PARADISE, LA, USA
N115SD
BELL TH13T
DURING A CROSS COUNTRY FLIGHT THE AIRCRAFT EXPERIENCED LOSS OF ENGINE POWER. THE LANDING RESULTED IN THE CATASTROPHIC COLLAPSE OF THE LANDING GEAR. THE HELICOPTER WAS NOT OF A STANDARD CONFIGURATION, IT WAS RIGGED WITH EARLY TECHNOLOGY RIDIG FLOATS. THESE FLOATS DRASTICALLY CHANGE THE FLIGHT ENVELOPE OF THE HELICOPTER ESPECIALLY DURING EMERGENCY PROCEDURES SUCH AS AUTOROTATIONS.
THE FAILURE OF THE PILOT TO PROPERLY EXECUTE THE AUTOROTATION LANDING.
Source: NTSB Aviation Accident Database
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