Aviation Accident Summaries

Aviation Accident Summary GAA19CA563

Mountain Village, AK, USA

Aircraft #1

N77KZ

De Havilland BEAVER DHC 2

Analysis

The pilot in the float-equipped airplane reported that he did not extend the flaps before he accelerated for takeoff from a lake. He added that, shortly after coming on step, he rolled the ailerons left and applied back pressure to the elevator to "become airborne." However, the airplane did not become airborne, and the floats subsequently impacted the shoreline. The airplane then bounced, skidded to a stop, impacted rising terrain, and came to rest upright. The airplane sustained substantial damage to the left elevator. The pilot reported that he had not maintained a sterile cockpit during takeoff and that he failed to complete the Before Takeoff checklist. The pilot reported that there were no mechanical malfunctions or failures with the airplane that would have precluded normal operation.

Factual Information

The pilot in the float-equipped airplane reported that, he did not extend the flaps before he accelerated for takeoff. Shortly after coming on step, "I rolled the ailerons to the left and applied back pressure to the yoke to become airborne." However, the airplane did not become airborne before the floats struck the tundra, the airplane bounced and skidded to a stop, upright. The airplane sustained substantial damage to the left elevator. The pilot reported that he had not maintained a sterile cockpit during takeoff, and he failed to complete the Before Takeoff Checklist. The pilot reported that there were no mechanical malfunctions or failures with the airplane that would have precluded normal operation.

Probable Cause and Findings

The pilot's improper takeoff configuration due to distraction, which resulted in the airplane’s failure to become airborne and its subsequent collision with rising terrain. Contributing to the accident was the pilot's failure to use the Before Takeoff checklist.

 

Source: NTSB Aviation Accident Database

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