Aircraft collision with trees during departure in mountainous te…

Aircraft collision with trees during departure in mountainous terrain

Casualties unknown • Palmer, AK, US

A private pilot experienced a sudden downdraft during the initial climb, leading to a collision with trees and uneven terrain near a creek.

What happened

A private certificated pilot was departing from an airstrip situated along a creek within a canyon in mountainous terrain. At the time of departure, the pilot reported winds blowing from the south at approximately 20 knots.

During the initial climb, at an altitude of about 500 feet above the ground, the aircraft encountered a downdraft. This caused the airplane to descend and collide with several trees located along the creek bed. Following the impact with the trees, the aircraft struck uneven terrain, resulting in damage to the wings, fuselage, and landing gear.

After the crash, the pilot exited the aircraft to retrieve survival equipment and a global positioning system (GPS) receiver. While walking near the front of the wreckage, a gust of wind lifted the tail of the airplane, causing it to fall on top of the pilot.

Probable cause

The aircraft encountered a downdraft during the initial climb phase of flight, leading to a loss of altitude and subsequent collision with trees and terrain.

Frequently asked questions

What happened in the 2004-07-22 Piper J3C accident near Palmer, AK?

A private pilot experienced a sudden downdraft during the initial climb, leading to a collision with trees and uneven terrain near a creek.

What aircraft was involved and where did it happen?

The accident on 2004-07-22 involved a Piper J3C, registration N3458N, operated by Ronald E. Hills, at Palmer, AK.

What was the probable cause of the accident?

The aircraft encountered a downdraft during the initial climb phase of flight, leading to a loss of altitude and subsequent collision with trees and terrain.

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