a designated route along which air traffic advisory service is available
Hea teada
Air traffic control service provides a much more complete service than air traffic advisory service; advisory areas and routes are therefore not established within controlled airspace, but air traffic advisory service may be provided below and above control areas.
Hea teada
Valdkond ICAO lisade põhjal loodud klassifikaatori järgi: Lennureeglid; Lennuliikluse korraldamine