|Ordered||17 Dec 1940|
|Laid down||1 Oct 1941||Nordseewerke, Emden (werk 212)|
|Launched||20 Aug 1942|
|Commissioned||16 Oct 1942||Oblt. Hans-Joachim Klaus|
|Successes||No ships sunk or damaged|
Scuttled at 0430hrs on 2 Nov 1943 a few miles southwest of Punta Almina on the coast of Spanish Morocco, in position 35.49N, 05.14W, after sustaining damage from depth charges from the British sloop HMS Fleetwood, the British destroyers HMS Active and HMS Witherington and a British Wellington aircraft (Sqdn. 179/R). 1 dead and 48 survivors.
Previously recorded fate
Attacks on this boat and other events
25 Aug 1943
U-340 rescued 5 Luftwaffe airmen off Spain on 25 August. Shortly afterwards the boat was attacked by an aircraft and a few men were wounded, the boat being damaged.
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-340 did not suffer any casualties (we know of) until the time of her loss.