z oficiální charakteristiky motorů AL-31F:
"The engine works reliably in conditions of deep surge of the air intake with M=2 as well as in flat, straight and inverted spins. The engine ensures unique aircraft maneuverability including super dynamic aerobatics in negative speeds up to 200 km/h. The AL-31F provides high gas dynamic stability and strength which maintain engine reliable performance in extreme condition of inlet distortion"