- 美国联邦航空局 měiguóliánbānghángkōngjú Federal Aviation AdministrationFederal Aviation Administration (FAA); the government agency responsible for civil aviation in the United States
- 中国民用航空局 zhōngguómínyònghángkōngjú Civil Aviation Administration of ChinaCivil Aviation Administration of China (CAAC); the administrative agency responsible for civil aviation in China
