I was thinking , what if the cable was to break ? There is no engine , so it would just drift down steam until it hit something .,(reply>), A permanently manned Firefighter/Rescue Boat is nearby. There have been Incidents with snapped Cables but the Ferries were always taken under Tow before they got anywhere near the Hydroelectric Dam. There is no Way to paddle against the Current in Basel; the Navigators on the large Freight Ships even need a special License or have to take a Pilot to Go there because of the strong Current in a narrow River Bend with many Bridges.,(reply>), There are emergency paddles on the reaction ferries, to be used in just such an event.