NTSB Identification: LAX86FUM02.
The docket is stored on NTSB microfiche number 33450.
Accident occurred Saturday, August 23, 1986 in RAMONA, CA
Aircraft: STAR-LITE UNK, registration: N42TJ
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.
DURING A LOCAL TEST FLIGHT OF AN EXPERIMENTAL HOMEBUILT ACFT, THE PLT WAS CIRCLING APRX 700 FT AGL WHEN THE RIGHT WING SEPARATED FROM THE FUSELAGE. THE ACFT ENTERED AN UNCONTROLLABLE STEEP ANGLE DIVE AND COLLIDED WITH THE TERRAIN. INSPECTION AS TO THE CONSTRUCTION OF THE ACFT REVEALED THAT THE PLT HAD ALTERED THE DESIGN OF THE ACFT FROM THE PUBLISHED CONSTRUCTION MANUAL INSTRUCTIONS.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:WING..SEPARATION
STALL/SPIN..UNCONTROLLED..PILOT IN COMMAND
TERRAIN CONDITION..HIGH VEGETATION
REMEDIAL ACTION..NOT POSSIBLE..PILOT IN COMMAND
DESIGN STRESS LIMITS OF AIRCRAFT..EXCEEDED..PILOT IN COMMAND
LACK OF TOTAL EXPERIENCE IN KIND OF AIRCRAFT..PILOT IN COMMAND
MAINTENANCE,DESIGN CHANGE..IMPROPER..PILOT IN COMMAND
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