 {| |} the aidc f-ck-1 ching-kuo (ç¶åèæ°æ©), 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 entered active service with the republic of china air force in 1994, and all 130 production aircraft had been manufactured by 1999. the idf program was initiated when the united states refused to sell f-20 tigershark and f-16 fighting falcon jet fighters to taiwan following diplomatic pressure from the people's republic of china. taiwan therefore decided to develop an advanced indigenous jet fighter. the idf jet fighter project was designed and built by the aerospace industrial development corporation (aidc) based in taichung, taiwan, with some assistance from american defense corporations. ==development== the preliminary search for a replacement for the rocaf's f-5s and f-104s began with the xf-6 indigenous fighter project, later renamed yin yang, in the late 1970s. after the us established formal relations with the china and ended the mutual defense treaty with taiwan, president chiang ching-kuo decided to expand the indigenous defense industry and on august 28, 1980, ordered aidc to design an indigenous interceptor. originally, the rocaf listed the priority of the xf-6 behind the xa-3 lei ming attack aircraft, due to the believed high risks of the xf-6 project. the signing of the 1982 us-china joint communiquÃ© limited arms sales to taiwan. the united states refused to sell the general dynamics f-16 fighting falcon and the northrop f-20 tigershark (which had been developed largely to meet taiwanese national defense needs for an advanced jet figh
AIDC_aircraft Twinjets