ICAO code
Appearance
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 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