ATR (Aerei da Trasporto Regionale or Avions de transport regional; Régional Regional Air transport In) english is A-French italian aircraft manufacturer headquartered on the grounds Of Toulouse Blagnac International airport In, Blagnac. france ATR 82 – During the mid-1980s, the company investigated a 78-seat derivative of the ATR 72. 2  This would have been powered by two Allison AE2100 turboprops (turbofans were also studied for a time) and would have a cruising speed as high as 330 knots (610 km/h; 380 mph).