U-403

Type

VIIC

 
Ordered23 Sep 1939
Laid down20 May 1940 Danziger Werft AG, Danzig (werk 104)
Launched26 Feb 1941
Commissioned25 Jun 1941Oblt. Heinz-Ehlert Clausen
Commanders
25 Jun 1941 - 15 Jun 1943  Kptlt. Heinz-Ehlert Clausen
16 Jun 1943 - 18 Aug 1943  Kptlt. Karl-Franz Heine
Career
8 patrols
25 Jun 1941-31 Aug 1941  5. Flottille (training)
1 Sep 1941-30 Jun 1942  7. Flottille (front boat)
1 Jul 1942-28 Feb 1943  11. Flottille (front boat)
1 Mar 1943-18 Aug 1943  9. Flottille (front boat)
Successes2 ships sunk for a total of 12,946 GRT
Fate

Sunk 18 Aug, 1943 in the mid-Atlantic near Dakar, in position 13.42N, 17.36W, by depth charges from a French Wellington aircraft (Sqdn. 344/HZ697). 49 dead (all hands lost).

See the 2 ships hit by U-403 - View the 8 war patrols

Previously recorded fate
(Last revised by FDS/NHB during June 1993. More on revised fates.)

Sunk 18 Aug, 1943 in the mid-Atlantic near Dakar, in position 14.11N, 17.40W, by depth charges from a British Hudson aircraft (Sqdn. 200/O).

This attack was also against the U-403 without inflicting heavy damages.

Wolfpack operations

U-403 operated with the following Wolfpacks during its career:
   Aufnahme (7 Mar 1942 - 11 Mar 1942)
   Blücher (11 Mar 1942 - 18 Mar 1942)
   Bums (6 Apr 1942 - 14 Apr 1942)
   Blutrausch (15 Apr 1942 - 18 Apr 1942)
   Nebelkönig (7 Aug 1942 - 14 Aug 1942)
   Trägertod (12 Sep 1942 - 19 Sep 1942)
   Falke (15 Jan 1943 - 19 Jan 1943)
   Haudegen (19 Jan 1943 - 15 Feb 1943)
   Taifun (15 Feb 1943 - 20 Feb 1943)
   Amsel (26 Apr 1943 - 3 May 1943)
   Amsel 4 (3 May 1943 - 6 May 1943)
   Rhein (7 May 1943 - 10 May 1943)

Attacks on this boat

6 Feb 1943
The boat was strafed and attacked with 6 bombs by a Canadian Canso aircraft (RCAF Sqdn 5) off Newfoundland and recieved moderate damages. (Sources: Rohwer)

10 May 1943
At 18.41 hours, the boat was strafed and attacked with 2 bombs by a British Swordfish aircraft (FAA Sqdn 811 / M) from HMS Biter (D 97), escorting the convoy HX-237. No damages. (Sources: Rohwer)

30 Jul 1943
The boat was on the surface with the U-43 when Wildcat and Avenger aircraft from the escort carrier HMS Santee attacked the boats. Both dived and U-403 was attacked by two depth charges while the U-43 was attacked by a Fido homing torpedo. U-403 escaped but U-43 did not, being lost with all 55 hands. (Sources: Blair, vol 2, page 397)

18 Aug 1943
An attack on 18 Aug, 1943 in the mid-Atlantic near Dakar, in position 14.11N, 17.40W, by depth charges from a British Hudson aircraft (Sqdn. 200/O) was believed to have sunk the U-403 but resulted only in minor damages.

The boat was sunk later that same day in another attack.

(Sources: 1993-06-01, FDS/NHB)

4 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-403 did not suffer any casualties (we know of) until the time of her loss.


We have an emblem for this boat!

You can view it here. (The emblem on the left is not the emblem for this boat).



U-Boat Operations of the Second World War - Vol 2

Wynn, Kenneth


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Books dealing with this subject include:

German U-Boat Losses During World War II. Niestle, Axel, 1998.
Hitler's U-boat War. Blair, Clay, 1996.
Hitler's U-boat War, Vol II. Blair, Clay, 1998.
U-Boat Operations of the Second World War - Vol 1. Wynn, Kenneth, 1998.
U-Boat Operations of the Second World War - Vol 2. Wynn, Kenneth, 1998.