Copterline Oy was Finland's largest helicopterairline established on 15 October 1990 as Copter Action and renamed to Copterline in 2000.[1] In 2004 the company ferried over 75,000 passengers. On December 19, 2008, Copterline confirmed that it had ceased its scheduled service between Helsinki and Tallinn.[2] On 15 February 2010, Copterline filed for bankruptcy, citing inability to keep the company profitable.[3] Its head office was located on the grounds of Helsinki-Malmi Airport in Helsinki.[4] In 2011, Line Support Oy, founded by mostly the same group as Copterline Oy, announced a resumption of service from September, operated by its Estonian subsidiary Copterline OÜ. On 9 September 2011, the first commercial flights were undertaken.