LOSS OF ENGINE POWER FOR UNDETERMINED REASONS, AND THE FLIGHT INSTRUCTOR'S IMPROPER FLARE DURING THE AUTOROTATION WHICH RESULTED IN A TAIL BOOM STRIKE.
— NTSB Determination
ACCORDING TO THE FLIGHT INSTRUCTOR, THE STUDENT WAS PRACTICING AUTO ROTATIONS TO A POWER RECOVERY. ON THE LAST PRACTICE AUTO ROTATION, THE ENGINE QUIT WHEN THE STUDENT ROLLED THE THROTTLE TO IDLE. THE INSTRUCTOR TOOK OVER CONTROL OF THE HELICOPTER AND EXECUTED A COMPLETE AUTO ROTATION TO TOUCH DOWN. DURING THE LANDING FLARE THE TAIL BOOM CONTACTED THE GROUND AND THE HELICOPTER LANDED HARD. THE HELICOPTER WAS EXAMINED AND NO DISCREPANCIES WERE FOUND.
ACCORDING TO THE FLIGHT INSTRUCTOR, THE STUDENT WAS PRACTICING AUTO ROTATIONS TO A POWER RECOVERY. ON THE LAST PRACTICE AUTO ROTATION, THE ENGINE QUIT WHEN THE STUDENT ROLLED THE THROTTLE TO IDLE. THE INSTRUCTOR TOOK OVER CONTROL OF THE HELICOPTER AND EXECUTED A COMPLETE AUTO ROTATION TO TOUCH DOWN. DURING THE…
The accident on 1993-07-08 involved a Schweizer 269C, registration N9588F, operated by Cari Aviation, Inc., at Rialto, CA.
LOSS OF ENGINE POWER FOR UNDETERMINED REASONS, AND THE FLIGHT INSTRUCTOR'S IMPROPER FLARE DURING THE AUTOROTATION WHICH RESULTED IN A TAIL BOOM STRIKE.
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