Tokyo - Niigata

On July 23, 1986 at 12:00 AM, Tokyo - Niigata experienced a crash involving Mitsubishi MU-300 Diamond, operated by The Yomiuri Shimbun, with the event recorded near Mt Kinpoku (Sado Island) Chubu.

The flight was categorized as training and the reported phase was landing (descent or approach) at a mountains crash site.

4 people were known to be on board, 4 fatalities were recorded, 0 survivors were identified or estimated. This corresponds to an estimated fatality rate of 100.0%.

Crew on board: 4, crew fatalities: 4, passengers on board: 0, passenger fatalities: 0, other fatalities: 0.

The listed crash cause is human factor. The crew departed Tokyo-Haneda on a training flight to Niigata. He started the descent to Niigata Airport in limited visibility due to poor weather conditions when the aircraft struck the slope of Mt Kinpoku located in the center of Sado Island, about 67 km northwest of runway 10 threshold. The aircraft was destroyed and all four crew members were killed.

Aircraft reference details include registration JA8246, MSN 92, year of manufacture 1984.