ICAO code

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ICAO code may refer to :

  • ICAO airport code, a four-character alphanumeric code designating each airport
  • ICAO airline designator, a three-letter code designating each airline
  • ICAO aircraft type designator, a three- or four-character alphanumeric code designating every aircraft type (and some sub-types) that may appear in flight planning
  • ICAO aircraft marshalling signals, visual signalling between ground personnel and pilots on an airport, aircraft carrier or helipad
  • ICAO 24-bit address, allocation of 24 bit addresses to states to uniquely identify aircraft worldwide