NTSB Identification: LAX94LA188.
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Accident occurred Tuesday, April 12, 1994 in WILLCOX, AZ
Probable Cause Approval Date: 01/03/1995
Aircraft: BELL 47G-2, registration: N5827U
Injuries: 2 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.

DURING A FLIGHT TO DEMONSTRATE HELICOPTER FLYING TECHNIQUES TO ERADICATE FROST FROM AN ORCHARD, THE HELICOPTER LOST ENGINE POWER ABOUT 15 FT AGL AND SETTLED INTO TREES. SAND-LIKE CONTAMINATION WAS FOUND IN THE FUEL, CARBURETOR FUEL BOWL, AND INTERNAL PASSAGES OF THE CARBURETOR.

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

ENGINE POWER LOSS DUE TO FUEL CONTAMINATION AS A RESULT OF INADEQUATE INSPECTION OF THE FUEL AND FUEL SYSTEM.

Full narrative available

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