NTSB Identification: ATL86FA235.
The docket is stored on NTSB microfiche number 31977.
Accident occurred Saturday, August 30, 1986 in WILTON, ME
Aircraft: PIPER PA-18, registration: N4641H
Injuries: 2 Fatal.
NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.
WITNESSES SAW THE ACFT GO INTO A NOSE DOWN ATTITUDE PRIOR TO CRASHING INTO A WOODED AREA NEAR THE ARPT. RPRTDLY, THE PROP WAS TURNING, BUT NO SOUND WAS HEARD FROM THE ENG. SUBSEQUENTLY, THE ACFT IMPACTED THE GND IN A NOSE LOW, INVERTED ATTITUDE. NO PREIMPACT MECHANICAL PROBLEMS WERE FOUND DURING THE INVESTIGATION. ABOUT 32 MILES NW AT AUGUSTA, ME, THE TEMP & DEW POINT WERE 72 & 46 DEG, RESPECTIVELY. WITH THIS CONDITION, SERIOUS CARB ICING WAS POSSIBLE; HOWEVER, THE CARB HEAT WAS FOUND IN THE HEAT POSITION, BOTH IN THE COCKPIT & AT THE CARB AIR BOX. THE AMOUNT OF FUEL ON BOARD THE ACFT AT THE TIME OF THE ACCIDENT WAS NOT DETERMINED, ALTHOUGH, IT WAS SERVICED WITH 5.5 GAL OF FUEL PRIOR TO THE FLT. THE PRIMER WAS FOUND UNLOCKED AND THE MAGNETO SWITCH WAS FOUND IN THE OFF POSITION.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:REASON FOR OCCURRENCE UNDETERMINED
The National Transportation Safety Board determines the probable cause(s) of this accident to be:AIRSPEED..NOT MAINTAINED..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:STALL..INADVERTENT..PILOT IN COMMAND
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