NTSB Identification: CHI83FA351.
The docket is stored on NTSB microfiche number 26165.
Accident occurred Tuesday, August 02, 1983 in OSHKOSH, WI
Aircraft: SWAIN RUTAN LONGEZE, registration: N4ZZ
Injuries: 1 Uninjured.
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 ACFT NOSED OVER DURING A FORCED LANDING AFTER A POWER LOSS. THE ACFT COLLIDED WITH TALL CORN DURING THE LANDING ROLLAND SWERVED INTO THE CORN. EXAMINATION OF THE CARBURETOR REVEALED PIECES OF A SOFT BROWNISH-WHITE SOMEWHAT ELASTIC SUBSTANCE IN THE FLOAT CHAMBER. IT WAS VERY SIMILAR IN NATURE TO A TEFLON SEALING TAPE WHICH WAS USED ON THE THREADS OF THE FUEL INLET FITTING SCREWED INTO THE INLET PART OF THE FLOAT CHAMBER. A PIECE OF TAPE WAS LOOSE & FOLDED OVER THE BORE OF THE FITTING. THE BUILDER STATED THAT HE USED THE TAPE WHEN INSTALLING THE FUEL SUPPLY LINE TO ASSURE NO LEAKS AT THE CARBURETOR.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:FUEL SYSTEM,CARBURETOR..BLOCKED(TOTAL)
The National Transportation Safety Board determines the probable cause(s) of this accident to be:MAINTENANCE,INSTALLATION..IMPROPER..PILOT IN COMMAND
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