Last updated
September 26, 2011
Terms of use
Open use. Must provide the source. Use for commercial purposes requires permission of the data owner.


The aeronautical obstacles are data in the sense of article 2k of the regulation from 23 November 1994 concerning the aviation infrastructure (VIL, SR 748.131.1). Air navigation obstacles are buildings and facilities (including antennas, buildings, cables, cranes, teleferics, power lines, wind power plants, plantations) that hamper, endanger or make the operation of aircraft or air navigation facilities impossible. They are raised as part of the notification and authorization procedure under article 63 VIL. This data set includes all air navigation obstacles published in the military context. This includes obstacles with a height over terrain of 25 meters or more outside populated areas or 60 m and more within populated areas. Air navigation obstacles around airports are not included.


Additional information

Issued date
September 26, 2011
Modified date
September 26, 2011
Bundesamt für Zivilluftfahrt
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