Constructed as a 1.131E by Construcciones Aeronauticas S.A. (CASA) at Cadiz, Spain.
Taken on Strength/Charge with the Ejercito de Aire with s/n E.3B-487.
Piaggio FWP.149D s/n 020 entered service with Luftwaffe as DB394 with JBG32 (Jagdbombergeschwader 32) at Lechfeld on 12 July 1958. In service with the Luftwaffe the aircraft was re-serialed AC+443; DF+392 and 90+11.