NTSB Identification: MKC86FA166.
The docket is stored on NTSB microfiche number 33356.
Accident occurred Sunday, August 03, 1986 in OSAWATOMIE, KS
Aircraft: ATTEBERY-STAINBROOK VARIEZE, registration: N6BZ
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.

WITNESSES STATED THAT THE AIRCRAFT APPEARED TO BE OPERATING NORMALLY AND FLYING AT CRUISE ALTITUDE WHEN, SUDDENLY THE LEFT (PORT) WING SEPARATED FROM THE FUSELAGE. SOUNDS OF ENGINE POWER CEASED IMMEDIATELY FOLLOWING THE IN-FLIGHT BREAKUP AND THE AIRCRAFT PLUMMETED TO THE GROUND UNDER NO APPARENT CONTROL, THE WITNESSES FURTHER STATED. THE MAIN WRECKAGE WAS LOCATED ON A CORNFIELD RESTING IN AN INVERTED POSITION. THE LEFT MAIN WING WAS LOCATED ON AN OPEN FIELD ONE QUARTER MILE AWAY. ON-SCENE INSPECTION OF THE WRECKAGE REVEALED THAT NEITHER WING HAD BEEN SECURED TO THE MAIN FUSELAGE WITH ANY KIND OF FASTENING DEVICE. EPOXY AND PAINT ABOUT THE WING ROOT AREA WERE FOUND TO BE THE ONLY MEANS OF KEEPING THE WINGS AND THE FUSELAGE MATED. NO ENGINE MALFUNCTION WAS DISCOVERED. THIS AIRCRAFT HAD LOGGED JUST OVER 14 FLIGHT HOURS PRIOR TO THE ACCIDENT FLIGHT.

Contributing Factors

ACFT/EQUIP,INADEQUATE AIRCRAFT MANUALS..PRODUCTION/DESIGN PERSONNEL



Contributing Factors

REMEDIAL ACTION..NOT POSSIBLE..PILOT IN COMMAND



Contributing Factors

ACFT/EQUIP,INADEQUATE COMPLIANCE DETERMINATION..FAA INSPECTOR

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