Two L-410 turbo-prop aircrafts collided mid-air near Cerveny Kamen village of western Slovakia, on August 20th.
The accident happened when the planes were carrying 34 parachutists who were rehearsing for an air show in Slavnica.
Seven people, including 3 parachutists and 4 pilots, were killed in the crash while 31 parachutists managed to survive by jumping off the planes.
The cause of collision is being investigated.