NTSB Identification: FTW88DRD11.
The docket is stored on NTSB microfiche number 36918.
Accident occurred Wednesday, June 29, 1988 in CHENEYVILLE, LA
Probable Cause Approval Date: 08/08/1989
Aircraft: SCHWEIZER G-164B, registration: N48585
Injuries: 1 Minor.

THE AG AIRPLANE WAS RETURNING AFTER SPRAYING CHEMICAL WHEN THE ENGINE STARTED TO LOSE POWER. DURING THE FORCED LANDING ON A HIGHWAY THE LEFT WING STRUCK A ROAD SIGN. NO MECHANICAL REASON FOR THE ENGINE POWER LOSS WAS FOUND. THE ACFT HAD AN ANNUAL INSPECTION 225 HOURS PRIOR TO THE ACC. TOTAL ACFT TIME WAS 4974 HOURS. THE ENG HAD ACCUM 653 HOURS SINCE A MAJOR OVERHAUL. THE DATE OF THE LAST ANNUAL WAS 3/1/88. POST ACC EXTERNAL INSPECTION OF THE ENG SHOWED ADEQUATE FUEL TO THE CARBURETOR AND ADEQUATE OIL SUPPLY. THE PLT SAID THE POWER LOSS WAS PARTIAL BUT HE COULD NOT MAINTAIN ALT. DURING THE LANDING ON A 4 LANE DIVIDED HIWAY THE ACFT STRUCK A SIGN AND SKIDDED SIDEWAYS ABOUT 50 FT BEFORE STOPPING. THE RT LNDG GEAR SHEARED OFF BUT THE ACFT REMAINED UPRIGHT.

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

FUEL SYSTEM,CARBURETOR..ICE

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

CARBURETOR HEAT..NOT USED..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..POLE

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