NTSB Identification: CHI89LA008.
The docket is stored on NTSB microfiche number 37892.
Accident occurred Wednesday, October 12, 1988 in ST PETER, MN
Probable Cause Approval Date: 11/28/1989
Aircraft: CESSNA 120, registration: N2081V
Injuries: 1 Minor.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
THE PLT HAD INTENDED TO MAKE A TOUCH-&-GO LANDING ON A GRASS STRIP, BUT STATED THAT HE CAME IN 'SOMEWHAT HIGH.' HE RPRTD THE ACFT WAS STILL AIRBORNE ABOUT HALFWAY DOWN THE RWY WHEN HE ELECTED TO GO AROUND. HE ATTEMPTED TO ADD POWER, BUT THE ENG 'SPUTTERED & DIED.' THE PLT SAID HE FORCED THE MAIN GEAR ONTO THE RWY & APPLIED BRAKES, BUT WITHIN SECONDS, THE ACFT NOSED OVER. AFTER THE ACDNT, AN EXAM REVEALED THE LEFT MAIN WHEEL HAD BROKEN OFF AT THE AXLE, THEN THE LEFT STRUT DUG INTO THE GROUND & THE ACFT NOSED OVER. THE PLT RPRTD THAT WHEN THE ACFT WAS ON FINAL APCH, HE HAD MOVED THE CARBURETOR HEAT TO OFF. THE TEMP & DEW POINT WERE 43 & 26 DEG, RESPECTIVELY. ACCORDING TO ICING PROBABILITY CHARTS, CONDS WERE CONDUCIVE FOR CARB ICE. EXCEPT FOR SOOT IN THE EXHAUST STACKS & ON THE SPARK PLUGS, NO EVIDENCE OF A PRE-ACDNT MECHANICAL PROBLEM WAS FOUND.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:GO-AROUND..DELAYED..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:CARBURETOR HEAT..IMPROPER USE OF..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:FUEL SYSTEM,CARBURETOR..ICE
PLANNED APPROACH..IMPROPER..PILOT IN COMMAND
ALTITUDE..EXCESSIVE..PILOT IN COMMAND
WEATHER CONDITION..CARBURETOR ICING CONDITIONS
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