ODESSA, WA, USA
N8542F
HILLER UH-12E
DURING AN EXTERNAL LOAD OPERATION TO REMOVE GROUNDWIRE OFF CROSSARMS, THE CABLE SPLICE JAMMED IN THE PULLEY FRAME. THE HELICOPTERS FORWARD MOTION STOPPED AND IT THEN STRUCK THE GROUND. THE PILOT SAID THE CARGO HOOK RELEASE DIDN'T WORK BUT NO FAILURES WERE FOUND IN POST ACCIDENT TESTING.
Source: NTSB Aviation Accident Database
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