The AS-350 helicopter crashed 65 kilometers from Khanty-Mansiysk.

According to news agency Avia.pro, the helicopter belonged to the Russian airline "Skol", while all were on board 4 people were killed.

At the scene, experts are already working who are trying to establish the causes of the crash, and, as it became known from direct witnesses of the plane crash, when it hit the ground, the helicopter literally flew to pieces, which most likely indicates an uncontrolled fall, and, according to preliminary information, this is connected can be both with a human factor and with a technical failure of the aircraft control system.

In fact the tragedy Investigative Committee of Russia checks.