Pilot Debrief

CESSNA 150F near North Pole, AK — 2010-10-01

Final reportANC10LA101
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Date
2010-10-01
Location
North Pole, AK, USA
Airport
95Z
Aircraft
CESSNA 150F
Registration
N3569L
Category
Airplane
Highest injury
None
Fatalities
0
Phase of flight
Takeoff roll

Probable cause

The overstress separation of the left nose wheel steering linkage rod end during the takeoff roll, which resulted in a loss of control.

NTSB narrative

The student pilot reported that during the takeoff roll, about 50 miles per hour, the airplane swerved left. He stated that the nose wheel dug into the dirt runway during the swerve, and the airplane nosed over. A postaccident examination of the airplane revealed that the left nose wheel steering linkage rod end was fractured. Magnified optical examination of the linkage fracture surfaces and surrounding area revealed fracture features and deformation patterns consistent with a bending overstress separation. No indication of preexisting cracking, such as fatigue or corrosion, was noted.

Analysis

Primary failure mode
Loss of control
First missed decision gate
Pilot could have aborted takeoff when the airplane began to swerve.

NTSB coding

Evidence available

  • 4 docket documents
View NTSB final reportView NTSB docket

Docket documents4

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