Because aviation data is constantly evolving, ICAO updates Doc 7910 quarterly. The latest versions, such as Edition 197 , are available for purchase directly from the ICAO Store While digital "view-only" versions or 30-day trials
When you see a code like (Paris-Charles de Gaulle) or VHHH (Hong Kong International), the authority for that code rests in DOC 7910. The "PDF" version of this document is the digital, downloadable format that airlines, flight dispatchers, and navigation service providers use daily. doc 7910 pdf
When you open the PDF, the layout can be dense. Here is a quick cheat sheet on reading the rows: Because aviation data is constantly evolving, ICAO updates
This section lists codes for communication centers that relay flight data, weather reports (METARs), and NOTAMs. Because aviation data is constantly evolving
