NTSB Identification: CHI92DEM02.
The docket is stored on NTSB microfiche number 47074.
Accident occurred Wednesday, May 06, 1992 in FREELAND, MI
Probable Cause Approval Date: 07/26/1993
Aircraft: GILLESPIE/PITTS S1C, registration: N71309
Injuries: 1 Uninjured.

THE PILOT OF A TAIL WHEEL CONFIGURED AEROBATIC AIRPLANE HAD TOUCHED DOWN ON LANDING AND DISCOVERED THE AIRPLANE DID NOT HAVE RIGHT RUDDER PEDAL CONTROL. THE PILOT STATED HE TOOK OFF TO TROUBLE SHOOT THE PROBLEM. DURING THE INFLIGHT INVESTIGATION HE DISCOVERED THE RIGHT RUDDER CABLE HAD SEPARATED WHERE THE CABLE RUNS THROUGH THE COCKPIT NEAR THE RIGHT SIDEWALL. THE PILOT MADE A CABLE REPAIR SO IT WOULD ALLOW BRAKE SYSTEM OPERATION. DURING THE SUBSEQUENT LANDING THE AIRPLANE WAS NOT AS DIRECTIONALLY CONTROLLABLE AS IT SHOULD HAVE BEEN. AS THE AIRPLANE BEGAN TO DECELERATE IT BEGAN AN UNCONTROLLABLE SWERVE WHICH RESULTED IN A LANDING GEAR COLLAPSE.

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

A TOTAL FAILURE OF THE RUDDER CONTROL CABLE AND UNAVAILABILITY OF RUDDER TO CONTROL THE AIRPLANE DURING ITS LANDING PROCESS. FACTORS WHICH CONTRIBUTED TO THE ACCIDENT WERE DIRECTIONAL CONTROL AND REMEDIAL ACTION NOT BEING POSSIBLE ON BEHALF OF THE PILOT.

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