DUMAS, TX, USA
N700TB
WOODSTOCK AIR COMMAND 532
A PRIVATE PILOT WAS FLYING HIS RECENTLY PURCHASED GYROCOPTER IN THE TRAFFIC PATTERN. A WITNESS REPORTED HEARING A POWER REDUCTION WHILE THE GYROCOPTER WAS ON A HIGH DOWNWIND. AIRSPEED WAS NOT MAINTAINED AND THE ROTOR RPM DECAYED TO THE POINT WHERE THE NOSE PITCHED DOWN AS THE GYROCOPTER ROLLED TO THE LEFT IN AN UNCONTROLLED DESCENT TO THE GROUND. DENSITY ALTITUDE WAS 6600 FEET.
THE PILOT'S FAILURE TO MAINTAIN AIRSPEED. A FACTOR WAS THE HIGH DENSITY ALTITUDE.
Source: NTSB Aviation Accident Database
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