Soder Aviation Oy was originally a full-fledged airline (Soder Airlines) with an operator's certificate, and later, after a name change, a virtual airline and internet booking agency based in Tampere, Finland. Its CEO was Tapani Yli-Saunamäki. Its main base was at Tampere-Pirkkala Airport (TMP), Tampere. There was an additional base established early 2006 at Helsinki-Vantaa International Airport, since there were no routes to/from Tampere at that time.