In May 2015 two Viking Air DHC-6-400 Twin Otter aircraft were acquired by Highlands and Islands Airports to be operated by Loganair on the Scottish Government's Public Service Obligation routes between Glasgow and Campbeltown, Tiree and Barra.
Pada bulan Mei 2015 dua pesawat Viking Air DHC-6-400 Twin Otter dibeli oleh Highlands and Islands Airports untuk dioperasikan oleh Loganair pada rute Public Service Obligation dari Pemerintah Skotlansia antara Glasgow dan Cambeltown, Tiree dan Barra.