Civil or military authorities may give certain areas on the surface or in the air a specific status based on applicable international and national rules and regulations. An example are air navigation warnings, such as activation of temporary or permanent prohibited, restricted and danger areas, as defined by the International Civil Aviation Organization (ICAO). Types and existing classifications of such areas needs to be investigated.
Civil or military authorities may give certain areas on the surface or in the air a specific status based on applicable international and national rules and regulations. An example are air navigation warnings, such as activation of temporary or permanent prohibited, restricted and danger areas, as defined by the International Civil Aviation Organization (ICAO). Types and existing classifications of such areas needs to be investigated.