NTSB Identification: LAX85LA200.
The docket is stored on NTSB microfiche number 28186.
Nonscheduled 14 CFR
Accident occurred Friday, April 12, 1985 in LAKE BERRYESSA, CA
Aircraft: BELL 206B, registration: N2925W
Injuries: 4 Minor,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.
THE ACFT WAS ON A LOW LEVEL, EAGLE SURVEY MISSION. WHILE CRUISING BETWEEN 20 & 30 MPH, THE PLT FLEW UP A CANYON & WAS CROSSING A RIDGE AT ABOUT 150 FT AGL WHEN HE SAW WIRES AHEAD. HE TOOK EVASIVE ACTION, BUT THE HELICOPTER STRUCK THE WIRES. THE TAIL ROTOR & GEAR BOX WERE TORN FROM THE HELICOPTER & IT BEGAN SPINNING. THE PLT TRIED TO LOWER THE COLLECTIVE & RETARD THE THROTTLE TO STOP THE SPIN, BUT HAD NO THROTTLE OR COLLECTIVE CONTROL. SUBSEQUENTLY, THE HELICOPTER CRASH LANDED.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:VISUAL LOOKOUT..INADEQUATE..PILOT IN COMMAND
VISUAL/AURAL PERCEPTION..PILOT IN COMMAND
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