 The airline was headquartered at Copenhagen Airport, which also served as its main base.It later also operated bases at Tromsø Airport; Stockholm Arlanda Airport; Trondheim Airport, Værnes and Bergen Airport, Flesland.Established in 1984 as Commuter Operations Department, a business unit of SAS, it initially flew minor services out of Copenhagen using a fleet of nine Fokker F27 Friendships.