 She was equipped to carry a complement of four torpedoes for her two bow torpedo tubes and had an deck gun.As part of a group of six submarines selected for Mediterranean service, "UB-47" was broken into railcar sized components and shipped to Pola where she was assembled and launched in June 1916, and commissioned in July.Over the next year the U-boat sank twenty ships, which included the French battleship and two Cunard Line steamers in use as troopships, and .