NTSB Identification: CHI91LA072.
The docket is stored on NTSB microfiche number 43388.
Accident occurred Sunday, January 13, 1991 in SPRINGBROOK, WI
Probable Cause Approval Date: 03/31/1993
Aircraft: PIPER J3C-65, registration: N87867
Injuries: 1 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.

A COMMERCIAL PILOT IN A TAILWHEEL AIRPLANE WITH SKIS ATTEMPTED TAKEOFF FROM A 1200 FOOT LONG CORNFIELD COVERED WITH 8 INCHES OF LOOSE SNOW. THE GROUND RUN WAS PARALLEL TO THE FURROWS WITH WIND AT 14 KNOTS, GUSTING TO 21 KNOTS, DIRECTLY BEHIND THE AIRPLANE. THE PILOT'S STATEMENT INDICATES THE ENGINE LOST POWER 2/3 OF THE WAY DOWN THE FIELD, AND HE ATTEMPTED TO TURN ACROSS THE FURROWS BEFORE ENCOUNTERING A FENCE ON THE FIELD BOUNDARY. THE AIRPLANE ROLLED AND NOSED OVER TO THE OUTSIDE OF THE TURN. NO DISCREPANCY WAS FOUND ON THE AIRFRAME OR ENGINE ASIDE FROM ACCIDENT DAMAGE. THE OWNER, WHO SAW THE ACCIDENT, STATED THE TAILWHEEL DRAGGED THE LENGTH OF THE GROUND RUN AND HE HEARD FULL POWER FROM COMMENCEMENT OF THE TAKEOFF TO NOSE OVER.

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

THE PILOT'S ATTEMPT TO TAKEOFF WITH A STRONG GUSTY TAILWIND.

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