A ship designed to support oil spill clean-up operations by oil recovery, boom deployment and/or dispersant application. Oil recovery ship is equipped with fixed installations and/or mobile equipment for the removal of oil from the sea surface and its retention on board, carriage and subsequent unloading. Boom deployment vessels install floating barriers (booms) to control spilled oil. They frequently feature reels for stowage of boom. Dispersant application vessels are fitted with pumps and distribution systems.