Santos Dumont Airport

Santos Dumont Airport carries the IATA code SDU — the three letters printed on boarding passes and baggage tags — and the ICAO code SBRJ, used in flight plans and by air traffic control. It serves Rio de Janeiro, Brazil.

IATA codes are assigned by the International Air Transport Association for passenger-facing use; the four-letter ICAO code encodes region and country and belongs to the operational side of aviation.