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Remembered Today:

U-boat KTBs


Michael Lowrey
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I have the Kriegstagebuch (KTB)(war diary) for many of the German submarines of WWI on microfilm and will be acquiring more shortly. If there is a question about the actions of a specific boat, please let me know.

Best wishes,

Michael

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egbert,

German submarines in both world wars used the same numbers. The U 73 that I have was the big WWI minelayer whose mines accounted for, among other vessels, HMS RUSSELL, HMS NASTURTIUM, the Russian battleship PERESVYET and the liner-turned-hospital ship BRITANNIC. You are obviously after the WWII U 73's KTB.

That said, the U.S. National Archives and Records Administration may well havethe WWII U 73's KTB from when Rosenbaum served as her CO. I do not have the guide that lists the WWII KTB availability and roll numbers. You might try asking about that at http://www.uboat.net/forum/list.php?f=3

Best wishes,

Michael

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  • 10 months later...
I have the Kriegstagebuch (KTB)(war diary) for many of the German submarines of WWI on microfilm and will be acquiring more shortly. If there is a question about the actions of a specific boat, please let me know.

What can you tell me about the actions of U1-4 ?

Deamon

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Deamon,

U 1 - 4 are on a roll I don't have (T 1022, roll 13). I do recall an order sheet in another boat's KTB for it and several of the boats you are interested in to do a one day defensive patrol in the waters around Kiel. Date (from memory) would be August or September 1914. I'll see what I can find.

Best wishes,

Michael

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Thank you. I'v heard that U1 did some patrols during the war in the east sea besides serving as a training boat. But i don't have any ditails on this patrols. I'm also curious whether U2-4 had some more actions in the war.

U1 is a special interest for me since i try to recreate it virtualy.

Looking forward to what you can finde.

regards

Deamon

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German submarines in both world wars used the same numbers. The U 73 that I have was the big WWI minelayer whose mines accounted for, among other vessels, HMS RUSSELL, HMS NASTURTIUM, the Russian battleship PERESVYET and the liner-turned-hospital ship BRITANNIC. You are obviously after the WWII U 73's KTB.

Hi Michael,

I would appreciate it very much if you could send me iformation regarding the operations of the U73 in the Kea Channel -where the Britannic sank. I have the map from the submarine's log book, indicating where they had laid the mine barrier responsible for Britannic's demise. I would be very interested to know their movements in October-November 1916. Is it possible to find how many mine barriers were laid by U73 during this time period?

By the way, it seems that the mine anchors of the mine barrier laid into Britannic's regular route may still be there. The latest diving expedition to the Britannic (September 2003) got sonar scan images with traces similar to mine anchors right where U73's log book indicates they were laid in 1916. For more info look here:

http://www.hospitalshipbritannic.com/the_enigma.htm

Best regards,

Michail

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Michaeil,

U 73's operations in the Med in 1916:

30-Mar-16 to 30-Apr-16, Transfer trip to Cattaro from Germany

16-Jul-16 to 14-Aug-16, Greek waters, mines off Saloniki, Orfano and Mudros

22-Oct-16 to 7-Nov-16, Greek waters, mines off Phlebes, Keos, and Mykonos

10-Dec-16 to 30-Dec-16, Eastern Mediterranean, mines off Port Said and Alexandria

U 73 then did not go on patrol again until September 1917.

Location of mines laid in the October 22 to November 7 1916 patrol:

10/27/16, 6 mines: 37°44.2'N, 23°45.6'E to 37°44.3'N, 23°45.8'E

10/27/16, 6 mines: 37°45.4'N, 23°47.9'E to 37°45.6'N, 23°48.5'E

10/28/16, 6 mines: 37°40.9'N, 24°17.9'E to 37°41.4'N, 24°17.6'E

10/28/16, 6 mines: 37°41.5'N, 24°17'E to 37°41.7'N, 24°16.8'E

10/29/16, 4 mines: 37°31.8'N, 25°15.6'E to 37°31.7'N, 25°15.8'E

10/29/16, 6 mines: 37°32.3'N, 25°12.2'E to 37°32.1'N, 25°15.4'E

Best wishes,

Michael

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Michaeil,

U 73's operations in the Med in 1916:

30-Mar-16 to 30-Apr-16, Transfer trip to Cattaro from Germany

16-Jul-16 to 14-Aug-16, Greek waters, mines off Saloniki, Orfano and Mudros

22-Oct-16 to 7-Nov-16, Greek waters, mines off Phlebes, Keos, and Mykonos

10-Dec-16 to 30-Dec-16, Eastern Mediterranean, mines off Port Said and Alexandria

U 73 then did not go on patrol again until September 1917.

Location of mines laid in the October 22 to November 7 1916 patrol:

10/27/16, 6 mines: 37°44.2'N, 23°45.6'E to 37°44.3'N, 23°45.8'E

10/27/16, 6 mines: 37°45.4'N, 23°47.9'E to 37°45.6'N, 23°48.5'E

10/28/16, 6 mines: 37°40.9'N, 24°17.9'E to 37°41.4'N, 24°17.6'E

10/28/16, 6 mines: 37°41.5'N, 24°17'E to 37°41.7'N, 24°16.8'E

10/29/16, 4 mines: 37°31.8'N, 25°15.6'E to 37°31.7'N, 25°15.8'E

10/29/16, 6 mines: 37°32.3'N, 25°12.2'E to 37°32.1'N, 25°15.4'E

Best wishes,

Michael

Hi Michael,

Many thanks for the info! Very interesting data.

Best regards,

Michail

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Thank you. I'v heard that U1 did some patrols during the war in the east sea besides serving as a training boat. But i don't have any ditails on this patrols. I'm also curious whether U2-4 had some more actions in the war.

OK, I found the reference. It was in U 32's KTB. She was ordered to sail on October 20, 1914 to conduct anti-submarine patrols in the Kiel area/western Baltic with UA, U 1, U 3, and U 4. U 32 and U 3 were ordered to return home on October 27; the other three boats had apparently returned home earlier. I have the assigned patrol coordinates if it would help.

Best wishes,

Michael

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OK, I found the reference. It was in U 32's KTB. She was ordered to sail on October 20, 1914 to conduct anti-submarine patrols in the Kiel area/western Baltic with UA, U 1, U 3, and U 4. U 32 and U 3 were ordered to return home on October 27; the other three boats had apparently returned home earlier. I have the assigned patrol coordinates if it would help.

Great, of course i would like to know the coordinates, anything you can give me. Tell me do the KTB's from U1,2,3,4 and UA exists as well ?

Do you know whether the KTB's of the british submarines are available too somewhere ?

Deamon

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Great, of course i would like to know the coordinates, anything you can give me. Tell me do the KTB's from U1,2,3,4 and UA exists as well ?

Do you know whether the KTB's of the british submarines are available too somewhere ?

From the top:

a.U 1: 117 and 139 gamma, U 3:086 and 078 gamma, U 4: 168 and 167 gamma, U 32: 088 and 089 gamma, U A: 083 and 084 gamma

b. The KTBs of U-boats survive. They are at Freiburg or you can order them on microfilm from the U.S. National Archives and Records Administration for $39 per microfilm roll ($34 in the U.S.). I do not have T-1022 roll 13, which contains the KTBs of U 1 through U 6 and very beginning of U 24. I do have but haven't really worked through the roll that contains the early portions of UA's KTB (through July 1915 or so) but not the roll with the late portion. (Filming is a bit out or order between boats and dates/times are sometimes cut off. Multiple boats typically are on one roll.)

c. The logs of British submarines are at The National Archives (the former PRO) at Kew.

Best wishes,

Michael

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Deamon, I am going to the National Archives soon. If you tell me what British boats are you interested in I may be able to help. A lot of their records are not on the digital index you can serch on the internet.

Are you planning to re-create British submarines as well? The plans for those can be accessed through the National Maritime Museum.

Regards,

Bruce

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  • 4 years later...

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