NTSB Identification: SEA92LA112.
The docket is stored on NTSB microfiche number 46815.
Accident occurred Saturday, May 30, 1992 in WENATCHEE, WA
Probable Cause Approval Date: 08/31/1993
Aircraft: ENSTROM 280FX, registration: N86239
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.

DURING FINAL APPROACH TO LAND, THE HELICOPTER'S RIGHT SPRAY BOOM STRUCK A METAL FENCE POST RESULTING IN A LOSS OF CONTROL. THE HELICOPTER SUBSEQUENTLY COLLIDED WITH TERRAIN AFTER THE MAIN ROTOR BLADES IMPACTED NEARBY POWER LINES. THE PILOT REPORTED THAT HE DID NOT SEE THE FENCE POST AND THAT THE HELICOPTER'S WINDSCREEN WAS OBSCURED WITH CHEMICAL SPRAY.

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

THE PILOT IN COMMAND'S INADEQUATE VISUAL LOOKOUT. FACTORS CONTRIBUTING TO THE ACCIDENT WERE: OBJECT (FENCE POST) AND WINDSHIELD DIRTY (FOGGY)

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