|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|
|Successes||3 ships sunk, total tonnage 19,325 GRT|
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.
U-664 operated with the following Wolfpacks during its career:
Raufbold (11 Dec 1942 - 22 Dec 1942)
Spitz (22 Dec 1942 - 31 Dec 1942)
Sturmbock (21 Feb 1943 - 26 Feb 1943)
Wildfang (26 Feb 1943 - 5 Mar 1943)
Raubgraf (7 Mar 1943 - 20 Mar 1943)
Without name (5 May 1943 - 10 May 1943)
Lech (10 May 1943 - 15 May 1943)
Donau 2 (15 May 1943 - 26 May 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 damage 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 damage. (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.
We have 2 emblem entry for this boat! See the emblem page for this boat or view each one below.