The Sukhoi Su-31M is a single engined aerobatic aircraft that is very popular in airshows. It is a lighter and more powerful version of the Sukhoi Su-26.
Only cinema4d R10 has materials and textures. The plane has side and ventral glass windows to have more visibility during aerobatic manouvres
Other formats zip files have textures enclosed. But it could need some texture reassigning.
canopy can not be opened.