Pilot Debrief

GRUMMAN ACFT ENG COR-SCHWEIZER G-164B near Okanogan, WA — 2012-06-20

Final reportWPR12CA271
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Date
2012-06-20
Location
Okanogan, WA, USA
Aircraft
GRUMMAN ACFT ENG COR-SCHWEIZER G-164B
Registration
N6861K
Category
Airplane
Highest injury
Serious
Fatalities
0

Probable cause

The pilot's failure to maintain clearance from power lines while maneuvering.

NTSB narrative

The pilot reported that, while establishing the second boundary along the eastern edge of a field where he was conducting an aerial application, the airplane struck power lines. Following the collision with the power lines, the airplane turned to the left and impacted the ground in a flat attitude, which resulted in structural damage to all four wings and fuselage. The pilot stated that there were four sets of power lines near the field; however, the upper right wing blocked his view of the power lines that the airplane struck. No preimpact mechanical malfunctions were reported that would have precluded normal operation of the airplane.

NTSB coding

Evidence available

  • Photos
  • 2 docket documents
View NTSB final reportView NTSB docket

Docket documents2

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