What happened
During the flight, an engine on the aircraft experienced a fire that escalated into an explosion. Following this critical mechanical failure, the entire crew initiated an emergency bailout procedure. After the crew exited the plane, the aircraft entered a steep descent and struck the ground in a mountainous area situated approximately 7 km west of Yokosuka.
Despite the destruction of the aircraft upon impact, all 13 crew members survived the incident. No fatalities were reported among the personnel involved in the flight.
Findings
Investigations into the accident determined that the primary factor leading to the crash was an engine explosion occurring while the aircraft was en route.