F2 Tiger acrobatic sportsplane, 1932 F5 acrobatic sportsplane + trainer, 1933 Fi 97, competition and touring monoplane, 1934 Fi 98, biplane fighter, 1936 Fi 99, sport aircraft, Fi 103 (V-1) Fi 103 Reichenberg, piloted version of V-1 Fi 156 Storch (Stork), STOL reconnaissance aircraft Fi 157, unmanned anti-aircraft target drone Fi 158, research aircraft Fi 166, vertical launched jet fighter Fi 167, ship-borne torpedo bomber and reconnaissance biplane Fi 168, ground-attack aircraft Fi 253, sport aircraft, Fi 333 transport (concept)