Two QRA Mig´s in flyby with open undercarriages during "Tango scramble" at Prerov open day 2005. Leader is Mig-21MFN 4175 (c/n 96004175) with modernized navigation equipment. Wingman (5512) is last "classic" Mig-21MF in duty. Both Mig´s served in 211. tl.