NTSB Identification: CHI90DET02.
The docket is stored on NTSB microfiche number 43193.
Accident occurred Monday, January 22, 1990 in MUNSTER, IN
Probable Cause Approval Date: 11/23/1992
Aircraft: AIR COMMAND 532, registration: NONE
Injuries: 1 Fatal.

THE NON-RATED PILOT WAS OBSERVED MAKING SEVERAL LOW ALTITUDE, LOW SPEED PASSES. THE GYROPLANE WAS THEN OBSERVED MAKING HIGH BANK TURNS AND ACCELERATING TO SPEEDS FASTER THAN THE WITNESSES HAD SEEN A GYROPLANE FLY BEFORE. AFTER ROLLING OUT OF A TURN AND LEVELING OFF, THE AIRCRAFT WAS OBSERVED TO BEGIN A SERIES OF UP-AND-DOWN ROLLER COASTER-LIKE MANEUVERS FOLLOWED BY A DIVING ROLL TO IMPACT. THE PILOT HAD A STUDENT PILOT CERTIFICATE AND HAD RECEIVED GYROPLANE INSTRUCTION FROM TWO INSTRUCTORS. NEITHER INSTRUCTOR HAD CERTIFIED THE PILOT FOR SOLO FLIGHT IN A GYROPLANE.

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

THE PILOT'S EXCEEDING THE DESIGN STRESS LIMITS OF THE AIRCRAFT. FACTORS IN THE ACCIDENT WERE THE PILOT'S OSTENTATIOUS DISPLAY AND HIS LACK OF TOTAL EXPERIENCE IN TYPE AIRCRAFT.

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