sentences:  Larger vessels also joined the search, with RFA "Bayleaf" and the "Ben-my-Chree", the Isle of Man ferry moving into the area to help.The search was called off at dusk on 12 January, when two unopened liferafts were found.The Royal Navy was called in to assist and the "Sandown" class minehunter HMS "Sandown" began to search the sea bed.