The Dornier Do 17 was an aircraft designed by the German company Dornier in the 1930s. At the beginning of World War II, it was one of the most important bombers of the German Luftwaffe, along with the Junkers Ju 88 and the Heinkel He 111. The aircraft was popular with the Luftwaffe. It was seen as a strong, reliable and stable aircraft. It had no armor but was difficult to hit by anti-aircraft defenses due to its limited size. The four crew members sat together in a spacious cockpit and therefore had easy contact with each other.
The first Do-17C prototype was flown on November 23, 1934. Soon the prototype was given the type designation Do-17 V1. In May and September 1935, the first flights of the next two Do-17 V2 / V3 prototypes took place. From the very beginning, the Luftfahrtkommissariat showed great interest in the new design. The first prototype of the Do-17 V1 was built just for the needs of military aviation, while the next two were used as passenger planes. The military version of the plane had two hull bomb chambers located on the right side of its central part, which could hold five 50 kg bombs suspended vertically. The crew of the Do-17 V1 consisted of three people: the pilot sitting on the left side of the cabin, the navigator-bombardier and the shooter-radio operator sitting behind him. There were four small windows in both sides of the fuselage, providing the gunner with better visibility. Already at the beginning of 1936, mass production of the Do-17E-1 and F-1 versions was being prepared. Both versions were produced soon. The Do-17F-1 planes were deprived of sights and bomb launchers, but they were equipped with an additional fuel tank and three fixed-range cameras. In 1937, the Do-17E-2 and E-3 versions were also created, and then the Do-17F-2, which differed slightly from their predecessors in terms of equipment. A total of 536 Do-17 E and F planes were produced, including 268 at the parent plant, and the rest under license at other plants. From the beginning of 1937, these machines began to be used by Luftwaffe units. The most widely produced version was the Do-17Z model, which was made in the number of 872 copies. The plane performed well during the Spanish Civil War and the September Campaign. He also took part in the battles against France and the Battle of Britain in 1940. It suffered relatively high losses there, which meant that after 1940 it was successively replaced in line units by Ju-88 and He-111 bombers. The withdrawn Do-17 served primarily as glider tugs. Technical data (version Do-17Z): Maximum speed: 410 km / h, maximum ceiling 8200 m, radius of operation: 1010 km, armament: fixed - 6 MG15 machine guns caliber 7.92 mm, suspended - up to 1000 kg of bombs.
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