NTSB Identification: ATL92LA011.
The docket is stored on NTSB microfiche number 45094.
Accident occurred Saturday, October 19, 1991 in WALTERBORO, SC
Probable Cause Approval Date: 12/14/1992
Aircraft: WINCHESTER THORP T-18, registration: N27DW
Injuries: 2 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 STUDENT PILOT WAS IN THE LEFT SEAT; HIS FATHER, A COMMERCIAL PILOT (NOT AN INSTRUCTOR), WAS IN THE RIGHT SEAT. WHEEL BRAKE PEDALS WERE INSTALLED ON THE LEFT SIDE ONLY. THE STUDENT WAS LANDING THE AIRPLANE. UPON TOUCHDOWN, THE TAIL WHEEL BEGAN TO SHIMMY, AND THE AIRPLANE DRIFTED TO THE SIDE OF THE RUNWAY. THE STUDENT APPLIED WHEEL BRAKES, HOWEVER, HE REPORTED THAT HIS RIGHT FOOT INADVERTENTLY PUSHED A FUEL TANK BRACE INSTEAD OF THE RIGHT BRAKE PEDAL. THE AIRPLANE DEPARTED THE RUNWAY TO THE LEFT SIDE, AND GROUND LOOPED. THERE WERE NO REPORTED MECHANICAL PROBLEMS WITH THE AIRPLANE PRIOR TO THE ACCIDENT

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

THE STUDENT PILOT'S IMPROPER USE OF THE WHEEL BRAKES, AND THE SUBSEQUENT LOSS OF DIRECTIONAL CONTROL. FACTORS IN THIS ACCIDENT WERE THE STUDENT PILOT'S LACK OF TOTAL FLYING EXPERIENCE AND THE PILOT-IN-COMMAND'S INADEQUATE SUPERVISION OF THE FLIGHT.

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