Doc: 7910 Pdf

Four letters, usually used for operational, technical, and ATC purposes (e.g., EGLL).

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Beyond airport codes, Doc 7910 also includes a list of the official addresses of the centers in charge of flight information regions (FIRs) and/or upper flight information regions (UIRs), ensuring global communication networks can accurately route messages. doc 7910 pdf

Managing national location assignments.

: Addresses and contact details for centers responsible for Flight Information Regions (FIR) and Upper Flight Information Regions (UIR). Four letters, usually used for operational, technical, and

The first one or two letters of the four‑letter code represent the State or region (e.g., E for Northern Europe, K for the contiguous United States, V for Southeast Asia). The remaining two or three letters identify the specific aerodrome (e.g., C for Chicago O’Hare → KORD ).

: Key sections of the document are provided in English, French, Spanish, and Russian. The Location Indicator System Managing national location assignments

Whether you are a pilot, a dispatcher, an air traffic controller, a software developer, or an aviation regulator, maintaining access to the current edition of ICAO Doc 7910 is essential for safe, efficient, and compliant international aviation operations.

Professionals frequently search for the "Doc 7910 PDF" or digital copies to:

If you prefer a printed paper copy, those are also available from the ICAO Store, with the same quarterly update pattern.