Air Asia Co., Ltd. operates as an aircraft maintenance company in Taiwan and internationally. It offers civilian and military aircraft maintenance, engine and component maintenance, helicopter maintenance, and aeronautical parts asset management services; and commercial and military aircraft maintenance, repair, and overhaul services comprising A/B/C/D checks, airworthiness directives/service bulletins, CPCP/SSID, structure damage repair, and airframe modification and retrofit services. The company also provides engine and component maintenance services, such as engine and component repair and overhaul, precision measurement, and non-destructive inspection services. In addition, it offers ramp services; landing permit application services; and third-party services, including catering, laundry, and airport services. Further, it provides helicopter maintenance service, as well as leases and trades aircraft and related parts and equipment. The company was formerly known as Civil Air Transport and changed its name to Air Asia Co., Ltd. in 1955. Air Asia Co., Ltd. was founded in 1946 and is based in Tainan City, Taiwan.