NTSB Identification: LAX01LA298.
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Accident occurred Saturday, September 01, 2001 in Gerlach, NV
Probable Cause Approval Date: 05/01/2003
Aircraft: Sparke Air Command 582 Dual, registration: N301CS
Injuries: 1 Uninjured.

NTSB investigators may have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

After turning downwind following takeoff, the gyrocopter lost forward speed and began to descend. It touched down on the left tire, rolled over, and the main rotor blades contacted the ground. The pilot reported there was no mechanical malfunction. He stated the engine and propeller combination was not providing sufficient performance to operate the gyrocopter safely, and he had been modifying it since it was built 2 years previously. This was the second flight of the day after he had shifted the occupant seats to provide better airflow to the propeller.

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

The pilot's inability to maintain altitude because of the gyrocopter's inadequatly designed performance capability.

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