Sukhoi-31 MKI is considered a 4.5 generation fighter aircraft. India had bought a total of 2120 aircraft, out of which many have also crashed. This aircraft is equipped with Lyulka L-30 FP afterburning turbofan engine which gives it kilonewton power. The maximum speed of this aircraft is 2120 kilometer per hour. Whereas, the range at higher altitudes is kilometer. On the other hand, Sukhoi-31 MKI can go up to a range of 8000 kilometers if fuel is filled in the middle of the way.