On August 15, 2018, at 1700 eastern daylight time, an experimental Lazair II airplane, unregistered (previously C-IFRY), impacted terrain during an unknown phase of flight near Racine, Ohio. The airplane was destroyed by impact forces. The uncertificated pilot and a passenger were seriously injured. The airplane was owned and operated by the pilot under 14 Code of Federal Regulations Part 91. Day visual meteorological conditions prevailed for the flight that was not operating on a flight plan. The flight originated form an unknown location at an unknown time. Federal Aviation Administration (FAA) inspectors from the Cincinnati Flight Standards District Office went to the scene and photo documented the accident site. An examination of the airplane was not performed. Photos showed that the left and right master switches were in the ON position and the fuel pump switch was in the OFF position. The wreckage and wreckage distribution were consistent with a steep nose-down impact attitude with no ground scarring preceding the wreckage. The pilot did not respond to correspondence from FAA inspectors and did not provide a National Transportation Safety Board (NTSB) Pilot/Operator Aircraft Incident/Accident Report, form 6120.1, which had been sent to the pilot by the NTSB Investigator-in-Charge.