NTSB Identification: LAX86LA135.
The docket is stored on NTSB microfiche number 30906.
Accident occurred Wednesday, March 05, 1986 in EL TORO, CA
Aircraft: ROBINSON R-22, registration: N9072Z
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.

A HELICOPTER CRASHED INTO A MOUNTAIN SLOPE EAST OF EL TORO, CA WHILE ON A BUSINESS FLT. WHILE THE ACFT APPROACHED THE MOUNTAIN PEAK THE PLT EXPERIENCED AN INCREASE IN THE RATE OF DESCENT AND ABORTED THE LANDING. DURING THE GO-AROUND, AT ADECREASED MAIN ROTOR RPM, THE ACFT CONTINUED TO SETTLE AND THE TAIL ROTOR STRUCK THE GROUND. THE PLT REPORTED NO MECHANICAL DIFFICULTIES OR FAILURES WITH THE ACFT PRIOR TO THE ACCIDENT.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

GO-AROUND..DELAYED..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

PLANNED APPROACH..INADEQUATE..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

ADEQUATE ROTOR RPM..NOT FOLLOWED..PILOT IN COMMAND



Contributing Factors

PERFORMANCE DATA..NOT FOLLOWED..PILOT IN COMMAND

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