A small plane crashed on Saturday at an air show in Dunakeszi, 15 kilometers north of Budapest, killing a man on the ground, Xinhua reported.
The local wire service MTI reported that the Zlin aircraft was performing a stunt when a gust of wind overturned it and caused the crash.
The pilot was seriously injured. A 60-year-old staff member of the security firm serving at the local airport was killed in the accident.
The air show, titled Hunt for Balloons, was organized by Lufthansa and Hungarocontroll, Hungary's air navigation service.