HATLEY, GA, USA
N7904
GRUMMAN G-164A
THE PILOT REPORTED THAT WHILE SPRAYING A COTTON FIELD AT APRX 60 FEET AGL WHEN THE ENGINE MADE A POPPING SOUND AND THEN LOST POWER. THE PILOT LANDED IN A COTTON FIELD WHERE THE AIRCRAFT ROLLED OVER ON ITS BACK AND WAS DESTROYED BY THE POST IMPACT FIRE. SUBSEQUENT EXAMINATION OF THE ENGINE REVEALED: SCORING OF THE 5# CYLINDER, NO OIL IN THE CASE OR EVIDENCE OF OIL RESIDUE; EXHAUST STACK WEAR THE #2 AND #3 CYLINDERS WAS DAMAGED BY EXCESSIVE HEAT. THE EXHAUST STACK APPEARS TO HAVE WORKED LOOSE IN FLIGHT CAUSING EXCESSIVE HEAT TO BE DIRECTED TOWARD THE #2, 3 AND 4 CYLINDER HEADS TO MELT OFF.
Source: NTSB Aviation Accident Database
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