The owner of the helicopters is INAER.
Sokol was flying around the forest to land and pick up the bombers. About 20 meters of height the helicopter had a problem and went donw in few seconds. It loses the tail rotor and other party when stroke over forest.
The Sokol pilots has more than 7500 hours and lot experience in firefighting missions.
The Bell 412 is better don't say anything...
DEP