During the flight at flight level 10,100 m, the captain let his 14-year-old son, flying with him, sit in the pilot's seat. The child clung to the wheel, slightly shaking him from side to side - that could lead to disabling the autopilot "peresilivaniem. But in the end Eldar attached to the wheel force of 12-14 kg, which resulted in disabling the autopilot via the roll. The plane began to overwhelm the right, entering into a helix. Upon reaching roll angle ~ 45 deg., Started shaking the stall. KBC was out of his chair, co-pilot - in the rear of the cockpit, taking off his commander with his son on camera. Caused an overload does not allow the crew to quickly take their places and begin at the conclusion of the helix. When he finally managed to do, they almost brought the plane, but to complete the maneuver did not have just a few hundred meters altitude. The aircraft collided with a slope of a hill and completely destroyed. Killing all aboard.