Originally she was built in 1893 as passenger liner RMS Campania for Liverpool-New York service. In 1914 she was sold for scraping but purchased by the RN in November 1914 and converted to an seaplane tender with availability of using ground based aircraft. In 1915 she was commissioned. The most of the WW1 she operated out of Scapa Flow. In Autumn 1918 she was relocated to the Forth. On November 5th, 1918 while she was lying at anchor in the Firth of Forth, she collided with HMS Royal Oak and HMS Glorious battleships, than sank. All ship's crewmembers were survived.
Took part in wars:
World War 1 - Battles over British coast, English Channel and North Sea (1914-1918)
Fairey F.16/F.17/F.22 Campania [ 1 ].