ATR, or Aerei da Trasporto Regionale, is a French-Italian aircraft manufacturer known for producing regional turboprop airplanes. Founded in 1981, ATR specializes in designing and manufacturing aircraft that are efficient for short-haul flights, primarily serving regional airlines and connecting smaller airports. Their most popular models include the ATR 42 and ATR 72, which are widely used around the world. The company focuses on sustainability and cost-effectiveness, making their aircraft suitable for various routes with lower passenger volumes. ATR planes are recognized for their fuel efficiency and ability to operate in diverse environments, contributing to regional connectivity in the aviation industry.