While these incidents were required to be reported to regulatory authorities due to where they occurred, they usually fall into one of the following categories: From 2004 to September 2007, the Occupational Safety and Health Administration (OSHA) inspected Six Flags parks five different times and found a total of four violations.
On September 10, 2007, OSHA cited Great America with 38 safety violations, alleging "multiple serious and repeat violations at the amusement park, ranging from defective emergency brakes on an industrial truck to a lack of labeling procedures for preventing inadvertent machine start-ups."
During the 2012 season, all WindSeeker installations, with the exception of the Kings Island's location, experienced issues with its safety mechanism that would engage and strand riders in the air.
[477] The California Occupational Safety and Health Administration ordered the closure of the ride on September 19 pending an investigation into the cause.
[476] An evacuation system designed by the ride's manufacturer, Mondial, was installed at all Windseeker locations, beginning with Knott's Berry Farm.