Aviation Accident Summaries

Aviation Accident Summary ANC12CA074

Tynoek, AK, USA

Aircraft #1

N4272Z

PIPER PA-18-150

Analysis

The pilot stated that he was taking off from an off-airport site on a mountain ridge when an updraft lifted the right wing. The airplane entered an aerodynamic stall that the pilot was unable to recover from before the airplane impacted terrain. The airplane sustained substantial damage to the right wing and fuselage. The pilot reported that there were no preaccident mechanical anomalies with the airplane.

Factual Information

The pilot stated that he was taking off from an off-airport site on a mountain ridge when a updraft lifted the right wing. The airplane entered an aerodynamic stall that he was unable to recover from before impacting terrain. The airplane sustained substantial damage to the right wing and fuselage. The pilot reported that there were no preaccident mechanical anomalies with the airplane.

Probable Cause and Findings

The pilot's failure to maintain sufficient airspeed during the initial climb after takeoff, which resulted in an aerodynamic stall.

 

Source: NTSB Aviation Accident Database

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