U-664

Type

VIIC

Ordered

15 Aug 1940

Laid down

11 Jul 1941

Howaldtswerke Hamburg AG, Hamburg (werk 813)

Launched

28 Apr 1942

Commissioned

17 Jun 1942

Oblt. Adolf Graef

Commanders

17 Jun 1942 - 9 Aug 1943

Adolf Graef

Career

5 patrols

17 Jun 1942 - 31 Oct 1942 8. Flottille (training)
1 Nov 1942 - 9 Aug 1943 9. Flottille (front boat)

Successes

3 ships sunk for a total of 19,325 GRT

Fate

Sunk 9 Aug, 1943 in the North Atlantic, in position 40.12N, 37.29W, by depth charges from 2 Avenger aircraft (VC-1) of the US escort carrier USS Card. 7 dead and 44 survivors.

See the 3 ships hit by U-664 - View the 5 war patrols

Wolfpack operations

U-664 operated with the following Wolfpacks during its career:
   Raufbold (15 Dec 1942 - 22 Dec 1942)
   Spitz (24 Dec 1942 - 31 Dec 1942)
   Wildfang (25 Feb 1943 - 7 Mar 1943)
   Raubgraf (7 Mar 1943 - 20 Mar 1943)

Attacks on this boat

1 Nov 1942
An American Catalina aircraft (Sqdn VP 84 in Iceland, pilot R. C. Child) with depth charges causing severe damages and forcing the boat to abort to France. (Sources: Blair, vol 2, page 43.)

8 Aug 1943
The boat found the unalert escort-carrier USS Card in a darkness and attacked her with 3 torpedoes before the Americans noticed him and drove him under and attacked with depth charges causing no damages. (Sources: Blair, vol 2, page 385.)

2 recorded attacks 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-664 did not suffer any casualties (we know of) until the time of her loss.