Sterling European Airways (Copenhagen Kastrup) and Iceland Express (Reykjavik Keflavik) are now owned by Icelandic holding Northern Travel Group that was formed by Icelandic investment firms FL Group, Fons and Sund and now also holds Fons' 51% stake in UK charter carrier Astraeus (5W/London Gatwick). Sterling is taking advantage of the FlyMe bankruptcy by adding new services to its network: Copenhagen-Berlin Tegel: 2x daily B737-500 service starting on March 25 (replacing service to Berlin Tempelhof) Copenhagen-Biarritz: 2x weekly B737-500 service starting on May 14 Gothenburg Landvetter-Palma de Mallorca: weekly B737-300 service starting on April 1 Gothenburg Landvetter-Rome Ciampino: 2x weekly B737-300 service starting on April 1 Oslo Gardermoen-Biarritz: 2x weekly B737-700 service starting on May 15 Stockholm Arlanda-Gothenburg Landvetter: 4x daily B737-300 service (already launched) Stockholm Arlanda-Malmö: 3x daily B737-700 service (already launched)