A dozen passengers had a miraculous escape when a M1-8 helicopter fell on its side while landing.
The helicopter carrying 17 people lurched on its side on takeoff, with 5 described as being in a 'grave' condition.
Mystery over circumstances of crash when chopper was on 'unsactioned' flight.
Three crashes in four days with total toll of 16.
Rescue teams rush to help survivors among 22 passengers in Arctic.
A criminal case into possible negligence was opened after the Mi-8 crashed in a mountainous area of Khabarovsk region.
A helicopter carrying ammonite - used to break ice - crashed in Irkutsk region after 'exploding in mid air'.
'Where is the help? Will there be any help?' begged injured Alexey Veremev, 42, as he used cell phone to report air tragedy.
The Mi-8 training flight ‘exploded’ after slamming into a field with communications antennae at Khabarovsk Disaster Medicine Centre.
Some 16 from the aircraft with military personnel on board are 'severely injured' and were flown by helicopter to hospitals in Tiksi.