SWEET SPRINGS, MO, USA
N5778X
AEROSPATIALE AS350D
THE HELICOPTER LANDED HARD DURING A FORCED LANDING AFTER A POWER LOSS DURING A FERRY FLT. THE PLT STATED THAT AT ABOUT 200 FT TURNING ON A BASE LEG FOR LANDING HE HEARD A LOUD BANG AND THE ENGINE FAILED. A WITNESS SAID HE HEARD THE ENGINE DIE AND SAW THE HELICOPTER DESCEND. THE PLT SAID HE PULLED OFF ROTOR RPM TO EXTEND HIS GLIDE AND IMPACTED THE GROUND ON A SIDEWALK WHILE IN A RIGHT TURN. THE 3 OCCUPANTS WERE SERIOUSLY INJURED. AN EXAMINATION OF THE ENGINE BY THE OPERATOR DISCLOSED AN INTERMITTENT ELECTRICAL OPEN OF THE T-4 WIRING HARNESS SPLICE; AEROSPATIALE P/N 320570 EXTENSION LEAD AND P/N 327637 REDUCTION. MOVEMENT OF THE WIRE RESULTED IN A REDUCED INDICATION OF THE T-4 TEMPERATURE GAUGE OF APPROXIMATELY 75 DEGREES AT GROUND OPERATING TEMPERATURES.
Source: NTSB Aviation Accident Database
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