Wangen-Brüttisellen is a municipality in the district of Uster in the canton of Zürich in Switzerland, located in the Glatt Valley.

Skyguide is an air navigation service provider which manages and monitors Swiss airspace. The company, which was formerly known as Swisscontrol, changed its name to skyguide in 2001. Skyguide is a joint-stock company under Swiss private law which is responsible, on behalf of the Swiss Confederation, for ensuring the safety of all Swiss airspace and of adjoining airspace areas in Germany, Austria, France and Italy that have been delegated to its control. For Swiss airspace, this duty extends to both civil and military air navigation services.