The Pampa was built as an ocean liner for service between Marseille and South-America. The ship was requisitioned by the Army and converted into a troop ship for use in World War I.
On 27 August 1918, she was sailing with French soldiers on board from Marseille via Bizerte to Thessaloniki in a convoy consisting of 5 other transport ships and 4 destroyers. She was torpedoed at 03:30 by German U-boat SM UC-22, commanded by Eberhard Weichold. She sank at 04:20, 84 nautical miles (156 km) east of Malta, causing the death of 117 soldiers.
^Helgason, Guðmundur. "Ships hit during WWI: Pampa". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 11 April 2015.