Patrol info for U-403
| Departure | Arrival / Fate | Duration | ||
| 19 Apr 1943 | Brest | 31 May 1943 | Brest | 43 days |
Commander | Officers * |
Kptlt. Heinz-Ehlert Clausen |
1WO Oblt. Ernst-Günther Unterhorst |
Daily positions, sinkings and allied attacks during the patrol of U-403
We have daily positions for all 43 days on this patrol.
Departure from Brest on 19 Apr 1943.
20 Apr 1943 - 21 Apr 1943 - 22 Apr 1943 - 23 Apr 1943 - 24 Apr 1943 - 25 Apr 1943 - 26 Apr 1943 - 27 Apr 1943 - 28 Apr 1943 - 29 Apr 1943 - 30 Apr 1943 - 1 May 1943 - 2 May 1943 - 3 May 1943 - 4 May 1943 - 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 -
Arrival at Brest on 31 May 1943.
Wolfpack operations during this patrol
U-403 operated with the following Wolfpacks during this patrol
Amsel (26 Apr 1943 - 3 May 1943)
Amsel 4 (3 May 1943 - 6 May 1943)
Rhein (7 May 1943 - 10 May 1943)
Ships hit by U-403 during this patrol
General Events during this patrol
1943
10 May 1943. The boat had a gunnery duel with the Dutch merchant ship Dexterous.
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Attacks on U-403 during this patrol
10 May 1943
18.41 hrs, mid Atlantic: a British Swordfish aircraft (FAA Sqdn 811/M) from HMS Biter (D 97), escorting convoy HX 237 strafed U-403 and dropped two bombs. No damage. (Sources: Rohwer)
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-403
* These are officers that later became commanders themselves.