Marka International (Amman Civil) Airport

Marka International (Amman Civil) Airport carries the IATA code ADJ — the three letters printed on boarding passes and baggage tags — and the ICAO code OJAM, used in flight plans and by air traffic control. It serves Amman, Jordan.

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.