On July 30, 1984, a Piper PA-28-181 (registration N8445F) was involved in an aviation accident near Park Valley, UT. Investigators recorded the probable cause as: The pilot's failure to maintain aircraft control during night VFR flight due to spatial disorientation in an environment lacking visual cues, compounded by his limited night flight experience. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 4 related events involving the same aircraft type or operator are linked below.
A newly certified private pilot crashed an aircraft into tundra during a night VFR flight over a featureless desert-like environment, resulting in fatal injuries due to spatial disorientation.
What happened
The accident occurred on a moonless night when the pilot departed for a visual flight rules (VFR) journey. The route took the aircraft over a landscape described as a desert-like environment, which lacked distinct visual cues necessary for maintaining attitude reference. Following the crash, wreckage was located the next day. The aircraft had impacted the tundra in an inverted position at a high rate of speed.
The investigation
An examination of the pilot's flight logbook revealed that he held a newly certified private pilot certificate. The records indicated that the pilot had accumulated less than two hours of total night flight time prior to this event.
Findings
The lack of visual references in the terrain contributed significantly to the accident. The pilot's limited experience with night flying was a critical factor. The combination of these elements led to spatial disorientation, causing the aircraft to crash into the ground inverted.
Probable cause
The pilot's failure to maintain aircraft control during night VFR flight due to spatial disorientation in an environment lacking visual cues, compounded by his limited night flight experience.
What happened in the 30 Jul 1984 Piper PA-28-181 accident near Park Valley, UT?
A newly certified private pilot crashed an aircraft into tundra during a night VFR flight over a featureless desert-like environment, resulting in fatal injuries due to spatial disorientation.
What aircraft was involved and where did it happen?
The accident on 30 Jul 1984 involved a Piper PA-28-181, registration N8445F, at Park Valley, UT.
What was the probable cause of the accident?
The pilot's failure to maintain aircraft control during night VFR flight due to spatial disorientation in an environment lacking visual cues, compounded by his limited night flight experience.
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