Incident Overview
An aircraft experienced an engine failure while operating in the traffic pattern, prompting the pilot to initiate an emergency landing. During the landing attempt, the aircraft undershot the runway and cartwheeled, resulting in substantial damage.
Engine Examination
The pilot reported that an initial examination of the engine revealed four cylinder heads had cracked and become separated from their respective barrels. No further information has been received regarding the underlying cause of the engine failure.
Status
No additional details about the incident, including the aircraft type, registration, operator, location, or occupants, have been provided.