Preliminary data based on the notification from the Magyar authorities:
During climb following take-off, the diesel engine of the aircraft stopped at an altitude of 300 to 500 metres above ground. The pilot did not manage to restart the engine, so they turned back and landed on terrain in an agricultural land. The nose landing gear of the aircraft got stuck in the soft soil and broke, and then the aircraft turned upside down. In addition to the pilot, 4 parachutists were also on board.