Enclosure to the Kriegstagebuch of "U-230"
  Excerpt of the Radio Log:  
     
 
1.) 2032/21/69
  Tonight hunted independent unsuccessfully, course 70°.  IM 8190.  Missing Serial No. 64 from 13 February, 57 from 16 February, 86 from 17 February.  W 6, Sea 7, 1011 mb, 117 cbm.
                                                                                      "Siegmann".
   
2.) 2303/21/72
  "Siegmann"
  Head for naval square XD 66.  On 22 February at 08.00 switch to Ireland Circuit.
   
3.) 2356/21/74
  To Serial No. 72 must mean square KD not naval square KD.
   
4.) 1049/23/137
  Burggraf orders up to now are cancelled.  Christophersen, Uhlig, Siegmann, Pietsch, Möglich, Koitschka, Strelow, Kapitzky in this order on 25 February at 08.00 hours be in reconnaissance line from YN 6289 to 9398, course 240°.  Day's run 90 nm, boats arriving early do not assume position, free to maneuver away from the line until the time to set off.  Kapitzky because of large range blend into the reconnaissance line in the course of the 25th, boats form Group Burggraf.
   
5.) 0022/25/ßß
  Operational orders can not be executed due to too great range.  My position is square AL 2931.
                                                                                      "Siegmann".
   
6.) 0349/25/174
  To Group Burggraf departure of the group delayed due to the late arrival of Siegmann to 26 February at 08.00 hours.
   
7.) 1615/27/135
  Group Burggraf with course and speed so as to reach the position line from CQ 5855 to 8965 on 28 February 08.00 hours, then continue as before.
   
8.) 2009/28/163 Officer-Only Radio Message
  1.)  Tauto [Dauter], Förster, Berbeck, Lohmann and Franz join existing Group Wildfang in named order and be in patrol line on 3 March at 08.00 hours located from square RO 6185 to 0612.  If Tauto, Förster, Franz are operating on Friedrich convoy continue operation and report this with position.
  2.)  Group Burggraf reconnaissance line ordered up to now is cancelled.  On 3 March at 08.00 hours be in patrol line from square RO 0625 to 1187.
  3.)  North bound convoy expected on 3 March.
   
9.) 0931/1/168
  Wildfang- , Burggraf boats absolute radio silence, remain unseen, on determining location dive to advance and do not reveal disposition.
 
     
 
 
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10.) 1557/1/176
  1.)  Kapitzky, Dietrichs, Lange tomorrow between 03.00 and 06.00 hours provide weather.
  2.)  On 2 March at 08.00 hours Ölrich, Hengersen, Höltring, Hackländer, Manke, Gretzchel, Heinz Coastal Circuit, Johansen Ireland Circuit, Boats of Group Burggraf switch Hubertus Circuit.
  3.)  Wismann and Würdemann report situation.
   
11.) 1452/4/898
  Group Wildfang and Burggraf there is a north bound convoy in the area of the patrol line on 4 March.  Speed of advance of 7 knots expected.  Monitor area perfectly.
   
12.) 1917/5/823      [this message was actually 1917/5/821]
  Group Wildfang and Burggraf from 23.00 hours proceed on course 45°, speed 6 knots over ground.  On 6 March in the morning at 10.00 come about and in the evening at 21.00 hours be in old patrol line.
   
13.) 1153/6/826
  Enemy located square AJ 6669 course 90° speed 7 knots.  38 cbm.  Out of service GHG, trim pump, battery cell I.  W 7, Vis. 6 nm, 1025 mb, rising.
   
14.) 1056/6/824
  Reported enemy is convoy naval square AJ 6668.        Hopmann.
   
15.) 1240/6/828
  Friedrich, Siegmann, Vowe immediately report weather by Short Signal.
   
16.) 1255/6/830
  From Wildfang and Burggraf including Maßmann to Strelow and boats to the north of the line operate at highest speed on Hopmann convoy.  Apparently easterly course.  Hopmann hold contact do not attack.
   
17.) 1326/6/832
  Hopmann
  Convoy 13.15 hours naval square AK 4449, course 80°.
   
18.) 1315/6/ßß
  Position of the enemy is square AK 4449, enemy steers 80°.
                                                                                      "H Y".
   
19.) 1315/6/834
  With Vis. 2 nm, 2 columns, 5 steamers, 2 corvettes furthermore smoke clouds.  AK 4454, driving snow.
                                                                                      "Hopmann".
   
20.) 1455/6/ßß
  Enemy position is square AK 4452, enemy steers 60°, speed 9 knots.
                                                                                      "H Y".
   
21.) 1638/6/ßß
  Position of enemy square AK 4422, steers 0°.
                                                                                      "H Y".
   
22. 2202/6/849
  1.)  Ex Neuland boats operating on Hopmann convoy form Group Ostmark.
  2.)  All remaining boats operating on Hopmann convoy form Group Westmark.
 
     
     
     
 
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23.) 2322/6/865
  Contact lost at 18.00 hours naval square AK 4186, course 60°.  Depth charges, out of service gyro compass and port clutch.
                                                                                      "Hopmann".
   
24.) 0123/7/860
  Hornkohl sighted enemy 01.17 hours naval square AK 4853.
   
25.) 0217/7/ßß
  Enemy steers 45°, speed 9 knots.
                                                                                      "M N".
   
26.) 0416/7/865
  In snow shower 02.00 hours naval square AK 4234 ran into convoy.
                                                                                      "U-230".
   
27.) 0526/7/867
  Naval square AJ 3998.  Was hunted by escort vessel with red searchlight.
                                                                                      "Siegmann".
   
28.) 0658/7/     
  1.)  02.10 hours 5000 GRT freighter from convoy 2-miss.
  2.)  Fu.M.B. antenna out of service.  Request replacement.
  3.)  SW 4, medium-high Swell, 1002 mb, Vis. heavily changing.  72 cbm.
                                                                                      "Siegmann".
   
29.) 1156/7/876
  Convoy position 09.30 hours, naval square AK 1954, 8 knots, course 60°.
                                                                                      "Siegmann".
   
30.) 1354/7/881
  Control expects Hopmann-convoy on course from 50° to 80°.
   
31.) 2232/7/802
  Contact lost, last position naval square AK 1837, course southeast, naval square AK 0161.
                                                                                      "Christophersen".
   
32.) 0837/8/812
  1.)  Control suspects Christophersen convoy general course east.  Another part on old general course 50°.
  2.)  Christophersen immediately repeat last contact keeper report.
   
33.) 0922/8/813
  Last position of convoy 20.05 hours square AK 1837, course southeast, speed 8 knots.
   
34.)  
 
     
     
     
 
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34.) 1152/8      :
  Enemy in sight square AK 2691.        "L F".
   
35.) 8/815:
  "Möglich" sighted enemy in square AK 2691, 11.52 hours.
   
36.) 1211/8      :
  Enemy steers northeasterly course.  "L F".
   
37.) 1220/8/818:
  Westmark- and Ostmark boats.  Operate on "Möglich" report if no own enemy contact.
   
38.) 1201/8/823:
  Convoy naval square AK 3547, course 60°, speed 8 knots.        "Möglich".
   
39.) 1458/8/826:
  Flying boat at convoy.        "Möglich".
   
40.) 1530/8/828:
  Convoy naval square AK 3951.  Holding contact on convoy.        "Möglich".
   
41.) 1606/8/832:
  Have contact naval square AK 3573, course 60°, submerged before flying boat.
                                                                                      "Hornkohl".
   
42.) 1623/8/833:
  To Ost- and Westmark boats.  Attempt to catch the convoy in daylight. Shoot right at the beginning of the night to bring up other boats by star shells. The calmer weather situation is favorable to you, but still unfavorable to the defense of the enemy. The further the convoy gets to the east, the more difficult the struggle becomes because of increasing air. So go, together you are 24 boats, the strongest group yet.
   
43.) 1637/8/837:
  Position square AK 3528.  Have occasional contact on aircraft escort, SW 5, Sea 5, rain, Vis. low.
   
44.) 1906/8/     :
  Convoy square AK 3465, same course.        "U-526".
   
45.) 1935/8/847:
  Convoy naval square AK 3564, remote escort to the southeast of the convoy.  Report from "Möglich" at 19.20 hours.
   
46.) 2105/8/      :
  Request bearing signals from contact keeper.  "U-230".
   
47.) 1035/9/874:
  "Siegmann" and "Pietsch" immediately, "Lange" and "Müller" immediately report weather by Short Signal.
   
48.) 1105/9/879:
  Convoy naval square AL 1557, easterly course, sending bearing signals.        "Schetelig".
   
49.) 1219/9/882:
  Convoy consists of 4-5 steamers, 1 Sunderland, corvettes, naval square 1553, course 70°.
   
50.) 1329/9/885:
  Convoy naval square AL 1553, course 70°, speed 8 knots.  Intend attack.
                                                                                      "Schetelig".
 
     
     
     
 
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51.) 2236/9/880:
  On 7 March at dawn another 5000 GRT freighter from convoy torpedoed, naval square AL 1385, 4 + 2 torpedoes, 50 cbm, W 6, Sea 7, 1000 mb, falling.
                                                                                      "Siegmann".
   
52.) 887/9:
  Have occasional contact on convoy square AL 1569 inexact.  Sending bearing signals.
                                                                                      "Maßmann".
   
53.) 1754/9/      :
  Convoy square AL 1643, course 80°.        "U-229".
   
54.) 1915/9/802:
  Forced to submerged by corvette.  Contact lost.  Last convoy position naval square AL 1562, course 90°.
                                                                                      "Schetelig".
   
55.)       9/806:
  To Ost- and Westmark boats.  Continue searching in easterly direction.  There are still chances at the convoy such as pursuing independents.
   
56.) 0149/10/      :
  Enemy in sight square AL 2528.
                                                                                      "Siegmann".
   
57.) 0255/10/820:
  02.30 hours contact lost.  Last convoy position square AL 2528, inexact.
                                                                                      "Siegmann".
   
58.) 0831/10/826:
  Ran into convoy at dawn.  Naval square AL 2612.  Thereafter steers course 80° the entire night.  5 steamers, W 7, Sea 6, snow squalls.
                                                                                      "Schetelig".
   
59.) 1015/10/827:
  To Ost- and Westmark boats.  1.)  Boats in promising position in the vicinity of the convoy hang on and utilize last chance for attack.
  2.)  Boats in hopeless position set off to the west, expect stragglers on the convoy route, report fuel inventory and position.
   
60.) 1500/10/853:
  Close and remote escort at a steamer.  Naval square AL 2662, easterly course.
                                                                                      "Pietzsch".
   
61.) 2047/10      :
  Enemy position square AL 3559, course 100°.             "Brünning".
   
62.)       /10/852:
  Naval square AL 3526 large freighter with several patrol boats, apparently rest of the convoy, course east, 10 knots, WSW 10, Sea 9, 1004 mb, steady.
                                                                                      "Brünning".
   
63.) 2220/10/858:
  To Ost- and Westmark boats.  1.)  All boats break off operation at dawn on 11 March and search for stragglers to the west on the convoy route.
  2.)  After moving off report position and fuel inventory.
   
64.) 0958/11      :
  My position is square AL 3551, still have 38 cbm fuel oil on board.
                                                                                      "Siegmann".
   
65.) 1422/11/883:
  1.)  Group Ost- and Westmark dissolved.
  2.)  . . . . . . . . "Siegmann" begin economical return transit to supply place.  From 20.00 hours switch to "Diana" Circuit.
  3.)  . . . . . . . .
  4.)  . . . . . . . .
 
     
     
     
 
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66.) 2217/11/714:
  1.)  . . . . . . . .
  2.)  . . . . . . . . "Siegmann" supply from "Wolfbauer" in square BD 2455.  More to follow.
   
67.) 1915/12/741:
  If another boat proceeding to "Wolfbauer" has more than 5 good pairs of binoculars, immediately propose meeting point with "Pietzsch" who is in square AL 27.  Upon receipt of the message further proposals are only required with a greater number of binoculars.
   
68.) 0003/13/750:
  4 binoculars for "Pietzsch" on 13 March at dawn in naval square AL 2975.  W 6, Sea 7, Vis. changing, 1008 mb.
                                                                                      "Siegmann".
   
69.) 1346/14/780:
  1.)  . . . . . . . .
  2.)  "Dahlhaus" and "Siegmann" no supply.  Return transit.  "Siegmann" take over antenna from "Zech".
  3.)  . . . . . . . .
   
70.) 1742/16/715:
  With easterly course and speed 7 knots, convoy located naval square BD 1525 reports Kapitzky at 17.26 hours.
   
71.) 2321/16/726:
  Position square 3137, 28 cbm, still only 4 bridge binoculars.  Going to square 3475 to "Zech".  Request orders.  All naval square BD.
                                                                                      "Siegmann".
   
72.)       17/753:
  "U-338" sighted enemy 03.20 hours in naval square AK 8598, course 50°, speed 7 knots.
   
73.) 0248/17/732:
  1.)  . . . . . . . .
  2.)  "Zurmühlen" 02.50 hours square 1357, course 60°, 8 knots.
  3.)  . . . . . . . .
  4.)  All BD.
   
73.) 1005/17/741:
  "Siegmann" operate and immediately switch "Hubertus" Circuit, if fuel supply necessary do not go to "Zech" instead go to "Wolfbauer".
   
74.) 1132/17/851:
  "Kinzel" convoy 11.09 hours, naval square BD 2143, course 40°, speed 7 knots.  . . . . . . . .
   
75.) 0930/17/843:
  Have contact on smoke cloud in naval square BD 2116.        "Wintermeyer".
   
76.) 1546/17/872:
  Operating on "Kinzel" convoy.  Supply later from "Wolfbauer".
   
77.) 1211/17/857:
  Convoy located in naval square BD 2127, course 50°, speed 8 knots.  4 escorts, 2 flying boats seen.  Several columns.        "Kinzel".
   
78.) 1457/17/869:
  "Zurmühlen" convoy 14.41 hours naval square AK 8892, course 70°.
   
79.) 1549/17/873:
  To boats at northeast convoy.  1.)  Boats breaking off convoy operation due to fuel machinery or depth charge damage immediately switch "Diana" Circuit.  Breaking off and damage report on "Diana" Circuit switch to relief circuit "Hubertus".
   
79a.) 2015/16/716:
  "Kapitzky" reports convoy naval square BD 1538, course 110°, 8 knots, at 20.00 hours.
 
     
     
     
 
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80.) 2131/17/807:
  1.)  Situation assessment:  2 different convoys, "Raubgraf" convoy 17.30 hours in naval square 3948 reported by "Zurmühlen".  "Stürmer" convoy at 18.44 hours in AK 9462 reported by "Bahr".
  2.)  Due to the approach of other boats report contact more often.
   
81.) 2007/17/898:
  17.30 hours flying boat - aircraft bombs, destroyer depth charges, run over by convoy.  Position naval square 8943, no contact.
                                                                                      "Zurmühlen".
   
82.) 0932/18/847:
  Convoy in sight naval square AK 9165.
                                                                                      "Freyberg".
   
83.) 1230/18/852:
  KrKr.  Boats at "Raubgraf" convoy operate at highest speed on "Freyberg" report.
   
84.) 1800/18/770:
  Operate on stragglers.  Afterwards to "Wolfbauer".  Position naval square AK 9545, 19 cbm, only capable of 10 knots.  Probable duration 5 hours.  Still only 3 binoculars, switching "Diana" Circuit.  NNW 6, Sea 7, Vis. 6-8 nm, 1006 mb.
                                                                                      "Siegmann".
   
85.) 0740/18/866:
  In ßß at 03.02 hours position must mean correct Radio Message 08.30 hours 8659 Radio Message 857 8664, Radio Message 810 9415, all naval squares AK.
   
86.) 1306/20/713:
  Following return harbors were ordered:  . . . . . . . Brest for "Siegmann" . . . . . . . .    F.d.U. West.
   
87.) Outgoing Short Signal 29 March:
  Position 48 hours off meeting point with escort.  Request bearing signals from Lorient Transmitter I, 20.00 hours.
                                                                                      "Siegmann".