As the crew battled to bring the ship , which was running low on fuel , safely in to port at Galway in Ireland , she was struck by a torpedo from a German U-Boat . SS Calcutta was sunk by a German U - Boat in February 1941 . The ship was carrying a cargo of silver ore , tea and pig iron . Only one of the five people on board survived the sinking . Wreck found 300 meters off the coast of Ireland , at a depth of 4,700 meters .
SS Calcutta was sunk by a German U - Boat in February 1941 . The ship was carrying a cargo of silver ore , tea and pig iron . Only one of the five people on board survived the sinking . Wreck found 300 meters off the coast of Ireland , at a depth of 4,700 meters .