NTSB Identification: ATL85LA024.
The docket is stored on NTSB microfiche number 26835.
Accident occurred Tuesday, October 30, 1984 in LINCOLN, TN
Aircraft: PIPER PA-25-235, registration: N9855P
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 ACFT WAS MAKING A SWATH RUN SPRAYING CROPS WHEN THE ENGINE SUDDENLY LOST POWER WITH 200 YARDS OF LEVEL FIELD REMAINING FOR AN EMERGENCY LANDING. AFTER TOUCHDOWN THE PLT TURNED THE ACFT TO AVOID A COLLISION WITH TREES. DURING THE TURN THE NOSE OF THE ACFT DUG INTO THE GROUND CAUSING THE ACFT TO NOSE OVER. INSPECTION OF THE ENGINE REVEALED THAT THE MAGNETO COUPLING WAS LOCKED AND WOULD NOT ROTATE. FURTHER INSPECTION DISCLOSED EXCESSIVE PLAY IN THE PAWLS AND WORN STRIKER PINS AND SHAFT SPLINES. ACCORDING TO THE ACFT LOGBOOKS, AD 78-09-07 & AD 82-20-01 HAD BEEN COMPLIED WITH, 19 FLT HOURS PRIOR TO THE ACIDENT. HOWEVER, THE MAKE, MODEL, & SERIAL NUMBER OF THE MAGNETOS WERE NOT ENTERD AS REQUIRED.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:MAINTENANCE..IMPROPER..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..JAMMED
TERRAIN CONDITION..HIGH OBSTRUCTION(S)
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