NTSB Identification: LAX84FUG02.
The docket is stored on NTSB microfiche number 27315.
Accident occurred Saturday, September 01, 1984 in MURRIETA, CA
Aircraft: PHANEUF B8 MOD GYRO, registration: N8474
Injuries: 1 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

A WITNESS OBSERVED THE GYROCOPTER CIRCLE THE APRT. ON THE SECOND TIME AROUND, IT DROPPED DOWN LOW ON THE DOWNWIND LEG AND DISAPPEARED BEHIND A SMALL HILL. HE ALSO STATED THE ENG WAS RUNNING AT FULL POWER AND THAT HE COULD HEAR THE ROTOR BLADES STRIKE THE GROUND WHEN THE GYROCOTER CRASHED. NO PREIMPACT MECHANICAL FAILURE OR MALFUNCTION WAS FOUND DURING THE INVESTIGATION. TOXICOLOGICAL TESTS SHOWED THAT THE PLT'S BLOOD/ALCOHOL LEVEL WAS 0.110%.

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

JUDGMENT..POOR..PILOT IN COMMAND

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

IMPAIRMENT(ALCOHOL)..PILOT IN COMMAND

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

IN-FLIGHT PLANNING/DECISION..IMPROPER..PILOT IN COMMAND

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

ROTOR RPM..NOT MAINTAINED..PILOT IN COMMAND

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