The L-410 plane was flying from Irkutsk to the village of Kazachinskoye on Sunday when it made a hard landing in the taiga forest. There were a total of 16 people on board: two crew members and 14 passengers.
According to the Russian Emergencies Ministry, four people died, while 12 others were injured.
"There are 11 people at the hospital: three in severe condition, in intensive care, three have mild injuries and the rest are moderate. One went home," the government source told Sputnik.
More than 70 people and 20 units of equipment were involved in the rescue efforts, according to the Russian emergencies ministry. The rescue work has been completed and all the people who were trapped inside the plane have been taken out.
Earlier, local transport authorities told Sputnik that there were four dead (two crew members and two passengers) and several injured following the accident. There were no minors on board the plane.
The Russian Investigative Committee has launched a criminal investigation into the incident.