Patrol info for U-603
| Departure | Arrival / Fate | Duration | ||
| 5 May 1943 | Brest | 16 Jul 1943 | Brest | 73 days |
Commander | Officers * |
 Oblt. Rudolf Baltz |
WO Ltn. Karl-Heinz Schröter |
Daily positions, sinkings and allied attacks during the patrol of U-603
We have daily positions for all 73 days on this patrol.
Departure from Brest on 5 May 1943.
6 May 1943 - 7 May 1943 - 8 May 1943 - 9 May 1943 - 10 May 1943 - 11 May 1943 - 12 May 1943 - 13 May 1943 - 14 May 1943 - 15 May 1943 - 16 May 1943 - 17 May 1943 - 18 May 1943 - 19 May 1943 - 20 May 1943 - 21 May 1943 - 22 May 1943 - 23 May 1943 - 24 May 1943 - 25 May 1943 - 26 May 1943 - 27 May 1943 - 28 May 1943 - 29 May 1943 - 30 May 1943 - 31 May 1943 - 1 Jun 1943 - 2 Jun 1943 - 3 Jun 1943 - 4 Jun 1943 - 5 Jun 1943 - 6 Jun 1943 - 7 Jun 1943 - 8 Jun 1943 - 9 Jun 1943 - 10 Jun 1943 - 11 Jun 1943 - 12 Jun 1943 - 13 Jun 1943 - 14 Jun 1943 - 15 Jun 1943 - 16 Jun 1943 - 17 Jun 1943 - 18 Jun 1943 - 19 Jun 1943 - 20 Jun 1943 - 21 Jun 1943 - 22 Jun 1943 - 23 Jun 1943 - 24 Jun 1943 - 25 Jun 1943 - 26 Jun 1943 - 27 Jun 1943 - 28 Jun 1943 - 29 Jun 1943 - 30 Jun 1943 - 1 Jul 1943 - 2 Jul 1943 - 3 Jul 1943 - 4 Jul 1943 - 5 Jul 1943 - 6 Jul 1943 - 7 Jul 1943 - 8 Jul 1943 - 9 Jul 1943 - 10 Jul 1943 - 11 Jul 1943 - 12 Jul 1943 - 13 Jul 1943 - 14 Jul 1943 - 15 Jul 1943 -
Arrival at Brest on 16 Jul 1943.
Wolfpack operations during this patrol
U-603 operated with the following Wolfpacks during this patrol
Oder (17 May 1943 - 19 May 1943)
Mosel (19 May 1943 - 24 May 1943)
Trutz (1 Jun 1943 - 16 Jun 1943)
Trutz 2 (16 Jun 1943 - 29 Jun 1943)
Geier 1 (30 Jun 1943 - 14 Jul 1943)
Ships hit by U-603 during this patrol
| Date | U-boat | Commander | Name of ship | Tons | Nat. | Convoy | Map | ||
|---|---|---|---|---|---|---|---|---|---|
| 12 May 1943 | U-603 | Rudolf Baltz |  | Brand | 4,819 |  | nw | HX-237 | A |
| 4,819 | |||||||||
1 ship sunk (4,819 tons). Legend | |||||||||
General Events during this patrol
We have no events listed for this patrol.
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Attacks on U-603 during this patrol
8 Jul 1943
An attack by a British Catalina flying boat (202 Sqn RAF, pilot G. Powell) left the boat with minor damage. (Sources: Blair, vol 2, page 345)
About this data
If you believe we have missed an attack on a German U-boat in this listing please let us know.
See all patrols for U-603
* These are officers that later became commanders themselves.