“A technical breakdown occurred at Skyguide, the Swiss air traffic control service, in the early hours of the morning, which is why Swiss airspace was closed to traffic for safety reasons,” the statement said. from Skyguide.
The company gave no explanation of the reasons for the outage, stating only that “this closure of airspace applies until further notice” and stressing that the company “deplores this incident and its consequences for its customers, partners and passengers of Geneva and Zürich airports and is working hard to find a solution”.
Geneva Cointrin International Airport tweeted that “all take-offs and landings at Genève Aéroport are suspended until 11 a.m.” (0900 GMT).
A spokeswoman for Zürich Airport, the other major air hub in the Alpine country, said the airport remained open despite the outage.
According to the ATS-Keystone agency, international flights to Switzerland have been diverted to, in particular, Milan airport in northern Italy.