Primary finding
Probable cause
A leaking crankshaft oil seal, and snow on the landing area.
Investigator assessment
Analysis narrative
The pilot of the bellanca 7gcbc made a successful touchdown on a snow covered dirt road after losing a substantial amount of oil from a leaking crankshaft oil seal. During the landing roll, the aircraft nosed over when it encountered snow approximately one foot deep.
Source record
Factual narrative
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