Fatal In-Flight Fire and Crash into the Sea (44-78027)

Incident Overview and Timeline According to the official investigation source, the incident began approximately thirty minutes after the aircraft departed Misawa Air Force Base. During this period, the flight crew communicated to air traffic control that a fire had started in the main cabin. The source does not specify the aircraft type, registration, operator, or exact date of the event. ## Loss of Control and Impact Following the report of the cabin fire, the airplane subsequently went out of control. It crashed into the sea located about 30 km south of Tomakomai. The impact resulted in the deaths of all 35 people on board. ## Official Findings The official investigation identified the probable cause as an unknown in-flight fire. No further details regarding the origin of the fire or specific mechanical failures were provided in the source material.