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New ICAO publication (Doc 7910)

Doc 7910 — Location Indicators. Edition No. 183, March 2022.


This document contains a list of ICAO four-letter location indicators and, for ease of reference, corresponding three-character International Air Transport Association (IATA) location identifier codes for geographical locations throughout the world. Also included is a list of addresses of centres in charge of flight information regions (FIRs) and/or upper flight information regions (UIRs).


This edition incorporates material received from 30/11/21 to 25/2/22.