 Complete the following phrase:  Scheduled services have been operated from Queenstown to Te Anau in the past, with Mount Cook Airlines Hawker Siddeley HS 748 and de Havilland DHC-6 Twin Otter aircraft. Air New Zealand ATR-72 aircraft operated when the HS748s and DHC-6s were retired but low passenger numbers saw the service cancelled. Air New Zealand had plans to resume a daily Christchurch service prior to the 