NTSB Identification: CHI85FA315.
The docket is stored on NTSB microfiche number 32095.
Accident occurred Friday, July 26, 1985 in OSHKOSH, WI
Aircraft: CHRISTOPHER D. BROWN GYROPLANE, registration: N46Z
Injuries: 1 Serious.
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.
THE PILOT WAS PRACTICING LOW ALTITUDE MANEUVERS, ADJACENT TO THE RUNWAY. WHEN HE TURNED TO MAKE A DOWNWIND, AT THE SOUTHEAST END OF THE RUNWAY, HE IMPACTED WITH THE TERRAIN. WITNESSES STATED THAT THEY OBSERVED THE GYROPLANE MAKING STEEP TURNS AT A LOW ALTITUDE AND IT HAD JUST ENTERED A STEEP LEFT TURN, DOWNWIND AT A 45 DEGREE NOSEDOWN ANGLE, WHEN THE GYROPLANE FLEW INTO THE GROUND.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:MANEUVER..EXCESSIVE..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:ALTITUDE..INADEQUATE..PILOT IN COMMAND
IN-FLIGHT PLANNING/DECISION..MISJUDGED..PILOT IN COMMAND
OVERCONFIDENCE IN PERSONAL ABILITY..PILOT IN COMMAND
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