The unprecedented incident: 13 aircraft suddenly disappeared from the radar

A total of 13 aircraft suddenly disappeared from the radar for about 25 minutes in two incidents in Austria and neighboring countries, Austrian flight safety monitoring agency said and called on the EU to investigate the incident. This is unprecedented '.

The flights suddenly disappeared from the air traffic control screen in Austria on June 5 and June 10, each time within 25 minutes, Mr. Marcus Pohanka belonged to Austria's flight safety organization on Thursday 12. / 6 said.

Air traffic control stations in Austria's neighboring countries, Germany and the Czech Republic, reported similar cases.

Mr. Pohanka said the location, height and identity of the 13 aircraft were all missing in the sky of Austria and he called these "unprecedented" incidents .

Mr. Pohanka added that the flight management agencies in Munich and Karlsruhe in Germany and Prague, Czech Republic have also encountered such incidents.

Mr Poahanka declined to say which airlines and aircraft were involved in the incident, but said some might be passenger planes, flying at high altitudes. The European checkpoint and the European Aviation Safety Agency will investigate the case.

Vienna-based Kurier news agency quoted an unnamed expert as saying that the cause is likely to be due to interference between aircraft receivers and the ground.