On February 1, 1953, a Lockheed P-2 Neptune (registration 127751) operated by United States Navy - USN was involved in an aviation accident near Okinawa, Japan in flight. 11 people were killed. Investigators recorded the probable cause as: The aircraft flew into mountainous terrain while under controlled flight conditions. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 8 related events involving the same aircraft type or operator are linked below.
An aircraft conducting a maritime patrol mission crashed into a mountainside on Okinawa Island, resulting in the loss of all crew members.
What happened
During a scheduled maritime patrol operation, an aircraft struck the slope of a mountain situated on Okinawa Island within the Ryukyu Islands. The incident occurred while the flight was operating under marginal weather conditions. The impact with the terrain resulted in the deaths of all 11 crew members onboard.
Findings
Official investigations concluded that the accident was the result of controlled flight into terrain. The presence of degraded visibility and challenging meteorological conditions at the time of the crash were noted as significant factors during the mission.
Probable cause
The aircraft flew into mountainous terrain while under controlled flight conditions.
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