 The agreements with Spanish authorities allowed only airlines from the country of origin or from Spain to fly charter flights . But because of the SAS @-@ cooperation , an agreement was made where any Scandinavian airline could fly to Spain from any of the three Scandinavian countries . <unk> , Braathens SAFE received strong competition from Sterling Airways , but on the other hand this allowed Braathens SAFE to fly charter flights from Sweden . In 1968 , the large Swedish – Danish charter airline <unk> went bankrupt , giving Braathens SAFE increased charter traffic . The company also started purchasing a larger share of <unk> Resor , until it took over all the whole company in 1978 . In Sweden , Braathens SAFE used its partners to sell charter flights to Norway , and then continue their flights using scheduled flights . Braathens SAFE was hindered by the charter regulations from making <unk> flights , as well as flights between the Scandinavian capitals . The rules also forced business travelers to use scheduled flights . 
