CAA, the
From Longman Dictionary of Contemporary EnglishCAA, thethe CAACAA, the /ˌsiː eɪ ˈeɪ/ (the Civil Aviation Authority) a British organization that controls the operation of the air travel industry, especially by making safety rules and directing the traffic of planes in the UKFrom Longman Business DictionaryCAACAA TRAVELabbreviation for CIVIL AVIATION AUTHORITY