Sidonie Nargeolet, the 39-year old daughter of French explorer Paul-Henri Nargeolet, said her dad knew how to "handle a crisis situation" and "react to problems"

The daughter of a French explorer Paul-Henri Nargeolet, who is believed to have perished in theTitanic submarine tragedy said she still harboured hopes of his rescue shortly before parts of the vessel were found on the Atlantic Ocean floor.