DAWSON, GA, USA
N6558K
GRUMMAN G-164B
A FAILED CYLINDER HEAD ASSEMBLY RESULTED IN A TOTAL POWER LOSS VERY SHORTLY AFTER TAKEOFF. WITNESSES OBSERVED THE AERIAL APPLICATION ACFT AT 30-50 FT AGL OVER THE RWY BEFORE IT PULLED UP STEEPLY, ROLLED AND ENTERED A NEAR VERTICAL UNCONTROLLED DESCENT TO IMPACT. A POST CRASH FIRE CONSUMED MOST OF THE WRECKAGE. DESPITE OPEN LEVEL TERRAIN OFF THE END OF THE RWY, THE PLT ATTEMPTED TO RETURN TO THE RWY FOR A FORCED LDG. A METALLURGICAL EXAMINATION OF THE FAILED CYLINDER HEAD REVEALED EXTENSIVE FATIGUE CRACKING INITIATED IN THE CYLINDER LINER THREAD ROOTS AND BETWEEN THE COOLING FINS AT THE TOP OF THE CYLINDER.
Source: NTSB Aviation Accident Database
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