Technical malfunctions and a human error were among likely causes of the crash of an Airbus 310 airliner at a Siberian airport early Sunday, the Prosecutor General's Office said.

"But it would be premature to prioritize any of the theories viewed. A more definite answer could be given after the flight recorders have been read," spokesperson for the Prosecutor General's Office Marina Gridneva was quoted by the Interfax news agency as saying.

The flight data recorders were not damaged and had been taken to the Regional Emergency Situations Commission for analysis. The recordings would be read soon, Gridneva added.