Russian defense ministry
All four crew members died in hard landing amid what was reported as a training flight following scheduled maintenance.
A Russian air force Mi-8 helicopter crash-landed and caught fire in Anadyr Airport in Russia's Chukotka region.
All four crew members on board died in the accident, according to Interfax.
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Preliminary reports say technical malfunction that occurred as the helicopter was hovering at a 30-m altitude could be the cause behind the accident.
Both flight recorders, almost undamaged, have been retrieved from the scene, Russian media report.
This is the second deadly crash involving a Mi-8 within a week.
On May 19, a similar accident took place outside Moscow, killing four crew members on board.