Kenosha police say the crash was reported around 4:30 p.m. Sunday at the Kenosha Regional Airport, about 30 miles south of Milwaukee. Police say there was just one man on board.
Flight For Life public affairs officer Tammy Chatman says the man was airlifted to Froedtert Hospital in Milwaukee. His identity and condition were not immediately known.
Police say the Federal Aviation Administration is investigating. The National Transportation Safety Board also plans to open an investigation.