NTSB Identification: FTW82FRJ09
14 CFR Part 91: General Aviation
Accident occurred Friday, March 05, 1982 in FARMERVILLE, LA
Probable Cause Approval Date: 03/05/1983
Aircraft: CESSNA 182L, registration: N70541
Injuries: 2 Serious.

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 PILOT REPORTED THAT HIS TAKEOFF AND CLIMB TO 2200 FT MSL WERE NORMAL. AFTER THE PLANE WAS IN CRUISE CONFIGURATION, HE HEARD AN ABNORMAL NOISE AND DECIDED TO RETURN TO THE AIRPORT. THE NOISE LEVEL INCREASED AND THE ENGINE BEGAN TO VIBRATE. THE PILOT OBSERVED A PIECE OF METAL PROTRUDING THROUGH THE COWLING. HE SHUT DOWN THE ENGINE, TURNED OFF THE MASTER SWITCH, AND SELECTED AN AREA FOR A FORCED LANDING. BEFORE LANDING, THE MASTER SWITCH WAS TURNED ON MOMENTARILY TO LOWER THE FLAPS. THE PLANE WAS SUBSTANTIALLY DAMAGED WHILE LANDING ON HILLY TERRAIN. AN INVESTIGATION REVEALED THAT THE NO. 2 CONNECTING ROD HAD BECOME DISCONNECTED FROM ITS CRANKPIN. THE BEARING HAD DISINTEGRATED, THE CRANKPIN HAD TURNED BLACK FROM THERMAL DAMAGE, AND THE ROD BOLTS HAD BROKEN. THE EXACT CAUSE OF THE FAILURE WAS NOT DETERMINED.

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

ENGINE ASSEMBLY,CONNECTING ROD..FAILURE,TOTAL


Contributing Factors

TERRAIN CONDITION..MOUNTAINOUS/HILLY

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