 In 1982 , Braathens SAFE bought 15 % of DNL . It also applied , though the sister company Braathens Helikopter , for concessions for helicopter services from Stavanger to offshore oil platforms . As a reaction , the incumbent , Helikopter Service , applied for Braathens <unk> West Coast routes . At this point , SAS bought 15 % of Helikopter Service . In 1984 , Braathens SAFE introduced services to Farsund Airport , using wet leased F @-@ 27s from Busy Bee . The same arrangement was used to connect Haugesund to Bergen and Stavanger . In Haugesund , this was in competition with <unk> . Busy Bee @-@ operated planes were also used on routes from Sandefjord in competition with Norsk <unk> . The same year , the cabin crew had a 14 @-@ day strike , halting all flights . It was caused by the company paying lower wages than SAS and Busy Bee . In 1985 , a new booking system was introduced , that allowed <unk> . This gave increased revenue , but the company had to start <unk> rejected passengers with a full <unk> and a free seat on the next flight . On 16 December 1985 , the airline 's administration moved into the a new building , the Diamond , located at Fornebu . The frequent flyer program <unk> was launched in September 1985 . It was a cooperation with Inter Nor Hotels , and gave special privileges to travelers that made 25 full @-@ price trips per year with Braathens . 
