Based on the earlier C R 32 which obtained remarkable results during the Spanish War the C R 42 was made entirely of metal & had a A 74 engine of 840 HP 200 specimens denominated Falco were ordered immediately by the Aeronautics division & were used during the initial phases of the Second World War It was also very successful commercially speaking & was indeed exported to Sweden Belgium & Hungary The lack of valid monoplanes extended the period of service of the C R 42 s in the line-ups of the Aeronautics division through to Armistice Day Following the 8th September 1943 production continued for Luftwaffe who also used it widely as a night fighter The total production exceeded 1 500