List of all U-boats

U-639

Type

VIIC

Ordered

20 Jan 1941

Laid down

31 Oct 1941

Blohm & Voss, Hamburg (werk 615)

Launched

22 Jul 1942

Commissioned

10 Sep 1942

Oblt. Walter Wichmann

Commanders

10 Sep 1942

28 Aug 1943

Oblt. Walter Wichmann

Career
4 patrols

10 Sep 1942	-	31 Mar 1943	5. Flottille (training)
1 Apr 1943	-	31 May 1943	11. Flottille (active service)
1 Jun 1943	-	28 Aug 1943	13. Flottille (active service)

Successes

No ships sunk or damaged

Fate

Sunk at 1051hrs on 28 August 1943 in the Kara Sea north-east of Mys Zhelaniya, in position 76.40N, 69.40E, by torpedoes from the Soviet submarine S-101. 47 dead (all hands lost).

Loss position

View the 4 war patrols

Wolfpack operations

U-639 operated with the following Wolfpacks during its career:
Eisbär (27 Mar 1943 - 15 Apr 1943)

Men lost from U-boats

Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-639 did not suffer any casualties (we know of) until the time of her loss.