EuroAirport Basel–Mulhouse–Freiburg

EuroAirport Basel–Mulhouse–Freiburg carries the IATA code BSL — the three letters printed on boarding passes and baggage tags — and the ICAO code LFSB, used in flight plans and by air traffic control. It serves Bâle / Mulhouse, France.

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.