The Sukhoi Su-31 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 ( http://su-26.blogspot.com/ )
It's a atlethic beauty the SU-31
Overview of the SU-31
An SU-30 with special bombs...
SU-31 flying stationary
SU-31 creating lots of smoke!
