NTSB Identification: CHI92FA218.
The docket is stored on NTSB microfiche number 47542.
Accident occurred Sunday, August 02, 1992 in OSHKOSH, WI
Probable Cause Approval Date: 10/15/1993
Aircraft: BULL KR-2, registration: N86QT
Injuries: 1 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE PILOT WAS PARTICIPATING IN A FLY-BY DEMONSTRATION AT THE EAA CONVENTION. DURING INITIAL CLIMB, THE AIRPLANE WAS OBSERVED TO ENTER A STEEP BANK TO THE LEFT FOLLOWED BY A STEEP DESCENT INTO THE TERRAIN. NO MECHANICAL ANOMALIES WITH THE AIRPLANE WERE FOUND. POST-MORTEM EXAMINATION OF THE PILOT REVEALED ATHEROSCLEROTIC CHANGES IN THE HEART. THE LOCAL CORONER RULED THAT DEATH WAS DUE TO 'CARDIAC EVENT FOLLOWED BY CRASH.'

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

A LOSS OF CONTROL IN FLIGHT DUE TO PILOT INCAPACITATION AS A RESULT OF A HEART ATTACK.

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