NTSB Identification: BFO91LA009.
The docket is stored on NTSB microfiche number 42670.
Accident occurred Saturday, November 03, 1990 in ELKTON, VA
Probable Cause Approval Date: 11/09/1992
Aircraft: CESSNA 172N, registration: N902ZZ
Injuries: 2 Minor,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 PLT REPORTED THAT HE DESCENDED INTO A VALLEY AND THEN HE APPLIED FULL POWER TO CLIMB. ACCORDING TO THE PLT, SHORTLY AFTER HE APPLIED POWER, THE ENGINE PARTIALLY LOST POWER. DECREASING TO ABOUT 1650 RPM. THE PLT DECIDED THAT TOTAL POWER LOST WAS IMMINENT, SO HE LANDED STRAIGHT HEAD INTO TREES ON STEEP SLOPING TERRAIN. THE PLT REPORTED THAT HE DID NOT USE CARBURETOR HEAT. THE ENGINE OPERATED SATISFACTORILY DURING THE POST-ACCIDENT TEST. THE LOCAL TEMPERATURE/DEW POINT WAS 77/42 DEGS F. CONDITIONS WERE CONDUCIVE TO INDUCTION ICING, ACCORDING TO ICING PROBABILITY DATA.

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

THE PILOT'S FAILURE TO USE CARBURETOR HEAT WHICH RESULTED IN A REDUCTION IN ENGINE POWER. A FACTOR WAS THE ROUGH TERRAIN.

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