Pilot Debrief

GRUMMAN ACFT ENG COR-SCHWEIZER G-164B near Beaman, IA — 2009-07-10

Final reportCEN09LA451
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Date
2009-07-10
Location
Beaman, IA, USA
Aircraft
GRUMMAN ACFT ENG COR-SCHWEIZER G-164B
Registration
N6683K
Category
Airplane
Highest injury
None
Fatalities
0
Phase of flight
Takeoff roll

Probable cause

The loss of engine power during initial climb for undetermined reasons.

NTSB narrative

The pilot reported that he performed a preflight examination and pretakeoff engine run-up of the airplane and no anomalies were detected. He reported that the takeoff was normal until just after liftoff when the airplane's engine lost power but did not quit completely. The pilot advanced the throttle, but the engine did not respond. The airplane struck a fence at the end of the grass runway, settled into the adjacent agricultural field, and nosed over. Examination of the airplane subsequent to the accident failed to reveal a reason for the partial loss of engine power.

Analysis

Primary failure mode
Engine power loss
First missed decision gate
Pilot could have aborted takeoff upon noticing loss of engine power.

NTSB coding

Evidence available

  • 2 docket documents
View NTSB final reportView NTSB docket

Docket documents2

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