aeronavigatsiooni protseduurid, PANS
ICAO protseduurid, mis sisaldavad järgmisi dokumente: Doc 4444 “Air Traffic Management“, Doc 8168 “Aircraft Operations“, Doc 8400 ICAO Abbreviations and Codes“ ja Doc 9868” Training“, procedures developed mostly through the ICAO divisional-type meetings and approved by the Council for worldwide application