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NTSB investigation record

WPR13CA117

Completed

Cessna 170B· N2619D

Date
February 6, 2013
Location
Sunburst, MT
Conditions
VMC
Record
Published September 25, 2020

Primary finding

Probable cause

The pilot's failure to compensate for the strong, gusting wind conditions, which resulted in a loss of airplane control during takeoff.

Investigator assessment

Analysis narrative

The pilot taxied the airplane onto the runway most aligned with the wind and began the takeoff roll. Just as the airplane became airborne, a gust of wind lifted the right wing, and the left wing tip contacted the ground despite the pilot's application of full right aileron. The airplane came to rest, nose-down, facing opposite the direction of intended travel and sustained substantial damage to both wings and the left lift strut. The pilot estimated that the wind was 38 knots and gusting to 42 knots at the time of takeoff. The pilot reported no preimpact mechanical malfunctions or failures with the airplane that would have precluded normal operation.

Source record

Factual narrative

The pilot aligned the airplane into the wind and proceeded with the takeoff roll. As the airplane got airborne a gust of wind lifted the right wing and the left wing tip contacted the ground despite the pilot's application of full right aileron. The airplane was pulled to the left by the ground contact and came to rest on its nose facing the opposite direction of intended travel. During the accident sequence the airplane sustained substantial damage to the outboard sections of both wings and the left lift strut. The pilot estimated that the wind was 38 knots gusting to 42 knots. The pilot reported no preimpact mechanical malfunctions or failures with the airplane that would have precluded normal operation.

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