NTSB Identification: SEA95LA113.
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Accident occurred Sunday, May 28, 1995 in PHILLIPSBURG, MT
Probable Cause Approval Date: 01/29/1996
Aircraft: CESSNA 180, registration: N9115C
Injuries: 3 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.

DURING LANDING, WITH THE STUDENT PILOT AT THE CONTROLS, THE AIRCRAFT BOUNCED TWICE AND BEGAN TO VEER LEFT. THE CFI ATTEMPTED TO REGAIN DIRECTIONAL CONTROL, BUT WAS NOT SUCCESSFUL. THE AIRPLANE'S RIGHT MAIN LANDING GEAR SEPARATED AS THE AIRPLANE SKIDDED OFF THE LEFT SIDE OF THE RUNWAY. EXAMINATION OF THE FRACTURED AREA OF THE MAIN LANDING GEAR REVEALED THAT IT FAILED DUE TO OVERSTRESS. EXAMINATION OF THE WHEELS REVEALED THAT THEY WERE TOED IN EXCESSIVELY, AND THE TIRE TREADS WERE SEVERELY WORN.

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

THE FAILURE OF THE DUAL STUDENT TO MAINTAIN DIRECTIONAL CONTROL DURING THE BOUNCED LANDING, AND THE FAILURE OF THE CERTIFIED FLIGHT INSTRUCTOR TO TAKE ADEQUATE REMEDIAL ACTION AND RECOVER FROM THE LOSS OF DIRECTIONAL CONTROL. A FACTOR CONTRIBUTING TO THE ACCIDENT WAS THE FAILURE OF MAINTENANCE PERSONNEL TO ADEQUATELY ALIGN THE LANDING GEAR.

Full narrative available

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