|Ordered||10 Apr 1941|
|Laid down||12 Jan 1942||Blohm & Voss, Hamburg (werk 625)|
|Launched||30 Sep 1942|
|Commissioned||19 Nov 1942||Oblt. Raimund Tiesler|
|Successes||No ships sunk or damaged|
Sank 24 Feb, 1943 in the Baltic Sea, in position 55.15N, 17.15E after a collision with U-232. 35 dead and 11 survivors.
Men lost from U-boats
Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-649 did not suffer any casualties (we know of) until the time of her loss.