CUMMING, GA, USA
N231
Camair Aircraft Corp. 480
ACCORDING TO WITNESSES, THE ACFT CROSSED A HIGHWAY AFTER TAKING OFF, ENTERED A LEFT TURN, DESCENDED & PULLED BACK UP, THEN WENT OUT OF CONTROL & CRASHED. ONE WITNESS INDICATED THAT THE ACFT ENTERED A SPIN PRIOR TO CRASHING. AN EXAM OF THE WRECKAGE SHOWED EVIDENCE THAT THE RIGHT ENG WAS PROVIDING POWER. THE LEFT PROP WAS FOUND IN A FEATHERED POSITION, BUT THE COCKPIT CONTROLS WERE NOT POSITIONED TO FEATHER THE LEFT PROP. AN EXAM OF THE LEFT ENG REVEALED THAT THE #5 CONNECTING ROD HAD FAILED FROM FATIGUE. THE FATIGUE HAD ORIGINATED IN AN AREA WHERE THE ROD HAD BEEN BENT. THERE WAS EVIDENCE OF PREVIOUS COLUMN BENDING OF THE ROD (POSSIBLY FROM A HYDROSTATIC LOCK). THE LEFT PRIMER WAS FOUND BROKEN.
Source: NTSB Aviation Accident Database
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