MCCULLOUGH, AL, USA
N67699
HILLER UH-12B
THE ACFT CRASHED IN A COTTON FIELD AFTER MANEUVERING AT LOW ALT TO CHECK THE CROP. THE PILOT SAID HE WAS AT AN ALT OF 4 OR 5 FT AND FORWARD FLT WAS BELOW TRANSITIONAL LIFT SPEED. THE ROTOR RPM BEGAN TO REDUCE AND ALSO THERE WAS A DROP IN ENGINE RPM. THE PILOT INCREASED ROTOR PITCH AND ROTOR RPMS CONTINUED TO DECAY. THE ACFT STRUCK THE GROUND, ROCKED FORWARD AND BACKWARD AND THE ROTOR CUT OFF THE TAIL BOOM. THE PILOT SHUT DOWN THE ENGINE WITH THE MIXTURE LEVER.
Source: NTSB Aviation Accident Database
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