Aviation Accident Summaries

Aviation Accident Summary ANC11CA058

Palmer, AK, USA

Aircraft #1

N949AK

AVIAT AIRCRAFT INC A-1B

Analysis

The pilot reported that he was flying at a low altitude in mountainous terrain when the airplane encountered a strong downdraft, and began to descend. He added full engine power to stop the descent, but the airplane continued to descend, and impacted an area of down sloping, rock-covered terrain. The airplane sustained substantial damage to the fuselage, wings, and empennage. The pilot indicated that there were no preaccident mechanical problems with the airplane.

Factual Information

The pilot reported that he was flying in mountainous terrain while showing the passenger some sheep. As the airplane passed near an area of steep terrain, he encountered a strong downdraft, and the airplane began to descend. He added full engine power to stop the descent, but the airplane continued to descend, and impacted an area of down sloping, rock-covered terrain. The airplane sustained substantial damage to the fuselage, wings, and empennage. The pilot indicated that there were no preaccident mechanical problems with the airplane.

Probable Cause and Findings

The pilot's decision to fly at a low altitude in mountainous terrain and weather conditions conducive to downdrafts.

 

Source: NTSB Aviation Accident Database

Get all the details on your iPhone or iPad with:

Aviation Accidents App

In-Depth Access to Aviation Accident Reports