AIDC F-CK-1 Ching-kuo (經國號戰機), commonly known as the Indigenous Defense Fighter (IDF), is a Taiwanese air superiority jet fighter with multirole capability named after Chiang Ching-kuo, the late President of the Republic of China. The aircraft made its first flight in 1989. It was delivered to the Republic of China Air Force in January 1994 and entered service in 1997.[2] All 130 production aircraft had been manufactured by 1999. Airplane Design, Jet Aircraft