The second prototype. First flight in August 1942. From September 1942 the aircraft intensively evaluated at Experimental Center (Centra Sperimentale) in Guidonia. Pilot - tenente colonello (Sub.Col.) Giuseppe Baylon, famous ace of Spanish Civil war. In 1943 he together with aircraft was transferred to Nucleo Allarme Caccia - temporary unit compiled with Experimental Center pilots. In Summer 1943 she aircraft crashed during landing. Pilot maggiore (Maj) Borzoni survived. Camouflage: uppersurfaces and sides - Verde Oliva Scuro 2 / Nicciola Chiaro 4, undersides - Grigio Azzuro Chiaro 1.