|Ordered||5 Jun 1941|
|Laid down||15 May 1942||AG Weser, Bremen (werk 1065)|
|Launched||2 Mar 1943|
|Commissioned||8 Jul 1943||Kptlt. Johann Jebsen|
|Successes||3 ships sunk, total tonnage 20,853 GRT|
Attacks on this boat and other events
5 Jul 1944
One man was killed and three wounded, when the boat was attacked by a Catalina (RAF 262 Sqd/L) in the Indian Ocean. [Matrosenobergefreiter Hans Boldt]
1 recorded attack 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-859 did not suffer any casualties (we know of) until the time of her loss.