Primary finding
Probable cause
The pilot's inadequate preflight planning to assure that the intended course and altitude provided adequate terrain clearance. Contributing factor(s) was: the dark night, snow and mountainous terrain.
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NTSB investigation record
NYC91FA067
CompletedMbb Bk117B-1· N891GM
- Date
- January 27, 1991
- Location
- Sonestown, PA
- Conditions
- IMC
- Record
- Completed
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