NEW SMYRNA BCH, FL, USA
N38767
HILLER UH-12C
THE COMMERCIAL PILOT/FLIGHT INSTRUCTOR (CFI) WAS DEMONSTRATING AN AUTOROTATIVE LANDING TO A COMMERCIAL PILOT WHO WAS RECEIVING FLIGHT INSTRUCTION. THE CFI INITIATED THE SIMULATED EMERGENCY WHILE ON BASE LEG. AT ABOUT 75 FEET AGL, THE CFI CONDUCTED A DECELERATION AND APPLIED COLLECTIVE PITCH AT ABOUT 10 FEET AGL, WITHOUT LEVELING THE HELICOPTER WITH THE CYCLIC CONTROL STICK. THE STINGER, AND TAILROTOR BLADES COLLIDED WITH THE GROUND AND SEPARATED FROM THE HELICOPTER ALONG WITH THE TAILROTOR GEAR BOX. THE HELICOPTER SLID TO THE RIGHT AND CAME TO A COMPLETE STOP ON THE SKIDS IN THE GRASS.
THE PILOT-IN-COMMAND'S IMPROPER APPLICATION OF CYCLIC AND COLLECTIVE PITCH CONTROL DURING AN AUTOROTATIVE LANDING.
Source: NTSB Aviation Accident Database
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