The Bf 161 was a specialised reconnaissance aircraft, based on the Bf 110, and similar to the Bf 162, designed as a light bomber. The prototype V1 was powered by two Junkers Jumo 210 inline engines and first flew on 9 March 1938. It was followed by a second prototype, V2, powered by two Daimler-Benz DB 600a engines which first flew on 30 August 1938.