On the morning of the 14th, a malfunction occurred in the air traffic control system that guides passenger planes flying over Hokkaido to the Chugoku region with radar, causing a delay of up to 35 minutes for about 40 flights including flights departing from Haneda Airport. It was.

After 7:15 am on the 14th, at the Tokyo Air Traffic Control Center of the Ministry of Land, Infrastructure, Transport and Tourism in Tokorozawa City, Saitama Prefecture, a problem such as the position not being displayed occurred in the air traffic control system that guides passenger aircraft using radar. ..



The system has jurisdiction over the sky from Hokkaido to a part of the Chugoku region, and the Tokyo Air Traffic Control Center has restricted flights so that they can check the situation.



According to the Ministry of Land, Infrastructure, Transport and Tourism, it was restored by restarting the system and resumed operations, but due to this effect, flights such as Japan Airlines and All Nippon Airways departing from 10 airports such as Haneda Airport and Osaka Airport, totaling about It means that 40 flights were delayed by up to 35 minutes.



The Ministry of Land, Infrastructure, Transport and Tourism is investigating the detailed cause of the trouble.