NTSB Identification: CHI85FA251.
The docket is stored on NTSB microfiche number 31095.
Accident occurred Monday, June 24, 1985 in CAMBRIDGE, MN
Aircraft: NEUMANN-EVERETT N2, registration: N2287D
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.

THE NEWLY RATED PRT PLT WAS ON HIS 12TH FLT IN THE RECENTLY CERTIFICATED HOMEBUILT THAT HE HAD DESIGNED AND BUILT HIMSELF. WHILE PERFORMING AN UNKNOWN MANEUVER BOTH HORIZONTAL STABILIZERS AND BOTH WINGS SEPARATED FROM THE ACFT. THE ACFT WAS RESTRICTED FROM PERFORMING AEROBATICS HOWEVER, AN ACFT LOG THE PLT KEPT REFLECTED THAT HE HAD FLOWN THE ACFT IN A STEEP DIVE RECOVERING AT 140 MPH. THE ACFT WAS REDLINED AT 103 MOH. HE HAD ALSO LOGGED THAT HAMMER HEADS AND WING OVERS WERE PERFORMED BY HIMSELF IN THIS ACFT.

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:

DESIGN STRESS LIMITS OF AIRCRAFT..EXCEEDED..PILOT IN COMMAND


Contributing Factors

OVERCONFIDENCE IN PERSONAL ABILITY..PILOT IN COMMAND


Contributing Factors

OVERCONFIDENCE IN AIRCRAFT'S ABILITY..PILOT IN COMMAND


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