カール・グスタフ・エミール・マンネルヘイム
During the interwar period "Tarmo" was stationed at the Gulf of Finland, where in addition to assisting ships she often had to rescue local fishermen trapped on drifting ice floes. In early 1919 she was used for transporting volunteers to Tallinn to aid with the Estonian War of Independence. She also transported Carl Gustaf Emil Mannerheim to Stockholm and Copenhagen in February 1919.