U-boat Kriegstagebücher (KTB)

        This project is a collaborative effort.  The records were made available by others and the work to translate and prepare them for presentation on the web was performed by a very talented team.  The administrator is deeply grateful to the following individuals who have contributed their time and expertise to this project.
        KTBs were made available by German U-boat historians Rainer Busch and Roland Berr.  Rainer is the author of German U-Boat Commanders of World War II.
        Translation of the initial KTBs was done by Uboat.net crew member Ranier Kolbicz of Switzerland with editing and assistance by United States U-boat researcher Ken Dunn.  Other contributors include Christine Hillmann of Brazil, retired Fregattenkapitän Jürgen Meyer-Brenkhof, Jan Kockrow and Andi Forster from Germany, Harald Jazdziewski, a native German who now lives in the United States and Robert Derencin from Croatia.


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U-boat
CO
Covering Period
Operation/Significant Events
UA
Hans Eckermann
21 OCT  41 - 25 DEC 41
5th patrol - South Atlantic/ Python survivor rescue
U-13
Karl Daublebsky von Eichhain
2 SEP 39 - 6 SEP 39
2nd patrol - Mining mission off the SE coast of England
U-18
Max-Hermann Bauer
30 AUG 39 - 7 SEP 39
1st patrol - Baltic/beginning of the war
U-20
Kral Grafen
1 JAN 44 - 26 JAN 44
14th patrol - Black Sea
U-26
Klaus Ewerth
22 OCT 39 - 5 DEC 39
2nd Patrol/Gibraltar
U-37
Werner Hartmann
5 OCT  39 - 8 NOV 39
2nd patrol - North Atlantic/ Wolfpack Commander
U-47
Günther Prien
8 OCT  39 - 17 OCT 39
2nd patrol - Scapa Flow raid
U-66
Friedrich Markworth
23 JUN 42- 29 SEP 42
6th patrol - Caribbean
U-66
Friedrich Markworth
7 APR 43 - 1 SEP 43
9th patrol - US East Coast
U-69
Jost Metzler
5 MAY 41 - 8 JUL 41
3rd patrol - West Africa - Robin Moor sinking
U-74
Eitel-Friedrich Kentrat
8 MAY 41 - 30 MAY 41
2nd Patrol - North Atlantic/ Bismarck rescue operation
U-83
Hans-Werner Kraus
6 AUG 42 - 20 AUG 42
9th patrol - Eastern Mediterranean
U-96
Lehmann-Willenbrock
30 JAN 41 - 28 FEB 41

3rd patrol - North Atlantic

U-96
Lehmann-Willenbrock
27 OCT 41 - 6 Dec 41

7th patrol - North Atlantic/Oak Leaves patrol (basis of Gunther Buchheim's novel Das Boot)

U-100
Joachim Schepke
11 SEP 40 - 25 SEP 40

2nd patrol - North Atlantic/7 ships were sunk in three hours from convoy HX-72

U-103
Viktor Schütze
21 SEP 40 - 19 OCT 40

1st patrol - North Atlantic - laid a weather buoy

U-106
Jürgen Oesten
26 FEB 41 - 17 JUN 41

2nd patrol - Central and South Atlantic - damaged battleship HMS Malaya

U-107
Harald Gelhaus
21 APR 42 - 11 JUL 42

6th patrol - Caribbean/US East Coast

U-109
Heinrich Bleichrodt
27 DEC 41 - 23 FEB 42

4th patrol - Operation Drumbeat patrol to Canadian and American waters

U-118
Werner Czygan
25 JAN 43 - 26 FEB 43

3rd patrol - North Atlantic- mining operation Strait of Gibraltar and supply operations

U-123
Reinhard Hardegen
23 NOV 41 - 9 FEB 42

7th patrol - Operation Drumbeat patrol to the US East Coast

U-123
Reinhard Hardegen
2 MAR 42 - 2 MAY 42
8th patrol - Hardegen's second patrol to the US East Coast
U-123
Horst von Schroeter
5 DEC 42 - 6 FEB 43
9th patrol - North Atlantic - weather reporting
U-130
Ernst Kals
27 DEC 41 - 25 FEB 42
2nd patrol - Operation Drumbeat patrol to the US East Coast
U-138
Wolfgang Lüth
10 SEP 40 - 26 SEP 40
1st patrol - English waters
U-154
Oskar-Heinz Kusch
20 MAR 43 - 6 JUL 43
5th patrol - South Atlantic/Brazilian waters
U-156
Werner Hartenstein
20 AUG 42 - 16 NOV 42
4th patrol - South Atlantic/ LACONIA Incident
U-160
Georg Lassen
23 SEP 42 - 9 DEC 42
3rd patrol - Caribbean
U-160
Georg Lassen
6 JAN 43 - 10 MAY 43
4th patrol - South Atlantic/Indian Ocean
U-160
Gerd von Pommer-Esche
29 JUN 43 - 14 JUL 43
5th patrol - North Atlantic - Boat lost - BdU Reconstruction
U-164
Otto Fechner
18 JUL 42 - 7 OCT 42
1st patrol - Caribbean
U-164
Otto Fechner
29 NOV 42 - 6 JAN 43
2nd patrol - Caribbean - Boat Lost - BdU Reconstruction
U-172
Carl Emmernann
29 MAY 43 - 7 SEP 43

5th patrol - South Atlantic/Brazilian waters - returned with survivors of U-604

U-177
Robert Gysae
1 APR 43 - 1 OCT 43

2nd patrol - Indian Ocean - Fa-330 Operations

U-186
Siegfried Hesemann
31 DEC 42 - 5 MAR 43

1st patrol - North Atlantic

U-190
Max Wintermeyer
20 FEB 43 - 30 MAR 43

1st patrol - North Atlantic

U-190
Hans-Erwin Reith
17 AUG 44 - 4 OCT 44

5th patrol - Lorient to home waters

U-196
Eitel-Friedrich Kentrat
13 MAR 43 - 23 OCT 43

1st patrol - Indian Ocean

U-202
Hans-Heinz Linder
27 MAY 42 - 25 JUL 42

6th patrol - US East Coast - Saboteur landing

U-204
Walter Kell
27 MAY 41 - 27 JUN 41

1st patrol - North Atlantic

U-205
Franz-Georg Reschke
3 NOV 41 - 10 DEC 41

3rd patrol - Mediterranean

U-307
Friedrich-Georg Herrle
4 AUG 44 - 23 AUG 44

8th patrol - Arctic - Operation Schneehuhn - commando operation on Spitzbergen

U-307
Friedrich-Georg Herrle
9 SEP 44 - 7 OCT 44

9th patrol - Arctic - support for manned weather station "Haudegen"

U-309
Hans-Gert Mahrholz
7 AUG 44 - 12 AUG 44

6th patrol - Transfer cruise Brest-La Pallice - Gunther Bucheim on board.

U-333
Peter Cremer
1 SEP 42 - 23 OCT 42

4th patrol - West African waters - attack by HMS Crocus

U-377
Otto Köhler
7 OCT 42 - 13 NOV 42

7th Patrol/Arctic - manned weather station Nußbaum on Spitzbergen

U-454
Burkhard Hackländer
25 DEC 41 - 20 JAN 42
1st patrol - Arctic - PQ-8
U-455
Hans-Heinrich Giessler
22 AUG 42 - 28 OCT 42
4th patrol - US East Coast/Mining Charleston
U-461
Wolf-Harro Stiebler
20 APR 43 - 30 MAY 43

5th patrol - North Atlantic

U-466
Gerhard Thäter
29 JUN 43 - 16 AUG 43

3rd patrol - South Atlantic - aborted after air attack

U-480
Hans-Joachim Förster
3 AUG 44 - 4 OCT 44
2nd patrol - English Channel/Alberich coated snorkel boat
U-482
Hartmut Graf von Matuschka, Freiherr von Toppolczan und Spaetgen
16 AUG 44 - 26 SEP 44
1st patrol - North Channel
U-505
Peter Zschech
04 OCT 42 - 12 DEC 42
4th patrol - Caribbean
U-507
Harro Schacht
04 APR 42 - 4 JUN 42
2nd patrol - US Gulf of Mexico
U-516
Gerhard Wiebe
12 AUG 42 - 14 NOV 42
1st patrol - Caribbean - deployed weather buoy
U-518
Friedrich-Wilhelm Wissmann
11 JAN 43 - 27 APR 43
2nd patrol - Brazilian waters
U-533
Helmut Hennig
15 APR 43 - 24 MAY 43
1st patrol - North Atlantic
U-533
Helmut Hennig
5 JUL 43 - 16 OCT 43
2nd patrol - Indian Ocean/Gulf of Oman - Boat lost - BdU Reconstruction
U-534
Herbert Nollau
25 AUG 44 - 24 OCT 44
2nd patrol - Bordeaux to home waters
U-537
Peter Schrewe
18 SEP 43 - 8 DEC 43
1st Patrol/Canadian waters - deployed land weather station
U-552
Erich Topp
25 OCT 41 - 26 NOV 41
6th patrol - North Atlantic/ Sinking of USS Reuben James
U-552
Erich Topp
7 MAR 42 - 27 APR 42
8th patrol - US East coast
U-552
Erich Topp
9 JUN 42 - 19 JUN 42
9th patrol - North Atlantic/ Operations against HG-84
U-562
Horst Hamm
11 SEP 41 - 15 OCT 41
3rd patrol - North Atlantic
U-604
Horst Höltring
4 AUG 42 - 8 SEP 42
1st patrol - North Atlantic
U-604
Horst Höltring
14 OCT 42 - 5 NOV 42
2nd patrol - North Atlantic/ Operations against SL-125
U-604
Horst Höltring
26 NOV 42 - 31 DEC 42
3rd patrol - North Atlantic
U-604
Horst Höltring
8 FEB 43 - 4 MAR 43
4th patrol - North Atlantic
U-609
Klaus Rudloff
6 OCT 42 - 22 OCT 42
2nd patrol - North Atlantic
U-615
Ralph Kapitzky
5 SEP - 30 OCT 42
1st patrol - North Atlantic
U-615
Ralph Kapitzky
25 NOV 42 - 9 JAN 43
2nd patrol - North Atlantic
U-615
Ralph Kapitzky
18 FEB 43 - 23 APR 43
3rd patrol - North Atlantic
U-615
Ralph Kapitzky
5 SEP 42 - 30 OCT 42
4th patrol - Caribbean - Reconstructed KTB
U-625
Hans Benker
4 NOV 42 - 29 NOV 42
1st patrol - Arctic
U-628
Heinrich Hasenschar
8 APR 43 - 19 MAY 43
3rd patrol - North Atlantic- Operations against ONS 5
U-703
Joachim Brünner
19 JUL 43 - 3 AUG 43
8th patrol - Arctic - deployed two automatic weather buoys
U-703
Joachim Brünner
17 AUG 43 - 9 OCT 43
9th patrol - Arctic - deployed an automatic land weather station
U-756
Klaus Harney
15 AUG 42 - 1 SEP 42
1st patrol - North Atlantic - Boat lost to escorts of SC-97 - BdU Reconstructed KTB
U-804
Herbert Meyer
19 JUN 44 - 12 OCT 44
1st patrol - North Atlantic - weather reporting
U-806
Klaus Hornbostel
30 OCT 44 - 21 FEB 45
1st patrol - Canadian waters
U-990
Hubert Nordheimer
22 MAY 44 - 25 MAY 44
4th patrol - Norwegian waters - Boat lost to air attack - BdU Reconstruction
U-995
Hans-Georg Hess
2 FEB 45 - 6 MAR 45
8th patrol - Soviet waters
U-1305
Helmuth Christiansen
4 APR 45 - 10 MAY 45
1st patrol - North Channel
KTB Notes