Because of the powerful eruption of the volcano closed Kliuchevskoi flights in 50 km zone.
Currently, the airline, its paved routes in the immediate vicinity of the volcano, to change them, however, as reported Avia.pro site, route deviation are not significant and will not lead to delays in the execution of flights. According to available information, the normal air traffic on routes previously held, in the case of the decay of activity Klyuchevskoy will be restored by the end of this week.
The main danger for the flight of aircraft is volcanic ash, and given that its emission occurred at an altitude of 7.5 kilometers, it was decided to ban flights in this zone.