Fatal aircraft accident off Hamamatsu during test flight

4 fatalities • Hamamatsu, Japan • Flight

An aircraft crashed into the sea near Hamamatsu during a post-maintenance test flight, resulting in the deaths of all four crew members.

What happened

During a scheduled test flight following recent maintenance work, the aircraft experienced a critical loss of control while in transit. During the flight, the co-pilot contacted air traffic control to report the presence of technical difficulties. Shortly after this communication, the aircraft entered a steep dive. The flight ended when the plane impacted the ocean surface in the waters off Hamamatsu.

Findings

  • The flight was being conducted as a post-maintenance evaluation.
  • The crew reported experiencing technical issues prior to the loss of control.
  • The accident resulted in four fatalities among the crew members.

Probable cause

The aircraft entered an uncontrollable dive following the onset of technical malfunctions during a test flight.

Related events

Same operator

Frequently asked questions

What happened in the 1994-10-19 Mitsubishi MU-2 Marquise accident near Hamamatsu, Japan?

An aircraft crashed into the sea near Hamamatsu during a post-maintenance test flight, resulting in the deaths of all four crew members.

Were there any fatalities in the 1994-10-19 Mitsubishi MU-2 Marquise accident?

The accident was fatal, resulting in 4 fatalities.

What aircraft was involved and where did it happen?

The accident on 1994-10-19 involved a Mitsubishi MU-2 Marquise, registration 53-3219, operated by Japan Air Self-Defense Force - Kōkū Jieitai, at Hamamatsu, Japan.

What was the probable cause of the accident?

The aircraft entered an uncontrollable dive following the onset of technical malfunctions during a test flight.

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