NTSB Identification: LAX95FA082.
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Accident occurred Friday, January 20, 1995 in JOSHUA TREE, CA
Probable Cause Approval Date: 05/18/1995
Aircraft: PIPER PA-38-112, registration: N4279E
Injuries: 1 Minor.
NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.
THE STUDENT PILOT WAS UNABLE TO RAISE THE ELEVATORS DURING THE TAKEOFF GROUND ROLL. THE PILOT ABORTED THE TAKEOFF, BUT THE REMAINING RUNWAY WAS INSUFFICIENT TO STOP THE AIRPLANE ON THE RUNWAY. THE AIRPLANE OVERRAN THE RUNWAY AND THE NOSE GEAR COLLAPSED WHEN IT ENTERED THE ROUGH/UNEVEN TERRAIN. THE POSTACCIDENT EXAMINATION REVEALED THAT THE HORIZONTAL 'T' BAR JAMMED AGAINST THE ATTITUDE INDICATOR HOSES. THIS JAMMING INHIBITED REARWARD MOVEMENT OF THE FLIGHT CONTROL WHEEL. THE VACUUM HOSES AND THE AVIONICS INSTALLATION BOX BRACKETS EXHIBITED NUMEROUS RUBBING AND CHAFING SIGNATURES. A 100-HOUR/ANNUAL INSPECTION WAS ACCOMPLISHED 2 MONTHS BEFORE THE ACCIDENT. THE AIRPLANE ACCRUED 99 HOURS SINCE THE INSPECTION.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: the operator's inadequate annual inspection by failing to find that the flight control's horizontal section of the 'T' bar was rubbing against the vacuum hoses behind the instrument panel. The jammed 'T' bar and the rough terrain were factors in this accident. Full narrative available
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