The Common ICAO Data Interchange Network (CIDIN) is a network, run by the International Civil Aviation Organization (ICAO), which makes up part of the aeronautical fixed service. It is used to transmit text or binary messages for the purposes of air traffic control.1
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Last revised Aug 12, 2026
Common ICAO Data Interchange Network
The Common ICAO Data Interchange Network (CIDIN) is a network, run by the International Civil Aviation Organization (ICAO), which makes up part of the aeronautical fixed service. It is used to transmit text or binary messages for the purposes of air traffic control.