|Ordered||23 Dec 1939|
|Laid down||25 Mar 1941||Bremer Vulkan-Vegesacker Werft, Bremen-Vegesack (werk 24)|
|Launched||30 Dec 1941|
|Commissioned||18 Feb 1942||Oblt. Klaus Köpke|
|Successes||No ships sunk or damaged|
Sunk 15 Nov 1942 in the Mediterranean north of Algiers, in position 37.20N, 03.05E, by depth charges from British Hudson aircraft (Sqdn. 500/S). 48 dead (all hands lost).
Attacks on this boat and other events
15 Nov 1942
Aircraft attack, aircraft shot down:British Hudson bomber (500 Sqdn RAF/S, pilot F/O Mick A. Ensor)
One of the depth charges dropped by the aircaft exploded on contact with the boat, crippling the aircraft and forcing the crew to bail out. Only the pilot and one crewman were rescued by the British sloops HMS Erne and HMS Leith. U-259 was sunk.
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-259 did not suffer any casualties (we know of) until the time of her loss.