er the civil war, but utilized parts, particularly the undercarriages, from the production line set up to manufacture the Fokker D. XXI.Junkers Ju 88aAlthough in development during the Spanish Civil War, no tests of the Ju 88 seem to have been carried out in Spain, although some a models were delivered during WWII.Koolhoven FK 52The FK-52 fighter was apparently produced to a Spanish Republican ord