NTSB Identification: ATL83LA348.
The docket is stored on NTSB microfiche number 22116.
Accident occurred Wednesday, August 31, 1983 in CLINTON, KY
Aircraft: GRUMMAN G-164A, registration: N5256
Injuries: 1 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.

THE PLT REPORTED THAT HE WAS SPRAYING A FIELD THAT WAS BORDERED BY OBSTACLES. WHEN HE WAS ABOUT HALF WAY THRU A PROCEDURE TURN, THE ENG BEGAN 'BACKFIRING & LOSING POWER.' THE PLT MOVED THE THROTTLE TO ABOUT THE 1/2 POWER SETTING, HOPING THE CONDITION WOULD BE CORRECTED, BUT TO NO AVAIL. THERE WAS A HIGH POWER LINE ON ONE SIDE OF THE FIELD & A 300 FT TRANSMITTING TOWER ON THE OTHER. ALSO, THERE WAS A WOODED AREA AT THE END OF THE FIELD. THEREFORE, THE PLT ELECTED TO MAKE AN EMERGENCY LANDING IN A SMALL, ROLLING FIELD. DURING THE LANDING, THE GEAR COLLAPSED & THE WINGS WERE DAMAGED. AN EXAM OF THE ENG REVEALED THAT THE FRONT SPARK PLUGS WERE SOOTY; THE REAR SPARK PLUGS WERE RUSTED & COULD NOT BE REMOVED; THE #2, #4 & #8 CYLINDERS HAD BLOWN EXHAUST GASKETS; THE LEFT MAGNETO TIMING BUSHING WAS WORN EXCESSIVELY & THE MAGNETO WAS FOUND TO BE LOOSE.

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

MAINTENANCE..INADEQUATE..OTHER MAINTENANCE PERSONNEL

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

IGNITION SYSTEM,MAGNETO..WORN

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

IGNITION SYSTEM,MAGNETO..LOOSE


Contributing Factors

TERRAIN CONDITION..HIGH OBSTRUCTION(S)


Contributing Factors

TERRAIN CONDITION..ROUGH/UNEVEN

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