U-4
Type | IIA | |||||||||||||||||||||||||||
| Ordered | 2 Feb, 1935 | |||||||||||||||||||||||||||
| Laid down | 11 Feb, 1935 | Deutsche Werke, Kiel (werk 239) | ||||||||||||||||||||||||||
| Launched | 31 Jul, 1935 | |||||||||||||||||||||||||||
| Commissioned | 17 Aug, 1935 | Oblt. Hannes Weingärtner | ||||||||||||||||||||||||||
| Commanders |
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| Career | 4 patrols | 1 Aug, 1935 - 1 Sep, 1939 U-Bootschulflottille (school boat) 1 Sep, 1939 - 1 Oct, 1939 U-Bootschulflottille (front boat) 1 Oct, 1939 - 1 Feb, 1940 U-Bootschulflottille (school boat) 1 Mar, 1940 - 1 Apr, 1940 U-Bootschulflottille (front boat) 1 May, 1940 - 30 Jun, 1940 U-Bootschulflottille (school boat) 1 Jul, 1940 - 31 Jul, 1944 21. Flottille (school boat) | ||||||||||||||||||||||||||
| Successes | 3 ships sunk for a total of 5.133 GRT 1 warship sunk for a total of 1.090 tons | |||||||||||||||||||||||||||
| Fate | Stricken 1 Aug, 1944 at Gotenhafen (Gdynia, Poland). Scrapped in 1945. | |||||||||||||||||||||||||||
See the 4 ships hit by U-4 - View the 4 war patrols
Men lost from U-boats
Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-4 did not suffer any casualties (we know of) until the time of her loss.
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There was another U-4 in World War One
That boat was launched from its shipyard on 18 May, 1909 and commissioned into the Imperial Navy on 1 Jul, 1909. The Naval war in WWI was brought to an end with the Armistice signed on 11 Nov, 1918. Read about the U 4 during WWI.

