A Czech military helicopter crash occurs at an air force base, according to reports from multiple outlets. The Czech military says an army helicopter of type “Venom” is involved. The aircraft has five soldiers on board at the time of the incident. One soldier dies in the crash, while three others are injured. The reports do not indicate details about the cause of the crash or the extent of the injuries. They also do not specify the base location in the provided summaries. Emergency response is implied by the injury report, and the Czech military is presented as the primary source for the casualty information. Overall, the accounts agree on the aircraft type, the number of people on board, and the resulting fatalities and injuries, while offering no further confirmed information about what led to the accident.