The International Civil Aviation Organization (ICAO) defines several important codes for use in international aviation:
- International Civil Aviation Organization airport codes or location indicators (published in ICAO Document 7910 - Location Indicators): 4-letter codes like LSZH for Zürich or HECA for Cairo
- Airline codes or ICAO airline designators (published in ICAO Document 8585 - Designators for Aircraft Operating Agencies, Aeronautical Authorities and Services): 3-letter codes like BAW for British Airways or AFR for Air France
- ICAO aircraft type designators (published in ICAO Document 8643 - Aircraft Type Designators): 4-letter codes like A320 for Airbus 320 or B772 for Boeing 777-200
- ICAO 24bit aircraft addresses: allocation of 24 bit addresses to states to uniquely identify aircraft worldwide
Famous quotes containing the word code:
“Wise Draco comes, deep in the midnight roll
Of black artillery; he comes, though late;
In code corroborating Calvins creed
And cynic tyrannies of honest kings;
He comes, nor parlies; and the Town, redeemed,
Gives thanks devout; nor, being thankful, heeds
The grimy slur on the Republics faith implied,
Which holds that Man is naturally good,
Andmoreis Natures Roman, never to be
scourged.”
—Herman Melville (18191891)
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