Geography, Territory and environment
For each airport, a security zone is to be established, which protects the airspace from obstacles. The FOCA will decide in each case whether a safety zone is necessary for air ...
Geography, Mobility and Transport
Air navigation obstacle data are data on the obstacles defined in Article 2 letter k of the Ordinance of 23 November 1994 on Aviation Infrastructure (VIL, SR 748.131.1). Air nav...