Primary finding
Probable cause
The pilot-in-command exceeded the airplane's design stress limits.
Investigator assessment
Analysis narrative
The pilot-in-command obtained a weather brief which included icing precautions. The airplane took off in night, imc, which included freezing rain, sleet and snow falling around the airport. Ten minutes after takeoff, the airplane reported 'carb ice' and disappeared from radar. The airplane broke apart in flight. There were indications of engine power at impact and witness accounts of loud, even engine noise. No mechanical discrepancy was found.
Source record
Factual narrative
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