U-boat[1]
|
Type[2]
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Patrol[3]
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Sailed from[3]
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Gruppe Specht[3]
|
Gruppe Amsel[3]
|
Gruppe Star[4]
|
Gruppe Amsel I[5]
|
Gruppe Amsel II[5]
|
Gruppe Fink[1]
|
Notes
|
U-107
|
IXB
|
9th
|
Lorient 24 April
|
|
|
|
3 May
|
|
|
attacked by convoy escort 6 May;[6] returned to Lorient 26 May
|
U-125
|
IXC
|
7th
|
Lorient 13 April
|
19 April
|
|
|
|
|
4 May
|
torpedoed one ship 4 May; sunk by convoy escort 6 May[7]
|
U-168
|
IXC40
|
1st
|
Kiel 9 March
|
19 April
|
|
|
|
|
4 May
|
shadowed convoy 5 May;[8] returned to Lorient 18 May
|
U-192
|
IXC40
|
1st
|
Kiel 13 April
|
|
|
27 April
|
|
|
4 May
|
sunk by convoy escort 6 May[9]
|
U-209
|
VIIC
|
7th
|
Kiel 6 April
|
|
|
27 April
|
|
|
4 May
|
damaged by bomber 1800 4 May; and sank about 7 May[10]
|
U-223
|
VIIC
|
2nd
|
Saint-Nazaire 15 April
|
|
22 April
|
|
|
3 May
|
|
lightly damaged by convoy escort 5 May;[11] returned to Saint-Nazaire 24 May
|
U-226
|
VIIC
|
2nd
|
Lorient 10 April
|
19 April
|
|
|
|
|
4 May
|
lightly damaged by convoy escort;[12] returned to Saint-Nazaire 17 May
|
U-231
|
VIIC
|
1st
|
Kiel 13 April
|
|
|
27 April
|
|
|
4 May
|
attacked by convoy escort 5 May;[11] returned to La Pallice 31 May
|
U-258
|
VIIC
|
4th
|
La Pallice 1 April
|
|
|
27 April
|
|
|
4 May
|
torpedoed one ship 0730 29 April;[13] sunk by bomber 20 May[3]
|
U-260
|
VIIC
|
3rd
|
Saint-Nazaire 12 March
|
19 April
|
|
|
|
|
4 May
|
attacked by convoy escort 5 May;[14] returned to Saint-Nazaire 22 May
|
U-264
|
VIIC
|
3rd
|
Saint-Nazaire 8 April
|
19 April
|
|
|
|
|
4 May
|
torpedoed three ships on 5 May;[15] returned to Lorient 1 June
|
U-266
|
VIIC
|
2nd
|
Saint-Nazaire 14 April
|
|
22 April
|
|
|
3 May
|
|
torpedoed three ships and lightly damaged by convoy escort 5 May; sunk by bomber 15 May[16]
|
U-267
|
VIIC
|
2nd
|
Saint-Nazaire 23 March
|
|
|
|
|
|
|
lightly damaged by convoy escort;[12] returned to Saint-Nazaire 21 May
|
U-270
|
VIIC
|
1st
|
Kiel 23 March
|
19 April
|
|
|
|
|
4 May
|
heavily damaged by convoy escort 5 May;[17] returned to Saint-Nazaire 15 May
|
U-358
|
VIIC
|
2nd
|
Saint-Nazaire 11 April
|
19 April
|
|
|
|
|
4 May
|
torpedoed two ships on 5 May[15] and heavily damaged by convoy escort;[18] returned to Saint-Nazaire 15 May
|
U-377
|
VIIC
|
9th
|
Brest 15 April
|
|
22 April
|
|
|
3 May
|
|
returned to Brest 7 June
|
U-378
|
VIIC
|
7th
|
Trondheim 12 April
|
|
|
27 April
|
|
|
4 May
|
shadowed convoy 28 April[15] and 5 May;[8] returned to La Pallice 4 June
|
U-381
|
VIIC
|
3rd
|
Saint-Nazaire 31 March
|
|
|
27 April
|
|
|
4 May
|
shadowed convoy 30 April;[15] sunk 21 May
|
U-383
|
VIIC
|
3rd
|
Brest 17 April
|
|
22 April
|
|
|
3 May
|
|
returned to Brest 25 May
|
U-386
|
VIIC
|
1st
|
Kiel 15 April
|
|
|
27 April
|
|
|
|
heavily damaged by convoy escorts 28/29 April;[19] returned to Saint-Nazaire 11 May
|
U-402
|
VIIC
|
7th
|
La Pallice 22 April
|
|
|
|
3 May
|
|
|
returned to La Pallice 26 May
|
U-413
|
VIIC
|
3rd
|
Brest 30 March
|
|
|
27 April
|
|
|
4 May
|
lightly damaged by convoy escort 5 May;[20] returned to Brest 13 June
|
U-438
|
VIIC
|
4th
|
Brest 31 March
|
19 April
|
|
|
|
|
4 May
|
damaged by bomber 2045 4 May; sunk by Support Group 1 on 6 May[21]
|
U-504
|
IXC
|
6th
|
Lorient 21 April
|
|
|
|
3 May
|
|
|
returned to Bordeaux 29 May
|
U-514
|
IXC
|
3rd
|
Lorient 15 April
|
19 April
|
|
|
|
|
4 May
|
lightly damaged by convoy escort 5 May;[22] returned to Lorient 22 May
|
U-528
|
IXC40
|
1st
|
Kiel 15 April
|
|
|
27 April
|
|
|
|
heavily damaged by convoy escorts 28/29 April; sunk by bomber 11 May[19]
|
U-531
|
IXC40
|
1st
|
Kiel 13 April
|
|
|
27 April
|
|
|
4 May
|
sunk by convoy escort 5 May[23]
|
U-532
|
IXC40
|
1st
|
Kiel 25 March
|
|
|
27 April
|
|
|
|
heavily damaged by convoy escorts 29 April;[24] returned to Lorient 15 May
|
U-533
|
IXC40
|
1st
|
Kiel 15 April
|
|
|
27 April
|
|
|
4 May
|
lightly damaged by convoy escort 6 May;[25] returned Lorient 24 May
|
U-552
|
VIIC
|
12th
|
Saint-Nazaire 4 April
|
|
|
27 April
|
|
|
4 May
|
returned to Saint-Nazaire 13 June
|
U-575
|
VIIC
|
8th
|
Saint-Nazaire 22 April
|
|
|
|
3 May
|
|
|
lightly damaged by convoy escort 5 May;[26] returned to Saint-Nazaire 11 June
|
U-584
|
VIIC
|
9th
|
Brest 23 March
|
19 April
|
|
|
|
|
4 May
|
torpedoed one ship 5 May;[18] returned to Brest 24 May
|
U-614
|
VIIC
|
2nd
|
Saint-Nazaire 12 April
|
19 April
|
|
|
|
|
4 May
|
returned to Saint-Nazaire 24 May
|
U-621
|
VIIC
|
4th
|
Brest 22 April
|
|
|
|
3 May
|
|
|
attacked by convoy escort 5 May;[11] returned to Brest 3 June
|
U-628
|
VIIC
|
3rd
|
Brest 8 April
|
19 April
|
|
|
|
|
4 May
|
torpedoed two ships on 5 May;[15] returned to Brest 19 May
|
U-630
|
VIIC
|
1st
|
Kiel 18 March
|
19 April
|
|
|
|
|
4 May
|
sunk by convoy escort 6 May[27]
|
U-634
|
VIIC
|
2nd
|
Lorient 15 April
|
|
22 April
|
|
|
3 May
|
|
lightly damaged by convoy escort 5 May;[11] returned to Brest 23 May
|
U-638
|
VIIC
|
2nd
|
La Pallice 20 April
|
|
|
|
3 May
|
|
|
torpedoed one ship and sunk by convoy escort 5 May[28]
|
U-648
|
VIIC
|
1st
|
Kiel 3 April
|
|
|
27 April
|
|
|
4 May
|
heavily damaged by convoy escort 5 May;[29] returned to Brest 19 May
|
U-650
|
VIIC
|
1st
|
Bergen 10 April
|
|
|
27 April
|
|
|
4 May
|
found convoy 0900 28 April;[30] launched torpedoes 28 April;[15] damaged by 1st Support Group 6 May;[12] returned to Saint-Nazaire 28 June
|
U-662
|
VIIC
|
3rd
|
Saint-Nazaire 23 March
|
19 April
|
|
|
|
|
4 May
|
attacked by convoy escort 5 May;[31] returned to Saint-Nazaire 19 May
|
U-707
|
VIIC
|
2nd
|
Saint-Nazaire 12 April
|
19 April
|
|
|
|
|
4 May
|
torpedoed one ship 5 May and damaged by convoy escort;[32] returned to Bordeaux 31 May
|
U-710
|
VIIC
|
1st
|
Kiel 15 April
|
|
|
|
|
|
|
sunk by bomber 1730 24 April[33]
|
U-732
|
VIIC
|
1st
|
Kiel 8 April
|
19 April
|
|
|
|
|
4 May
|
heavily damaged by convoy escort 5 May;[31] returned to Brest 15 May
|
U-952
|
VIIC
|
1st
|
Bergen 22 April
|
|
|
|
|
|
|
returned to Bordeaux 31 May
|
U-954
|
VIIC
|
1st
|
Kiel 8 April
|
|
|
27 April
|
|
|
4 May
|
attacked by convoy escort 6 May;[34] sunk 19 May while attacking convoy SC 130[3]
|