NTSB Identification: WPR12LA292
14 CFR Part 137: Agricultural
Accident occurred Sunday, June 24, 2012 in Brewster, WA
Probable Cause Approval Date: 09/05/2013
Aircraft: SIKORSKY S-58B, registration: N9043N
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.

As the helicopter lifted into a hover, the manifold pressure gauge indicated a significant increase and the pilot smelled smoke. The pilot set the helicopter back onto the ramp and observed smoke rolling up the side of the fuselage. He egressed the helicopter rapidly and noticed fire around the engine compartment. The magnesium-constructed airframe was subsequently consumed by fire; the origin of the fire could not be determined.

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

An in-flight fire during hover for reasons that could not be determined due to the extent of fire damage that subsequently consumed the structure.

Full narrative available

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