Two J-20 prototypes seen on test flights in Chengdu

Two prototypes of China's J-20 stealth fighter were photographed carrying out test flights in Chengdu recently, reports the Shanghai-based Guancha Syndicate.

The prototypes, 2013, 2015, are said to be installed with new avionics developed by Aviation Industry Corporation of China's Chengdu Aircraft Industry Group.

Its chief designer Pu Xiaobo said the system he created has an open framework that builds on an unified optical interconnect module.

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