NTSB Identification: DEN87LA235.
The docket is stored on NTSB microfiche number 34571.
Accident occurred Thursday, September 10, 1987 in OAKLEY, UT
Probable Cause Approval Date: 10/06/1988
Aircraft: BELL 47-G3B2, registration: N1038X
Injuries: 2 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 PLT HAD JUST TAKEN OFF FROM A CONFINED AREA SURROUNDED ON TWO SIDES WITH ELECTRICAL POWER LINES. AS HE ATTEMPTED TO CLIMB, HE SAID HIS RPM BEGAN TO BLEED OFF. HE STATED THAT HE MADE A RIGHT PEDAL TURN TO AVOID THE WIRES BUT WAS UNABLE TO PREVENT A HARD LANDING WHICH RESULTED IN SUBSTANTIAL DAMAGE TO THE HELICOPTER. THE DENSITY ALT WAS 11,677 FT.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:ROTOR RPM..NOT MAINTAINED..PILOT IN COMMAND
WEATHER CONDITION..HIGH DENSITY ALTITUDE
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