Abstract: Tanker loading assembly includes a first on-board hose arrangement with first coupling portion and a second submerged buoyant hose arrangement provided with second coupling portion for cooperation with the first coupling portion for obtaining a fluid-tight connection between the first and second hose arrangements. The first coupling portion is positioned in an internal vertical passage of the tanker, wherein a lifting device is provided for engaging the second coupling portion and lifting it towards the position for engaging the first coupling portion.