct means provided on said ship and structure, respectively, comprising at least one hawser and at least one fluid transferring hose pipe connected with one end thereof to duct means on one of the ship and the structure and with its opposite free end to one end of said hawser, wherein the improvement consists in that said hose pipe end is provided with connecting means which, in the stowage position, is normally connected to one of the ship and the structure, said means being adapted to be detached from said one of the ship and the structure, in order to be attached to the other one of said ship and structure whereas a tow-line is provided for at the same time drawings along the hawser towards its operative position, said hose pipe end being provided with pipe fittings for removable connection to duct means on the other one of said ship and structure.