Chinese Shenyang J31 Shen Fei (Falcon Eagle) Fifth Generation Stealth Fighter Jet has been spotted for the first time in 2014. J-31 fighter aircraft is a company (Shenyang Aircraft Corporation) funded project which will need serious interest from People's Liberation Army Air Force (PLAAF), People's Liberation Army Naval Air Force (PLANAF) or an export customer like Pakistan to go beyond prototype stage.