 The Š-1 first flew in 1920.Ivo Linna

Ivo Linna (born 12 June 1949 in Kuressaare) is an Estonian singer.He represented Estonia in the Eurovision Song Contest 1996 with the song "Kaelakee Hääl" (in a duet with Maarja-Liis Ilus) which finished 5th at the contest, held in Oslo that year.