PHOENIX, AZ, USA
N5163B
BELL 47G2
THE HELICOPTER HAD JUST HAD MAJOR MAINTENANCE AND THE MECHANIC WAS CONDUCTING ENGINE RUN-UPS. THE HELICOPTER INADVERTENTLY BECAME AIRBORNE AND ASCENDED TO 100 FT. THE HELICOPTER MADE TWO TURNS IN A SIDEWARD SKID AND DESCENDED TO TERRAIN IMPACT. THE HELICOPTER COLLIDED WITH ELECTRICAL CABLES DURING THE DESCENT. THERE WAS NO EVIDENCE OF A MECHANICAL FAILURE FOUND DURING THE INVESTIGATION.
LOSS OF AIRCRAFT CONTROL BY A UNQUALIFIED PERSON.
Source: NTSB Aviation Accident Database
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