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Kriegsmarine and U-Boat history

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Erich Topp's Red Devil
© S. Burbridge
Image courtesy of SubArt.net
U-Boat Operations
Major contributors to this section:
Commanders, Flotillas & Yards —  Fernando Almeida
Ships, General —  Werner Freitag
Ship Details —  David Rayner & Walter Janssens
Detail Consultant —  Horst Schmeisser
Patrols, Fates and Air Attacks —  Howard Cock

U-378Type VIIC
Feldpost NumberM 34 668
Construction YardHowaldtswerke AG, Kiel-Gaarden
Yard Number9
Ordered16th Oct 1939
Keel laid3rd May 1940
Launched13th Sep 1941
Commissioned30th Oct 1941
BaubelehrungBaubelehrung U-Boote Ostsee, Kiel /
Kriegsschiffbaulehrabteilung für Unterseeboote Ostsee, Kiel /
1.KLA, Kiel
Training, Flotillas and Duties
10.41 - 02.428.U-Flottille, Königsberg
Frontboot (operational)
03.42 - 06.423.U-Flottille, La Pallice
Frontboot (operational)
07.42 - 05.4311.U-Flottille, Bergen
Frontboot (operational)
05.43 - 10.433.U-Flottille, La Pallice
Frontboot (operational)
Commanders
10.41 - 06.42KL Alfred Hoschatt
06.42 - 09.42OL Peter Schrewe
see also: U-591 U-537 
09.42 - 09.42KL Alfred Hoschatt
10.42 - 10.43OL Erich Mäder

Operations information for U-378
11.03.1942 - 12.03.1942
First Sailing - active patrol
U-378 left Kiel under the command of Alfred Hoschatt on 11th Mar 1942 and arrived at Helgoland on 12th Mar 1942 after one day.
15.03.1942 - 01.04.1942
Second Sailing - active patrol
On the 15th Mar 1942, U-378 left Helgoland under the command of Alfred Hoschatt and after two and a half weeks arrived at Kirkenes on 1st Apr 1942.
07.04.1942 - 20.04.1942
Third Sailing - active patrol
U-378 departed under Alfred Hoschatt from Kirkenes on 7th Apr 1942 and arrived back at Kirkenes on 20th Apr 1942 after nearly two weeks on patrol.
29.04.1942 - 06.05.1942
Fourth Sailing - active patrol
U-378 left Kirkenes under the command of Alfred Hoschatt on 29th Apr 1942 and returned one week later to Kirkenes on 6th May 1942.
08.05.1942 - 12.05.1942
Fifth Sailing
On the 8th May 1942, U-378 left Kirkenes under the command of Alfred Hoschatt and arrived at Trondheim on 12th May 1942 after four days.
12.09.1942 - 26.09.1942
Sixth Sailing - active patrol
U-378 departed under Hans-Jürgen Zetzsche from Trondheim on 12th Sep 1942 and after two weeks arrived at Skjomenford on 26th Sep 1942.
17.10.1942 - 19.10.1942
Seventh Sailing
U-378 left Skjomenford under the command of Erich Mäder on 17th Oct 1942 and arrived at Trondheim on 19th Oct 1942 after two days.
07.11.1942 - 09.11.1942
Eighth Sailing - active patrol
On the 7th Nov 1942, U-378 left Trondheim under the command of Erich Mäder and after two days arrived at Skjomenford on 9th Nov 1942.
11.11.1942 - 12.12.1942
Ninth Sailing - active patrol
U-378 departed under Erich Mäder from Skjomenford on 11th Nov 1942 and arrived at Narvik on 12th Dec 1942 after four and a half weeks.
15.12.1942 - 17.12.1942
Tenth Sailing
U-378 left Narvik under the command of Erich Mäder on 15th Dec 1942 and after two days arrived at Trondheim on 17th Dec 1942.
07.03.1943 - 12.03.1943
Eleventh Sailing - active patrol
On the 7th Mar 1943, U-378 left Trondheim under the command of Erich Mäder and arrived at Hammerfest on 12th Mar 1943 after five days.
15.03.1943 - 01.04.1943
Twelfth Sailing - active patrol
U-378 departed under Erich Mäder from Hammerfest on 15th Mar 1943 and after two and a half weeks arrived at Trondheim on 1st Apr 1943.
12.04.1943 - 04.06.1943
Thirteenth Sailing - active patrol
U-378 left Trondheim under the command of Erich Mäder on 12th Apr 1943 and arrived at La Pallice on 4th Jun 1943 after seven and a half weeks.
On 16th Apr 1943 U-378 came under attack from an aircraft of RAF 1477 Squadron. U-378 was only slightly damaged in the attack.
On 31st May 1943 in square BF 44, U-378 came under attack from an aircraft of RAF 206 Squadron. The boat defended itself with flak without destroying the aircraft.
06.09.1943 - 20.10.1943
Fourteenth Sailing - active patrol
On the 6th Sep 1943, U-378 left La Pallice under the command of Erich Mäder. The boat was lost on 20th Oct 1943.
Erich Mäder hit one ship on this patrol from convoy SC-143.
  • On 8th Oct 1943 he sank the 1,920 ton Orkan, sailing with convoy SC-143.

Notes for U-378


We have 54 crew names for this boat. click here for crew names of U 378
You can perform other crew searches here. Note that the number of names we give possibly includes prior crew members.

You can discuss this boat or ask questions at the ubootwaffe.net forums

We have extra information on
1 relevant ship here:

ORKAN DD

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