NTSB Identification: DEN83LU001.
The docket is stored on NTSB microfiche number 22335.
Accident occurred Saturday, May 21, 1983 in ST. GEORGE, UT
Aircraft: INTL ULTRALIGHT BANSHEE, registration: NONE
Injuries: 1 Fatal.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

REPORTEDLY, THE ULTRALIGHT VEHICLE WAS ASSEMBLED AT AN ABANDONED ARPT, THEN WAS TEST FLOWN BY AN INTERNATIONAL ULTRALIGHT COMPANY SALESMAN. THE NON-RATED PLT, WHO WAS PLANNING TO BUY THE ULTRALIGHT, THEN FLEW THE VEHICLE TO FAMILIARIZE HIMSELF WITH ITS FLT CHARACTERISTICS. WITNESSES REPORTED THAT AFTER FLYING A SHORT TIME, THE PLT STARTED AN APCH TO LAND. WHEN THE ULTRALIGHT WAS ABOUT 50 TO 60 FT AGL, A WING FOLDED & THE VEHICLE CRASHED & BURNED. AN INVESTIGATION REVEALED THAT A STRUCTURAL CABLE HAD FAILED AT A SWEDGE FITTING. THERE WAS EVIDENCE OF NON-UNIFORM CRIMPING OF THE SWEDGE FITTING. TWO TYPES OF FRACTURES WERE FOUND WHERE THE CABLE FAILED (SHEAR & DUCTILE). THE SHEAR FAILURE WAS PREDOMINANTLY LOCATED AT THE SURFACE OF 1 BUNDLE OF WIRE STRANDS AT THE SWEDGE FITTING. THE DUCTILE FRACTURES WERE NOTED ON THE REMAINING INTERNAL STRANDS. THE PLASTIC FUEL TANK WAS INSTALLED ABOVE THE PLT. ON IMPACT, IT RUPTURED & SPILLED FUEL ON THE PLT & HOT ENG. THE PLT RECEIVED FATAL BURNS; ULTRALIGHT WAS CONSUMED BY FIRE.

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

WING,BRACING WIRE..FAILURE,TOTAL

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

MAINTENANCE..IMPROPER..MANUFACTURER

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

INADEQUATE QUALITY CONTROL..MANUFACTURER

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