NTSB Identification: MIA88FA192.
The docket is stored on NTSB microfiche number 36295.
Accident occurred Wednesday, June 15, 1988 in BENOIT, MS
Probable Cause Approval Date: 06/07/1989
Aircraft: BELL 47G3B-1, registration: N73947
Injuries: 1 Serious.
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.THE PLT SAID THE ENGINE MISFIRED THREE TIMES DURING TAKEOFF AND LOST PARTIAL POWER. THE HELICOPTER SETTLED INTO A RICE FIELD AND THE DAMAGED SPRAY BOOMS BECAME ENTANGLED. THE HELICOPTER NOSED OVER IN THE HIGH VEGETATION. THE PLT STATED THE ENGINE ACCELERATED AND SHUTDOWN AS THE AIRCRAFT CAME TO REST INVERTED. EXAMINATION OF THE CARBURETOR BOWL REVEALED RUST. TWO 1/4 INCH PARTICLES OF RUST WERE LYING IN THE BOTTOM OF THE BOWL. NO WATER WAS FOUND IN THE ENGINE OR FUEL SYSTEM.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:
FUEL SYSTEM,CARBURETOR..CORRODED
The National Transportation Safety Board determines the probable cause(s) of this accident to be:
FUEL SYSTEM,CARBURETOR..CONTAMINATION
The National Transportation Safety Board determines the probable cause(s) of this accident to be:
FUEL SYSTEM,CARBURETOR..BLOCKED(PARTIAL)
Contributing Factors
AUTOROTATION..ATTEMPTED..PILOT IN COMMAND
Contributing Factors
TERRAIN CONDITION..HIGH VEGETATION
Contributing Factors
ROTOR RPM..NOT MAINTAINED..PILOT IN COMMAND
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