What happened
During a low-altitude electronic countermeasures (ECM) training mission, an aircraft crashed into the ocean near Shikoku Island. The aircraft was performing maneuvers at a low altitude and low airspeed when it made impact with the water surface. The accident resulted in the deaths of all five crew members onboard.
Findings
Preliminary details indicate that the aircraft was operating in a low-level flight phase at the time of the accident. The impact occurred while the aircraft was cruising at low speed and low altitude during the execution of its military training exercise.