PALM BEACH, FL, USA
N94720
BELL 47-G3-B1
THE AGRICULTURAL PILOT STATED THAT HE HAD COMPLETED HIS SPRAYING AND HAD LANDED, WHEN A GROVE WORKER REQUESTED A RIDE OVER THE GROVE. WHILE MANEUVERING AT 150 FEET, THE ENGINE LOST POWER. DURING THE AUTOROTATION, THE ROTOR RPM DECAYED AND THE HELICOPTER LANDED HARD.
THE PILOT'S INADEQUATE PREFLIGHT PLANNING. A FACTOR WAS THE PILOT'S FAILURE TO MAINTAIN ROTOR RPM DURING THE AUTOROTATION.
Source: NTSB Aviation Accident Database
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