|Ordered||5 Jun 1941|
|Laid down||15 Sep 1942||AG Weser, Bremen (werk 1069)|
|Launched||29 Jun 1943|
|Commissioned||3 Nov 1943||Kptlt. Dietrich von der Esch|
|Successes||No ships sunk or damaged|
Sunk 29 Sept, 1944 in the South Atlantic east-south-east of Recife, in position 10.45S, 25.30W, by depth charges from 2 US Liberator aircraft (VB-107/B-9). 69 dead (all hands lost).
Attacks on this boat
20 Jul 1944
A Norwegian Mosquito aircraft (Sqdn 333, pilot Rolf Leithe) attacked the boat with 57mm cannon fire and 2 depth charges. The boat suffered some damage and retreated to base for repairs, re-sailing on July 26. (Sources: Blair, vol 2, page 597)
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-863 did not suffer any casualties (we know of) until the time of her loss.