 Four cranes with a lifting capacity of 10 t and three small cranes (2 x 2 t and 1 x 0.5 t) allow the transport of research material across the ship.A winch enables deploying devices to the ocean floor to 12,000 m of water depth.Some of the tasks of the RV Sonne are to conduct seabed surveys (bathymetry) with different high-precision echo-sounding systems and seismic surveys.