Published by the International Civil Aviation Organization (ICAO), this document assigns a unique four-letter code to every airport and aviation facility that needs to talk to air traffic control or file a flight plan.
Individual countries publish their own specific location indicators within their national AIPs, which are often accessible online via national civil aviation authorities.
The globe is divided into specific regional zones. For example, K is reserved for the contiguous United States, C for Canada, E for Northern Europe, and V for parts of Southern Asia.
Location Indicators Publisher: International Civil Aviation Organization (ICAO) Purpose: To provide a standard coding system for every geographic location relevant to international aviation. doc 7910 pdf
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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
Unlike three-letter IATA codes (e.g., JFK, LHR, CDG), which are primarily used for commercial purposes like passenger ticketing and baggage handling, ICAO codes are strictly technical and operational. Key Functions of Doc 7910 For example, K is reserved for the contiguous
To obtain a legal, up-to-date copy of Doc 7910, you should utilize the following official resources:
The core of the document. This section lists every active four-letter code in alphabetical order, detailing the full name of the location, the state responsible for it, and its specific operational status. 3. Alphabetical List of Geographical Names
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You can find the official key to these prefixes exclusively in the DOC 7910 PDF.
In the world of aviation, precision is safety. The latest edition of the Manual on Location Indicators (Doc 7910) is an essential reference for: Dispatchers & Flight Planners: Ensuring route accuracy.
Unlike three-letter IATA codes (like JFK or LHR) which are primarily used for passenger ticketing and baggage routing, ICAO codes are used for operational flight planning, Air Traffic Control (ATC), and aeronautical telecommunications. Purpose of the Document
Airports open, close, change names, or alter their operational status constantly. Because of this fluid nature, ICAO updates Doc 7910 quarterly. Relying on an outdated, static PDF found via an internet search can lead to critical errors in flight planning and database management. How to Access Official and Current Versions
ICAO Doc 7910 is a comprehensive directory that lists official four-letter location indicators for airports, air traffic control centers, flight service stations, and weather reporting facilities across the globe. Unlike three-letter IATA codes (e.g., LAX, DXB), which are primarily commercial and passenger-facing, ICAO codes are operational. They route flight plans, aeronautical telecommunications, and weather data through the Aeronautical Fixed Telecommunication Network (AFTN).