摘要 |
<p>A vessel comprising a plurality of hulls, a propulsion system including propulsion devices at respective end regions of the plurality of hulls and a control system connected to the propulsion system to control operation of the propulsion devices so as to position the hulls, wherein the propulsion devices are angled relative to the vertical longitudinally of each hull. Such vessel can perform installation functions of sub-surface assets such as tidal turbines, wave energy devices, cable laying and the like, or to facilitate foundation installations and also the function of inspecting sub-surface areas.</p> |