NTSB Identification: CHI91LA093.
The docket is stored on NTSB microfiche number 43025.
Accident occurred Wednesday, February 06, 1991 in MARSHFIELD, WI
Probable Cause Approval Date: 01/15/1993
Aircraft: PIPER PA-28-181, registration: N6205J
Injuries: 4 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 PILOT MISSED HIS FIRST (SDF) APPROACH & DIVERTED TO ANOTHER AIRPORT, WHERE HE MISSED AN ILS APPROACH. EN ROUTE TO A 3RD AIRPORT, HE PASSED OVER HIS ORIGINAL DESTINATION & OBTAINED VISUAL CONTACT WITH THE AIRPORT. HE STATED HE FLEW THE LENGTH OF THE RUNWAY TO CHECK VISIBILITY & NOTICED A CLOUD NEAR THE APPROACH END. HE ENTERED A DOWN WIND LEG FOR RUNWAY 34 & TURNED BASE APPROXIMATELY HALF WAY DOWN THE RUNWAY LENGTH. DURING A TIGHT TURN FROM BASE TO FINAL APPROACH, THE AIRPLANE STALLED/SETTLED TO THE GROUND. IT SUBSEQUENTLY TOUCHED DOWN ON SNOW COVERED TERRAIN OFF THE LEFT SIDE OF THE RUNWAY, DAMAGING THE LANDING GEAR, BELLY & PROP.

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

IMPROPER IN-FLIGHT PLANNING/DECISION BY THE PILOT AND HIS FAILURE TO MAINTAIN AIRSPEED, WHICH RESULTED IN AN INADVERTENT STALL/MUSH ONTO SNOW COVERED TERRAIN BESIDE THE RUNWAY. THE ADVERSE WEATHER CONDITIONS AND SNOW COVERED TERRAIN WERE RELATED FACTORS.

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