: Indicates Northern Europe (e.g., EGLL for London Heathrow). : Indicates parts of Southern Asia (e.g., VABB for Mumbai).
The DOC 7910 is not a simple list. It is a standardized document that organizes data in a specific way to ensure global interoperability. A typical DOC 7910 PDF includes the following sections:
The International Civil Aviation Organization (ICAO) Document 7910, formally titled Location Indicators , is a foundational pillar of global aviation infrastructure. For pilots, air traffic controllers, flight planners, and aviation software developers, this document is the definitive authority on the four-letter codes used to identify geographical locations worldwide. doc 7910 pdf
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ICAO frequently releases new editions to reflect new airports or changes in FIR boundaries, often releasing new versions within months of each other. Where can I find a "Doc 7910 PDF" for free? : Indicates Northern Europe (e
While older editions are sometimes found on document-sharing platforms, the official and most up-to-date versions (currently through Edition 197) are published by the International Civil Aviation Organization (ICAO). Official Purchase
: Powers the Aeronautical Fixed Telecommunication Network (AFTN) to route flight plans and safety messages. It is a standardized document that organizes data
Cross-checking correct indicators ensures that flight plans are routed through the correct Air Traffic Control systems without rejection.
This is the most referenced section. It lists four-letter indicators alphabetically by the first letter (which denotes a geographical region, known as the ICAO regional prefix). For example: