At 2.20am on 15th April 1912 the Titanic was plunging 12000 feet to the ocean floor. Machinery coal crystal goblets pianos and jewellery all tumble through the dark water. Hundreds of passengers and crew remain trapped below decks hundreds more will perish on the surface. This is the definitive chronology of the Titanics final hours told in fascinating detail and offering a realtime experience of one of the greatest dramas of twentieth century history.