On May 27, 1949, a Curtiss C-46 Commando (registration N5615V) operated by Trans-Air Hawaii was involved in an aviation accident near Kahului, United States of America during landing or approach. 2 people were killed. Investigators recorded the probable cause as: The failure of cylinder number eight on the right engine caused a hydraulic fluid leak that ignited upon contact with hot parts, leading to an engine explosion and loss of control. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).
A twin-engine aircraft crashed into the ground near Kahului Airport after a right engine fire caused loss of control during final approach, resulting in the deaths of both crew members.
What happened
During the final approach phase to Kahului Airport, the aircraft experienced a critical mechanical failure. The right-hand engine caught fire and subsequently exploded. This event led to a complete loss of control over the airframe. Unable to recover, the aircraft dove into the terrain and impacted the ground. Both individuals on board were killed in the accident.
Findings
The official investigation determined that the incident originated from a mechanical defect. Specifically, cylinder number eight on the right engine failed. This failure caused hydraulic fluid to leak into the engine compartment. Upon contact with high-temperature components, the spilled fluid ignited, triggering the fire and subsequent explosion that resulted in the loss of the aircraft.
Probable cause
The failure of cylinder number eight on the right engine caused a hydraulic fluid leak that ignited upon contact with hot parts, leading to an engine explosion and loss of control.
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