NTSB Identification: DEN83LA086.
The docket is stored on NTSB microfiche number 22050.
Accident occurred Sunday, March 27, 1983 in WORLAND, WY
Aircraft: PIPER PA-18A-150, registration: N8977D
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 COLLIDED WITH A DITCH AND COLLAPSED THE LANDING GEAR DURING A FORCED LANDING AFTER THE ENGINE QUIT DURING A FERRY FLIGHT. THE PLT REFUELED THE EMPTY RIGHT FUEL TANK AND TOPPED-OFF THE LEFT TANK WITH 3 GALLONS OF FUEL BEFORE THE INITIAL TAKEOFF ON THE DAY OF THE ACCIDENT. THE PLT REPORTED THAT DURING THE FLT HE FLEW ON THE LEFT TANK UNTIL IT WAS ALMOST EMPTY BEFORE SWITCHING TO THE RIGHT TANK. SHORTLY AFTER SWITCHING TANKS THE ENGINE STOPPED. THE PLT SWITCHED BACKTO THE LEFT TANK AND WAS ABLE TO REGAIN POWER. BUT SOON THE ENGINE QUIT AGAIN AND THE PLT USED THE HAND PRIMER WHILE SWITCHING TO THE RIGHT TANK. THE ENGINE WOULD NOT RESTART SO THE PLT SELECTED A DIRT ROAD FOR LANDING. INVESTIGAITON REVEALED SEVERAL DISCREPANCIES IN THE FUEL SYSTEM. NO FILTER SCREEN WAS INSTALLED IN THE GASCOLATOR. THE MIXTURE CONTROLWAS NOT PROPERLY ATTACHED. THE RIGHT FUEL TANK WAS CONTAMINATED. THE RIGHT TANK DRAIN SUMP COULD NOT BE OPERATED. THE CARBURETOR CONTAINED WATER AND CONTAMINATION IN THE BOTTOM OF THE FLOAT CHAMBER.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:
AIRCRAFT PREFLIGHT..IMPROPER..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:
PROCEDURES/DIRECTIVES..IMPROPER..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:
FUEL SUPPLY..IMPROPER..PILOT IN COMMAND
Contributing Factors
FLUID,FUEL..CONTAMINATION
Contributing Factors
TERRAIN CONDITION..DITCH
Contributing Factors
FLUID,FUEL..STARVATION
Contributing Factors
FUEL SYSTEM,DRAIN..INOPERATIVE
Contributing Factors
FUEL SYSTEM,STRAINER..LACK OF
Contributing Factors
FUEL SYSTEM,TANK..CONTAMINATION
Contributing Factors
FLUID,FUEL..WATER
Contributing Factors
FUEL SYSTEM,TANK..WATER
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