Investigators from the Interstate Aviation Committee stated that the Utair ATR-72/200 turboprop aircraft reached an altitude of 210m (690ft) before banking sharply to the right, about 35°. The aircraft tried to recover stability rolling to the other side but it reached a left bank of more than 50°. At that point it was impossible to avoid the crash. Both of the Pratt & Whitney PW124 engines were s...