On 20 August 2015, two L-410 Turbolet aircraft on a skydiving formation flight collided mid-air and crashed near the village of Červený Kameň, Slovakia.

All four crew members and three skydivers were killed, but the other 31 parachutists managed to jump safely before the aircraft crashed to the ground.

On 20 August 2015 at 9:23 (local time), the two aircraft collided and crashed in a forest near Červený Kameň in the district of Ilava, north-western Slovakia.

[8] The wreckage of the two aircraft was difficult to access due to the forest terrain near the village where they were found.

[9] One of the crew members was a former Slovak ice hockey player Michal Česnek [sk].