In 2010, the think tank of the air force of the Republic of Iskandar analyzed that the five generation military aircraft of the air force of the Republic of Iskandar will lag behind the world in 2022. Therefore, the military entrusted the S.A.Fadvanced aviation Laboratory of L.T.E.aerospace group to develop a new generation fighter for the air force of the Republic of Iskandar, and the finished product is this heavy fighter called ifa-104 "Chunyan".The ifa-104 "Chunyan" fighter plane completed the theoretical design in 2013, the paper design in 2015, the first verification aircraft offline in 2019, and the first ifa-104 delivered to the air force in March 2026. In the subsequent delivery evaluation, Iskandar air force praised the cool and advanced Chunyan, which cost US $110393000 and its cost performance ratio once exceeded many five generation fighters of the same price level