Emergency service workers investigate the wreckage of the UTair airlines ATR 72 passenger plane that crashed near the Siberian city of Tyumen April 2, 2012. A Russian passenger plane crashed and burst into flames after takeoff in an oil-producing region of Siberia on Monday, killing at least 31 of the 43 people on board, emergency officials said.

Emergency service workers investigate the wreckage of the UTair airlines ATR 72 passenger plane that crashed near the Siberian city of Tyumen April 2, 2012.

Emergency service workers stand near the tail section of the UTair airlines ATR 72 passenger plane that crashed near the Siberian city of Tyumen April 2, 2012.