U-Boat Operations

U-664	Type VIIC
Feldpost Number	M 05 024
Construction Yard	Howaldtswerke AG, Hamburg
Yard Number	813
Ordered	15th Aug 1940
Keel laid	11th Jul 1941
Launched	28th Apr 1942
Commissioned	17th Jun 1942
Baubelehrung	Kriegsschiffbaulehrabteilung für Unterseeboote Nordsee, Bremen / 8.KLA, Hamburg
Training, Flotillas and Duties
06.42 - 10.42	8.U-Flottille, Danzig Ausbildungsboot (under training)
11.42 - 08.43	9.U-Flottille, Brest Frontboot (operational)
Commanders
06.42 - 08.43	OL Adolf Graef

Operations information for U-664
20.10.1942 - 10.11.1942 First Sailing - active patrol U-664 left Kiel under the command of Adolf Graef on 20th Oct 1942 and arrived at Brest on 10th Nov 1942 after three weeks.
05.12.1942 - 13.01.1943 Second Sailing - active patrol On the 5th Dec 1942, U-664 left Brest under the command of Adolf Graef and after five and a half weeks arrived at La Pallice on 13th Jan 1943. Adolf Graef hit one ship on this patrol from convoy ON-153. On 16th Dec 1942 he sank the Belgian 5,859 ton Emile Francqui, sailing with convoy ON-153.
14.02.1943 - 28.03.1943 Third Sailing - active patrol U-664 departed under Adolf Graef from La Pallice on 14th Feb 1943 and arrived at Lorient on 28th Mar 1943 after six weeks. Adolf Graef hit two ships on this patrol and both of them were in convoy, both of them were from convoy ONS-167. On 21st Feb 1943 he sank the American 4,659 ton Rosario, a member of convoy ONS-167. On 21st Feb 1943 he sank the Panamanian 8,807 ton HH Rogers, part of convoy ONS-167.
29.04.1943 - 09.06.1943 Fourth Sailing - active patrol U-664 left Lorient under the command of Adolf Graef on 29th Apr 1943 and after nearly six weeks arrived at Brest on 9th Jun 1943. At 0233 HRS on 2nd May 1943 in square BF 45, U-664 came under attack from an aircraft of RAAF 10 Squadron. The boat defended itself with flak without destroying the aircraft. At 0800 HRS on 2nd May 1943 in square BF 43, U-664 came under attack from an aircraft of RAAF 10 Squadron.
21.07.1943 - 09.08.1943 Fifth Sailing - active patrol On the 21st Jul 1943, U-664 left Brest under the command of Adolf Graef. U-664 was lost on 9th Aug 1943.

Notes for U-664

We have 16 crew names for this boat. click here for crew names of U 664
You can perform other crew searches here. Note that the number of names we give possibly includes prior crew members.

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We have extra information on
3 relevant ships here:

EMILE FRANCQUI

ROSARIO

H.H.ROGERS

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