The J-2/J-4 is non-existent. The first domestically produced aircraft in China was the J-5 (which sounds like ‘nothing’ in Chinese, meaning ‘from nothing to nothing’), and the aircraft will retain its original code name. Only domestically produced aircraft will receive the Chinese code name
The modern classification of military aircraft was introduced in 1964…
2.For some reason unknown to me, they began the classification of licensed and own production with the number 5…H-5/J-5/Q-5/Z5/CJ-5…
3.The original name of the MiG-17F(J-5) 歼击机-5/Jianjiji-5 is Dongfeng-101 - (DF-101/Type 56)…