FS2004/FSX BALAIR Douglas DC-6B Combi. This former Swiss airliner (Balair) is named after the city Basel, Basel-Stadt Switzerland. Swissair obtained a couple of DC-4s (-59) and four ex-Swissair DC-6s from 1960. Balair DC6B (HB-IBS) repainted by, Dag O. Farestveit. The freeware CalClassic DC-6 model by Greg Pepper and Tom Gibson is needed for this repaint.