|Ordered||2 Feb 1935|
|Laid down||11 Apr 1936||F. Krupp Germaniawerft AG, Kiel (werk 553)|
|Launched||28 Aug 1936|
|Commissioned||24 Sep 1936|
|Successes||7 ships sunk, total tonnage 11,179 GRT|
2 warships sunk, total tonnage 1,410 tons
1 auxiliary warship damaged, total tonnage 1,005 GRT
1 warship damaged, total tonnage 56 tons
3 ships a total loss, total tonnage 18,199 GRT
Scuttled at 2210hrs on 10 Sept, 1944 off the coast of Turkey in the Black Sea in position 41.11N, 30.00E.
Attacks on this boat
14 Oct 1939
The British submarine HMS Sturgeon (Lt. G.D.A. Gregory, RN) fired three torpedoes at U-23 in the Skagerrak some 20 nautical miles west-north-west of Skagen, Denmark in position 57º49N, 09º59E. All three missed their target.
1 recorded attack on this boat.
General notes on this boat
Men lost from U-boats
Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-23 did not suffer any casualties (we know of) until the time of her loss.
We have 2 emblem entry for this boat! See the emblem page for this boat or view each one below.
There was another U-23 in World War One
That boat was launched from its shipyard on 12 Apr 1912 and commissioned into the Imperial Navy on 11 Sep 1913. The Naval war in WWI was brought to an end with the Armistice signed on 11 Nov, 1918. Read about the U 23 during WWI.