Arab Air Carriers Organization (English. Arabic Air Carriers Organization; Arabic: الإتحاد العربي للنقل الجوي; abbreviated as AACO) is a trade organization formed by airlines in the Arab region, founded in 1965 and headquartered in Beirut, Lebanon, to promote cooperation, service quality and safety standards among airlines in the Arab region. AACO is a trade organization of Arab regional airlines founded in 1965 and headquartered in Beirut, Lebanon.