NTSB Identification: CHI91DEE03.
The docket is stored on NTSB microfiche number 44064.
Accident occurred Sunday, March 24, 1991 in LANSING, IL
Probable Cause Approval Date: 05/27/1993
Aircraft: AIR COMMAND GYROCOPTER, registration: N447MR
Injuries: 1 Minor.

THE GYROPLANE PILOT ENTERED A DESCENDING SPIRAL ABOUT 1000 FEET ABOVE GROUND AND LANDED HARD IN AN OPEN, MUDDY FIELD. THE PILOT STATED HE FAILED TO RECOVER AT A SAFE ALTITUDE. EXAMINATION OF THE WRECKAGE SHOWED CONTROL CONTINUITY EXISTED.

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

THE PILOT'S DELAYED PULLUP. A FACTOR IN THE ACCIDENT WAS THE PILOT'S EXESSIVE RATE OF DESCENT DURING THE SPIRAL MANEUVER.

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