22542 is a fake serial, it really is Czechoslavkian Air Force 0313. It is a MiG-21F-13 built under licence by Aero as a S-106. It was taken on charge in 1965. After the end of its operational life, it went to the Letecké Muzeum Kbely where it was first noted in 1990. By Oct-2016 it was noted in Slovenia in the Park Vojaške Zgodovine (Park of Military History) in Pivka.