Inverted Aircraft Crash Following Spatial Disorientation

Casualties unknown • Iliamna, AK, US

A private pilot flying under visual flight rules crashed an aircraft in an inverted attitude after encountering whiteout conditions and spatial disorientation.

What happened

A private pilot, operating under visual flight rules (VFR), departed the airport during instrument meteorological conditions (IMC). The pilot's intention was to maintain visual reference with the ground by utilizing prominent ground features.

While aloft, the pilot determined that there were no prominent ground reference features available along the shoreline. This led to the aircraft entering whiteout conditions. During this period, the pilot became preoccupied with attempting to locate the ground rather than maintaining control of the aircraft. While attempting to execute a 180-degree turn maneuver, the pilot experienced spatial disorientation, resulting in the aircraft crashing in an inverted attitude.

Probable cause

The pilot's loss of control due to spatial disorientation while attempting a 180-degree turn after encountering whiteout conditions and becoming preoccupied with finding ground references.

Frequently asked questions

What happened in the 1993-03-07 Piper PA-22 accident near Iliamna, AK?

A private pilot flying under visual flight rules crashed an aircraft in an inverted attitude after encountering whiteout conditions and spatial disorientation.

What aircraft was involved and where did it happen?

The accident on 1993-03-07 involved a Piper PA-22, registration N67559, operated by Baumgartner, Robert G., at Iliamna, AK.

What was the probable cause of the accident?

The pilot's loss of control due to spatial disorientation while attempting a 180-degree turn after encountering whiteout conditions and becoming preoccupied with finding ground references.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001211X11898. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.

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