The British Aerospace ATP (Advanced Turbo-Prop) is an airliner produced by British Aerospace, by the time it entered the market, the segment was already well represented by designs such as the ATR 72 is a twin-engine turboprop, short-haul regional airliner developed and produced in which two countries, by aircraft manufacturer ATR?
British Aerospace ATP:  By the time it entered the market, the segment was already well represented by designs such as the de Havilland Canada Dash 8, ATR 42 and ATR 72 and production was ended after only 64 examples. ATR 72: The ATR 72 is a twin-engine turboprop, short-haul regional airliner developed and produced in France and Italy by aircraft manufacturer ATR (Aerei da Trasporto Regionale or Avions de transport régional), a joint venture formed by French aerospace company Aérospatiale (now Airbus) and Italian aviation conglomerate Aeritalia (now Leonardo S.p.A.).
France and Italy