A plane crash at Parafield Airport in South Australia, resulting in the deaths of a flight instructor and a student, is under investigation. Preliminary findings suggest a serious mechanical fault may have been the cause of the incident. Authorities are currently examining the wreckage to determine the precise nature of the failure. The crash occurred at the airport, a major flight training facility in the state. Investigations are ongoing, with aviation experts analyzing data and components from the aircraft. No further details regarding the specific mechanical issue have been released at this time, as the investigation is still in its early stages. The incident has prompted a review of safety protocols at the airport.