"Finnish Commuter Airlines Oy". Business Information System. Helsinki: National Board of Patents and Registration, Tax Administration. Archived from the original on 30 September 2011. Retrieved 20 May 2011.
"Finnish Commuter Airlines Oy". Business Information System. Helsinki: National Board of Patents and Registration, Tax Administration. Archived from the original on 30 September 2011. Retrieved 20 May 2011.