NTSB Identification: SEA86LA062.
The docket is stored on NTSB microfiche number 29985.
Accident occurred Friday, February 21, 1986 in ODESSA, WA
Aircraft: HILLER UH-12E, registration: N8542F
Injuries: 1 Uninjured.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
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.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:ACFT/EQUIP INADEQUATE,EQUIPMENT INTERFERENCE..OTHER PERSON
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