Geneva, 15 June 2022, 06:30h – The Swiss air navigation service provider Skyguide experienced a technical malfunction in the early hours of this morning, which is why Swiss airspace has been closed to traffic for safety reasons. This airspace closure is in effect until further notice. Skyguide regrets this incident and its consequences for its customers, partners and passengers at Geneva and Zurich airports, and is working to find a solution. Skyguide will provide further information as soon as it becomes available.