South Korean airline SUM Air ordered up to 8 ATR72-600 aircraft.

On April 7, according to the regional aircraft manufacturer ATR, South Korea's newest regional airline, SUM Air, has ordered four brand new ATR72-600 aircraft and has options for four additional aircraft, with deliveries expected to begin in 2028. The airline began commercial operations in March 2026, with the first aircraft being an ATR72-600 leased from Avation.