NTSB Identification: CHI93LA326.
The docket is stored in the Docket Management System (DMS). Please contact Records Management Division
Accident occurred Tuesday, August 17, 1993 in MARSHALL, MN
Probable Cause Approval Date: 10/20/1994
Aircraft: PIPER PA-28-140, registration: N4477X
Injuries: 2 Serious.
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 NON-INSTRUMENT RATED PILOT WAS ADVISED OF IMC ALONG HIS PROPOSED ROUTE OF FLIGHT BY THE FAA WEATHER BRIEFER. HE ELECTED TO DEPART ANYWAY AND MET DETERIORATING WEATHER CONDITIONS EN ROUTE. HE WROTE IN HIS REPORT TO THE NTSB THAT HE WAS ATTEMPTING TO TURN AROUND AWAY FROM THE LOW CLOUDS, WHEN HE INADVERTENTLY ENTERED A CLOUD AND BECAME DISORIENTED. WHEN THE AIRPLANE CAME OUT OF THE CLOUD, IT WAS NOSE LOW AND DESCENDING. THE PILOT WAS UNABLE TO STOP THE DESCENT AND COLLIDED WITH THE GROUND.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: THE PILOT'S IMPROPER DECISION TO DEPART AFTER RECEIVING A WEATHER BRIEFING WHICH FORECASTED IMC EN ROUTE AND HIS LOSS OF AIRCRAFT CONTROL DUE TO SPATIAL DISORIENTATION. Full narrative available
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