Sukhoi Su-31



The Sukhoi Su-31 is a Russian single-engined aerobatic aircraft designed by Sukhoi as a lighter and more powerful version of the Sukhoi Su-29.

Design and development
The design of the aircraft started in 1991 as a single-seat development of the earlier Sukhoi Su-29 with a more powerful Vedeneyev M14PF engine and new landing gear. The low-wing cantilever monoplane first flew in June 1992 as the Su-29T and the first production aircraft flying in 1994.

Variants

 * Su-29T
 * Prototype single-seat aerobatic monoplane


 * Su-31
 * Production variant with fixed landing gear, sometimes known as the Su-31T.


 * Su-31M
 * Improved variant with a pilot extraction system.


 * Su-31M2
 * Further improved variant of the Su-31M with weight reduction, single piece canopy/windscreen and larger wing introduced in 1999.


 * Su-31U
 * Proposed retractable landing gear variant of the Su-31T.


 * Su-31X
 * Export variant of the Su-31T