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.

The Do 24 flying boat was not initially selected for German use but on 12 April 1940 the V1 prototype, powered by Jumo diesel engines, was sent from Travemünde to Narvik with an urgent cargo of ammunition and medical supplies. The crew relied on an atlas sheet for navigation and reached their destination the next day after an adventurous flight. This quay still exists along Fagernesveien, Narvik. A torpedo had exploded under the jetty and destroyed the building on the right. Photo by: Gerd Böttger / Bundesarchiv