NTSB Identification: ATL89LA003.
The docket is stored on NTSB microfiche number 38792.
Accident occurred Sunday, October 02, 1988 in SILERTON, TN
Probable Cause Approval Date: 01/16/1990
Aircraft: CESSNA 150M, registration: N6176K
Injuries: 1 Uninjured.

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 STUDENT PLT WAS ON A VFR X-COUNTRY FLT. SHE RPRTD THAT AFTER LEVELING AT 2000', THE ENG BEGAN RUNNING ROUGH & THE RPM DROPPED FROM 2400 TO ABOUT 2000 RPM. THE ACFT WOULD NOT MAINT ALT. THE STUDENT SAID SHE APPLIED CARB HEAT WHEN THE ACFT WAS AT ABOUT 1300' & THE RPM WAS ABT 1700. SHE ELECTED TO LAND WHILE THE ENG STILL HAD PWR. HOWEVER, WHILE LANDING IN A PLOWED FIELD, THE ACFT NOSED OVER AS IT SLOWED DOWN. WHEN THE ACFT WAS EXAMINED AFTER THE ACDNT, NO PREIMPACT PART FAILURE OR MALFUNCTION WAS FOUND. THE TEMP & DEW POINT WERE 74 & 55 DEG, RESPECTIVELY. ACCORDING TO ICING PROBABILITY CHARTS, CONDS WERE CONDUCIVE TO CARB ICE.

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

CARBURETOR HEAT..DELAYED..PILOT IN COMMAND

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

FUEL SYSTEM,CARBURETOR..ICE


Contributing Factors

TERRAIN CONDITION..SOFT


Contributing Factors

WEATHER CONDITION..CARBURETOR ICING CONDITIONS

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