The Dornier Do 24 V1 prototype seen during trials. It was D-AIBE for some time and later Luftwaffe TJ-HR. This aircraft, powered by Jumo diesel engines, first flew on 10 January 1938 but it had been preceded by the Wright Cyclone-powered Do 24 V3 for the Netherlands.
This photo was added on 24 February 2019, and has since been viewed 772 times.