NTSB Identification: FTW91LA054.
The docket is stored on NTSB microfiche number 44332.
Accident occurred Wednesday, March 20, 1991 in NEW ORLEANS, LA
Probable Cause Approval Date: 03/31/1993
Aircraft: CESSNA 210, registration: N219CG
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.
DURING A DAY TAKEOFF, THE AIRPLANE EXPERIENCED A COMPLETE LOSS OF ENGINE POWER DUE TO AN INTERNAL MECHANICAL FAILURE. THE ENGINE HAD BEEN RUNNING ROUGH AND HAD A HISTORY OF HIGH VIBRATIONS. FOLLOWING HIS EMERGENCY DECLARATION, THE PILOT LANDED ON AIRPORT PROPERTY ADJACENT TO THE RUNWAY OVER-RUN. DURING THE LANDING ROLL, THE NOSE GEAR SHEARED AND THE AIRPLANE NOSED OVER TO THE INVERTED POSITION. TECHNICAL ASSISTANCE FROM THE MANUFACTURER HAD IDENTIFIED AN INTERNAL PROBLEM THAT WAS DEVELOPING THE VIBRATORY LOADS. THE PILOT WAS FULLY AWARE OF THE MANUFACTURERS ANALYSIS, BUT CHOSE TO CONTINUE TO OPERATE THE AIRPLANE WITHOUT ENGINE MAINTENANCE BEING PERFORMED. ENGINE DISASSEMBLY REVEALED CRANKSHAFT FAILURE WITH MULTIPLE ZONES OF FATIGUE.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: THE POWER LOSS DUE TO FATIGUE INDUCED CRANKSHAFT FAILURE. FACTORS WERE THE PILOT'S CONTINUED OPERATION WITH KNOWN MECHANICAL MALFUNCTION AND THE LACK OF SUITABLE TERRAIN FOR THE FORCED LANDING.
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