U-511 - 3rd War Patrol

Translation by Jerry Mason with help from Andi Forster

Departed	Date	Arrived	Date	Days at Sea
Lorient	31 December 1942	Lorient	8 March 1943	68

 

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Ships Hit
Date	KTB Time	Position	Ship	Tons	Nationality	Convoy
9 Jan 43	21.42	29°15'N, 26°46'W	WILLIAM WILBERFORCE	5,004	British
			Total = 5,004
Note:  The positions in the table above and in the Google Earth patrol summary are derived from the KTB and in many cases do not match those set forth in authoritative references such as Jürgen Rohwer, Axis Submarine Successes of World War Two or the Uboat.net website.  The goal here is to present the picture relative to the U-boat and not the absolute position that the ship was attacked or sank.

---

			K  r  i  e  g  s  t  a  g  e  b  u  c  h   "  U  511  "
			3rd Operation                                           from 29.11.42 to 8.3.43                                    Kommandant:  Kptlt. Schneewind.
			Distribution        :     Oberkommando der Kriegsmarine Copy No. 1 and 2 Befehlshaber der Unterseeboote     "      " 3 Kommandierender Admiral der Unterseeboote     "      " 4 Führer der Unterseeboote West     "      " 5 10. Unterseebootsflottille     "      " 6 2. Ufl. for 2. U.L.D. and 25. Ufl     "      " 7 Agru-Front, Kaptlt. Jebsen for 1. U.L.D.,     "      " 8                                24. and 26. U-Flottille
			Enclosures        :     1 Track chart with 2 sketches To     "      " 1,3,4,5,6. 1 Excerpt of the Radio Log   "      "      " 3,4,5,6. 2 Torpedo firing reports   "      "      " 3,4,5,6. 10 Barograph strips   "      "      " 3.
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Click the flag to view the above page from the original German KTB

	- 1 -
		29.11.42	Lorient, Harbor	Torpedo offload.
		30.11. - 02.12.42		Ammunition offload and provisions offload, cleared the boat.
		03.12.42		Boat shifted to Keroman.
		04. - 14.12.42		Overhaul work in dry-dock.
		15.12.42		Un-docked, shipyard work in the Keroman wet bunker.
		19.12 - 22.12.42		Fuel loading, basin trials, dummy torpedo shooting, torpedo and ammunition loading, took over the boat.
		20.12.42		Change of Command.
		23.12.42		Sea trial, trim test, degaussing.
		24.12.42		Conclusion of shipyard work.
		26.12.42		Provisions loading.
		27.12.42		Balanced the boat, final trim test.
		28. - 30.12.42		Due to illness of the Kommandant departure delayed 3 days.
		31.12.42	Lorient, Harbor
		16.30		Cast off for 3rd operation. Outbound Orders:  Head for CF 54.
				In Sperrbrecher convoy to Point "Laterne".
		18.35	W 3, Sea 2, overcast, 1020 mb, Vis. medium	Released from Sperrbrecher convoy.  Course 235°, transit speed 15 knots.
		20.00	BF 5299
		01.01.43	Bay of Biscay
		00.00	BF 5548
			W 3, Sea 2-3, 8/10, 1020 mb, Vis. medium
		00.30	BF 5571	Point "Kern".  Course 210°.
		04.00	BF 5764
		08.00	BF 8241
		08.10		Dived to proceed submerged, course 270°.
		12.00	BF 8165	Day's run      : 218 nm
			45°12.5'N	:     8 nm
			6°52'W	:  226 nm
		16.00	BF 8164
		18.34		Surfaced, course 235°, transit speed 12 knots.

	Sun and Moon Data 31.12.42
	Sun and Moon Data 01.01.43

	- 2 -
		continued
		01.01.43
		20.00	BF 8154
		02.01.43	Bay of Biscay
		00.00	BF 7383
			WNW 6, Sea 4-5, 8/10, (rain), 1019 mb, Vis. bad
		04.00	BF 7533
		05.00		Course 235°, transit speed 14 knots.
		08.00	BF 7544
		08.30		Dived to proceed submerged, course 270°.
		09.00 - 09.50		Deep dive test to depth A +40 meters.
		12.00	BF 7466	Day's run    : 144 nm
			44°14'N	:   21 nm
			10°19'W	:  165 nm; total 391 nm
		16.00	BF 7465
		18.50		Surfaced, course 235°, transit speed 14 knots.
		20.00	BF 7458	Course 250°, transit speed 12 knots.
		03.01.43	Northwest of Portugal
		00.00	BE 9698
			NW 3, Sea 2-3, 8/10, 1027 mb, Vis. changing, long low Swell
		04.00	BE 9917
		08.00	BE 9857
		08.30		Dived to proceed submerged, course 270°.
		12.00	BE 9847	Day's run   : 165 nm
			43°13'N	:   21 nm
			14°23'W	:  186 nm; total 577 nm
		16.00	BE 6769
		19.20		Surfaced, course 250°, transit speed 10 knots.
		20.00	BE 9791
		04.01.43	West of Portugal
		00.00	BE 9778
			SW 3, Sea 2-3, 9/10, 1025 mb, Vis. medium
		04.00	CF 3235
		08.00	CF 3247
		08.30		Dived to proceed submerged.

	Sun and Moon Data 01.01.43
	Sun and Moon Data 02.01.43
	Sun and Moon Data 03.01.43
	Sun and Moon Data 04.01.43

	- 3 -
		continued
		04.01.43
		10.00		Surfaced, course 220°, transit speed 7.5 knots.
		12.00	CF 3192	Day's run   : 152 nm
			42°13'N	:   16 nm
			17°43'W	:  168 nm;  total  :  745 nm
		13.00		Crash dive for training.
		16.00	CF 3425	Smoke cloud in sight briefly in 190°T.  Ran towards at high speed.  Nothing.
		16.50 - 17.08		Dived to listen.  Nothing.  Continued outbound transit.
		20.00	CF 3448	Sent passing report (Short Signal):
				My position is CF 3448.    U-511.
		05.01.43	Northwest of the Azores
			NW 2, Sea 1, overcast, 1028 mb, Vis. changing
		04.00	CF 2951
		08.00	CF 2896	Switched to Ireland Circuit.
		09.30 - 10.00		Test dive.
		12.00	CF 5226	Day's run   : 177 nm
			40°02'N	:     3 nm
			20°28'W	:  180 nm;  total  :  925 nm
		16.00	CF 5249
		20.00	CF 5198
		06.01.43	East of the Azores
		00.00	CF 5452	Reached ordered objective, course 180°.
			SW 4, Sea 3, 7/10, 1027 mb, Vis. medium
		04.00	CF 5488
		08.00	CF 5755
		12.00	CF 8122	Day's run   : 185 nm;  total  :  1110 nm
			37°24'N
			21°42'W

	Sun and Moon Data 04.01.43
	Sun and Moon Data 05.01.43
	Sun and Moon Data 06.01.43

	- 4 -
		continued
		06.01.43
		15.17		Outgoing Short Signal:  Have reached prescribed position.  Request orders.    U-511.
		15.35	[ED 40 = Caribbean]	Incoming Radio Message (1530/6/182):  Schneewind head for square ED 40.
		16.00	CF 8182
		18.00		Course 230°.
		20.00	CF 8418
		07.01.43	Southeast of the Azores
		00.00	CF 7668
			W 3, Sea 2, 2/10, 1034 mb, Vis. good, low Swell
		04.00	CF 7921
		08.00	CF 7866
		12.00	CF 7885	Day's run   : 198 nm;  total  :  1308 nm
			34°58'N
			24°06'W
		13.00		Test dive.
		16.00	DG 3314
		20.00	DG 3326
		08.01.43	Southeast of the Azores
		00.00	DG 3276
			SW 2, Sea 1-2, 6/10, 1032 mb, Vis. medium, low Swell
		04.00	DG 3439
		08.00	DG 3458	Switched to America II Circuit.
		12.00	DG 3478	Day's run   : 185 nm
			33°00'N	:     1 nm
			26°57'W	:  186 nm;  total  :  1494 nm
		16.00	DG 2937
		16.24		Incoming Radio Message (1608/8/374)
				At 16.00 hours U-381 reported a convoy in naval square DG 8495, course 60°.

	Sun and Moon Data 06.01.43
	Sun and Moon Data 07.01.43
	Sun and Moon Data 08.01.43

	- 5 -
		continued
		08.01.43
		16.37		Incoming Radio Message (1621/8/376)
				Schneewind, Schneider join Group Delphin.  Operate on Pückler-convoy.
				Operated on the convoy at 15.5 knots according to further contact keeper reports.  Course 170.  Expect to be at the enemy 10.00 hours on 9 January.
		20.00	DG 2989
		09.01.43	South of the Azores
		00.00	DG 5638
			S 2, Sea 2, 5/10, 1028 mb, Vis. medium
		04.00	DG 6742
		06.15		Light glow in 200°T, apparently a detonation.
		07.10		Star shell in 200°T, very far off, came to course 180°.
		07.30		Star shell in 205°T.
		08.00	DG 9151
		08.40		After a nearly 3-hour pause a new contact keeper report:  from Heydemann Radio Message (0720/9/310)
				1.)  Starboard diesel piston seizure.  No contact.  06.35 hours convoy in dissolved formation DG 8538.  Course north.
				2.)  . . . . . . . .   3.)  . . . . . . . .
		09.00		Came to course 285°.  Should be ahead of the convoy with course north and enemy speed 10 knots at 11.15 hours.
		11.25		Nothing seen.  Dived to listen.  faint propeller sounds in 140°T.
		12.00	DG 8365	Day's run   : 277 nm
			28°55'N	:     2 nm
			27°20'W	:  279 nm;  total  :  1773 nm
		13.20		Incoming Radio Message (1320)
				Convoy up to 5 steamers DG 9517.  cf   [U-181]
				Operated on this report.  Course 85°.
		13.40		U-boat bearing 200°T.  Passed out of sight again.

	Sun and Moon Data 08.01.43
	Sun and Moon Data 09.01.43

	- 6 -
		continued
		09.01.43
		13.50	DG 9175	Mushroom cloud in 220°T, range estimated at 30 nm.  Closed it.
		14.30		U-boat in sight again, course about 170°, turned towards it.  Brief situation exchange with U-620.  Stein reports: Mushroom cloud is from a lone tanker; at 13.30 hours 1 destroyer sighted.
				Intention:  both operate on Lüth/Schendel-convoy, course 80°.  "Stein" about 10 nm to the south.
		14.36		Incoming Radio Message (1300/9/322)  [U-134]
				Schendel-conovy naval square DG 9199, course 70°.
		16.00	DG 9179
		17.25	DG 9185	Mastheads in 60°T, course about 300°.  Maneuvered ahead.  Steamer zigzags irregularly by 30-40°, however within 15 minutes back to general course 325°, 11 knots.
		19.15		Incoming Radio Message (1837/9/331)  1.)  . . . . . . . .
				2.)  Schneewind report position.
		20.00	DG 9143
		20.45		Am ahead of the steamer.  He makes a strong evening zigzag to 20°, however after 15 minutes comes back to general course.
		21.20		Attacked on the surface from the moon lee.
		21.42	DG 9116	Multiple shot from tubes II and IV, target angle right 90°, enemy speed 11 knots, lead angle 22°, depth 3 meters, torpedo speed 30 knots, bearing 228°, own course 226°.
			ESE 1, Sea 1, 6/10, 1031 mb, Vis. medium, long low Swell
				After 55 seconds hit forward 40 meters and center.  About 25 and 30-meter high explosion cloud, steamer took a list and capsized to port after 5 minutes.
		21.54		Steamer sank over the forestem.  Went to the 4 lifeboats, it was the steamer "WILLIAM WILBERFORCE", 5004 GRT, from Takoradi for Liverpool.  Overall appearance agrees with Gröner and Merchant Ships.
		22.30		Outgoing Radio Message (2226/9/338):  Just now in naval square DG 9116 "WILIAM WILBERFORCE", course 325°, speed 11 knots from Takoradi for Liverpool sunk.  Operating further on Schendel-convoy.  165 cbm.  ESE 1, Sea 1, 6/10, 1031 mb.
				Came to course 75°.  Operated further on Schendel-convoy.
		10.01.43	South of the Azores
			N 2, Sea 1, 4/10, 1032 mb, Vis. medium, long low Swell
		04.00	DG 6886
		08.00	DG 6982

	Sun and Moon Data 09.01.43
	Sun and Moon Data 10.01.43

	- 7 -
		continued
		10.01.43
		11.05	DH 4791	The watch believes to have sighted a smoke cloud in 310°T.  Not certain, turned towards it.
		12.00	DG 6966	Day's run   : 292 nm;  total  :  2065 nm
			29°50'N
			23°32'W
		12.54		Dived to listen.  Nothing.
		13.10		Surfaced.  Incoming Radio Message (1305/10/348)
				At 12.54 hours Stein sighted 2 steamers, 2 gun boats in naval square DG 4767.  [typo DH 4767]
				Operated by the continually received contact keeper reports from Stein and Möhlmann.  Course 78°.
		16.00	DH 4725
		20.00	DH 4822
		22.43		Incoming Radio Message (2052/10/367):  To Group Delphin.
				1.)  Boats no longer operating on the rest of the convoy including Pückler immediately, boats operating further including Schneider and Schneewind after ending operations go to square DG 5464 for supply.
				2.)  . . . . . . . .  Schneider, Schneewind after supply continue transit into previously ordered operations area.  3.)  . . . .   4.)  . . . .
				Continued operating on the convoy.
		11.01.43	West of the Canary Islands
		00.00	DH 4681
			S 1, Sea 0, 2/10, 1027 mb, Vis. good, low Swell
		00.40	DH 4658	Fire glow and star shells in 127°T.  Bearing matches the position of the Schneider-convoy, only somewhat closer.  Came to course 125°.
		01.20		Star shells shifted a bit to the east of the fire glow, came to course 110°.  Established the distance from the convoy by continual bearings.  Plotted for enemy speed 12 knots, course 70°.  Own course 80°.
		03.10		Sidestepped a U-boat.  Course 220°, distance 500 meters.
		04.00	DH 5476
		05.50	DH 5491	1 shadow in sight in 60°T, apparently a destroyer.  Soon 4 shadows came in sight.  Ran towards at GF.  They are 2 tankers in line ahead formation, 7000 and 8000 GRT, ahead 1 destroyer and 1 escort vessel, to port astern

	Sun and Moon Data 10.01.43
	Sun and Moon Data 11.01.43

	- 8 -
		continued
		11.01.43		an escort vessel.  Convoy zigzags several times, general course 60°, speed 12 knots.
		07.10		Twilight begins, am positioned 30° aft of abeam from the tankers.  Considerations:  In an hour it will be light, by day maneuver ahead will be extremely protracted because both diesels smoke heavily from 2 x HF.  If I attack now in the twilight by turning in at GF, I can only shoot in a broad target angle and at great range.
		07.20		Convoy now zigzagged 20° towards me, I decide on a surface attack.  Turned towards the tankers at AK.
		07.28		Outgoing Short Signal:  Convoy DH 5466, two enemy tankers.    U-511.
		07.30	DH 5544	Must shoot because the astern escort vessel is very close.  4-fan from tubes I-IV on aft 8000 GRT tanker, target speed 12 knots, target angle bow left 125°, bearing 116°T, range 2500 meters, lead angle 19.5°, spread angle 1.7°, depth 4 meters, own speed 14 knots, own course 100°.
			S 1, Sea 0, 4/10, 1032 mb, Vis. bad, hazy
				Miss.  Reason:  Electrical firing malfunctioned.  Mech.Mt. fired by hand without stopwatch.  Range was too great with the broad target angle.
				Turned away, angled off and maneuvered ahead.
		08.00	DH 5541	From sunrise because of the black smoke of diesels highest speed 14.5 knots.  Destroyers and escort vessel make long advances on the flanks at irregular intervals.
		08.26		Outgoing Short Signal:  Hold contact DH 5545.    U-511.
		10.22	DH 5516	Crash dive for Sunderland in 110°T, course 300°, about 8000 meters away.  Was not noticed.
		10.55		Surfaced.  Pursued in 100°.
		11.20		Outgoing Radio Message (1030/11):  Forced to submerge by Sunderland. At 10.15 hours convoy was in naval square DH 5529.  Four-miss in twilight.  9 plus 8 torpedoes, 144 cbm, S 2, Sea 1, 1032 mb, Vis. very good.
		12.00	DH 5525	Day's run   : 339 nm
			31°05'N	:     2 nm
			18°06'W	:  341 nm;  total  :  2406 nm

Sun and Moon Data 11.01.43

	- 9 -
		continued
		11.01.43
		13.30	DH 5297	Smoke cloud and a short time later tanker mastheads in 90°T.
				Outgoing Short Signal:  Convoy DH 5611.    U-511.
				Maneuvered ahead.  It goes slowly at highest speed 14.5 knots.  Convoy steers between 60° and 70°.
		14.25		Outgoing Short Signal:  DH 5378.    U-511.
		14.59		Outgoing Short Signal:  Convoy DH 5379.    U-511.
		15.40		Steamer in 45°T, already high out, seen too late, had to turn away hard.  Steamer course 210°.
		16.00	DH 5371	Outgoing Short Signal:  Enemy in DH 5385.    U-511.
		16.05		2 mast heads in 165°T, come closer quickly, apparently corvettes, warship masts.  Am now between the convoy, the independent and 2 corvettes.
		16.09		Dived, came to attack course on the independent.  Corvettes zigzag at high speed from 10° to 320°, pass in about 3 nm distance.  Independent is unfortunately Portuguese "INHAMBANE", prescribed markings, passed in 600 meter distance.
		18.40		Steamer and corvettes out of sight.
		18.48		Surfaced.  Pursued at high speed behind the convoy.  It is about 50 nm away, I cannot get there again before tomorrow at noon.  By day I can only maneuver ahead at 14.5 knots.
		19.16		Outgoing Radio Message (1850/11):  16.09 hours naval square DH 5374 forced to submerge by Portuguese "INHAMBANE" and 2 approaching corvettes.  Am 50 nm behind the convoy.  Request to break off the operation, because highest speed 14.5 knots.  Require 3 cbm lubricating oil with supply.
		20.00	DH 5382
		21.35		Incoming Radio Message (2046/11/396):  Schneewind and Schneider break off pursuit and head for DG 54.
				Broke off operation, came to course 265°.
		12.01.43	South of Madeira
		00.00	DH 5358
			WNW 2, Sea 2, 9/10, 1031 mb, bright starry night, Vis. changing
		04.00	DH 5293
		08.00	DH 5282

	Sun and Moon Data 11.01.43
	Sun and Moon Data 12.01.43

	- 10 -
		continued
		12.01.43
		12.00	DH 5193	Day's run   : 194 nm
			31°24'N	:   10 nm
			18°42'W	:  204 nm;  total  :  2610 nm
		13.00 - 13.20		Test dive.
		16.00	DH 5184
		16.54		Incoming Radio Message (1505/12/305 and 1536/12/306):
				1.)  Contrary to previous orders Schneewind remains with Group Delphin.
				2.)  Group Delphin on 16 Jan 00.00 hours be in patrol line from square CE 8434 to DG 1961.  Auffermann, Folkers, Schneider, Schneewind in this order occupy positions from the north  . . . .  interval 25 nm.
				3.)  . . . . . . . .   4.)  . . . . . . . .   5.)  . . . . . . . .
				6.)  Schneider and Schneewind no supply.
				New course 290°.
		20.00 - 00.50		Downloaded 6 Atos from the over deck into the bow room, during this course 120° due to swell.
		13.01.43	Southwest of Madeira
		00.00	DH 5189
			W 1, Sea 1, 8/10, 1032 mb, Vis. changing, medium Swell
		04.00	DH 5176
		08.00	DH 4364
		09.15 - 09.34		Test dive.
		12.00	DH 4318	Day's run   : 177 nm
			31°53'N	:     2 nm
			20°54'W	:  179 nm;  total  :  2789 nm
		16.00	DH 4231
		20.00	DH 1875

	Sun and Moon Data 12.01.43
	Sun and Moon Data 13.01.43

	- 11 -
		14.01.43	Southwest of the Azores
		00.00	DH 1755
			SSW 3, Sea 3, 7/10, 1027 mb, Vis. good, medium Swell
		04.00	DG 3938
		08.00	DG 3913	Switched to Ireland Circuit.
		12.00	DG 3591	Day's run   :  223 nm;  total  :  3012 nm
			33°12'N
			25°03'W
		13.05 - 13.27		Test dive.
		16.00	DG 3557	Transit speed HF due to weather deterioration.
		20.00	DG 3545
		15.01.43	South of the Azores
		00.00	DG 4328
			SW 3, Sea 2, 8/10, 1024 mb, Vis. changing, medium Swell, bright moonlit night
		04.00	DG 2398
		08.00	DG 2372
		12.00	DG 2253	Day's run   : 202 nm
			34°24'N	:     1 nm
			28°50'W	:  203 nm;  total  :  3215 nm
		13.03 - 13.27		Test dive.
		16.00	DG 2133
		19.15		Incoming Radio Message (1840/15/191):  Group Delphin 16 January 11.00 hours in reconnaissance line course 285°, 6 knots.
		20.00	CE 8881
		16.01.43	Southwest of the Azores
		00.00	CE 8793	Large navigation offset to the SE, and still 10 nm from the patrol line.  Cruised in short legs to the center point in the line.
			NW 6, Sea 5, overcast, 1021 mb, Vis. changing, medium Swell, bright moonlit night

	Sun and Moon Data 14.01.43
	Sun and Moon Data 15.01.43
	Sun and Moon Data 16.01.43

	- 12 -
		continued
		16.01.43
		04.00	CE 8765	Back and forth in patrol line.
		08.00	CE 8764
		10.30 - 10.45		Test dive.
		11.00		Course 285°, transit speed 6 knots.
		12.00	CE 8775	Day's run   : 207 nm
			35°15'N	:     2 nm
			31°16'W	:  209 nm;  total  :  3424 nm
		16.00	CE 8742
		16.22		Incoming Radio Message (1522/16/104):  Group Delphin stop today at 20.00 hours.  Occupy reached position line from square CE 7398 to square DG 1835 as patrol line.  Tomorrow 10.30 hours course 285°, 6 knots.  Arrival of the expected convoy is probably delayed.
		20.00	CE 7939	Back and forth in position in patrol line.
		17.01.43	Southwest of the Azores
			CE 7937
			SW 4, Sea 3, 9/10, 1018 mb, Vis. medium, bright moonlit night, medium Swell
		04.00	CE 7937
		08.00	CE 7937
		10.15 - 10.30		Test dive, afterwards course 285°, transit speed 6 knots.
		12.00	CE 7925	Day's run   : 121 nm
			35°30'N	:     1 nm
			32°36'W	:  122 nm;  total  :  3546 nm
		16.00	CE 7913
		16.42		Incoming Radio Message (1635/17/116):  Group Delphin at 20.30 hours remain in reached patrol line.
		18.20	CE 7678	Steamer in sight out of a rain squall, bow left 20°.  Dived, came to attack course.  It is the Swedish "STEGEHOLM" course 70°, 13 knots.  Passed at a distance of 800 meters.

	Sun and Moon Data 16.01.43
	Sun and Moon Data 17.01.43

	- 13 -
		continued
		17.01.43
		19.10		Surfaced, continued in reconnaissance line.
		20.00	CE 7921
		18.01.43	Southwest of the Azores
		00.00	CE 9597	Back and forth in position in patrol line.
		00.25	WNW 7, Sea 6, overcast, rain showers, 1011 mb, Vis. changing	Dived to listen.
		04.00	CE 7587
		04.05 - 04.20		Dived to listen.
		08.00	CE 7589
		09.51		Incoming Radio Message (0913/19/113):  Group Delphin 11.00 hours, course 285°, 6 knots.
		11.00		Continued in reconnaissance line.
		12.00	CE 7584	Day's run   : 120 nm
			34°50'N	:     4 nm
			33°50'W	:  124 nm;  total  :  3670 nm
		12.00 - 12.57	W 9, Sea 7-8, overcast, rain showers, 1006 mb	Test dive, weather deterioration.  Steered submerged for 1 hour at HF, course 285°, because the boat can barely make way on the surface.
		16.00 - 17.00	CE 7576	Dived, ran submerged for 1 hour at HF.
		17.52		Incoming Radio Message (1704/18/136:  1.)  Group Delphin today at 20.30 hours remain in position in reached position line from naval square 7162 to 3669 as patrol line.  Further western transit not intended.  2.)  . . . .   3.)  . . . .
		20.00	CE 7439	Back and forth in position in patrol line.
		19.01.43	Southwest of the Azores
		00.00	CE 7492
			W 9, Sea 8, overcast, rain shower, 1007 mb, Vis. changing
		01.00 - 01.15		Dived to listen.  Very bad listening conditions, because the sea sounds are too strong.
		04.00	CE 7492
		08.00	CE 7491	Port diesel out of service, cylinder block cracked.

	Sun and Moon Data 17.01.43
	Sun and Moon Data 18.01.43
	Sun and Moon Data 19.01.43

	- 14 -
		continued
		19.01.43
		10.35 - 13.00		Dived to remove the old and install the new cylinder block.  Not possible on the surface due to the Sea State.  Now and then surfaced to take an all around sweep.
		12.00	CE 7491	Day's run   : 108 nm
			35°57'N	:   15 nm
			34°36'W	:  123 nm;  total  :  3793 nm
		16.00	CE 7495	Boat lay with E-motors against the seas, speed so as to be relatively dry and save fuel, because the diesel must run at a minimum of HF, to not be flooded.
		20.00	CE 7493
		20.01.43	Southwest of the Azores
		00.00	CE 7493
			WNW 9, Sea 8, overcast, rain showers, 1008 mb, Vis. changing
		04.00	CE 7469
		08.00	CE 7465
		10.00 - 10.30		Test dive.
		12.00	CE 7492	Day's run   : 87 nm
			36°00'N	:   3 nm
			34°30'W	:  90 nm;  total  :  3883 nm
		16.00	CE 7495
		20.00	CE 7492
		21.01.43	Southwest of the Azores
		00.00	CE 7492	Back and forth in position in patrol line.  Boat sometimes placed against the sea with E-motors.
			SSW 5, Sea 4-5, overcast, 1010 mb, Vis. good, bright moonlit night, long high NW-Swell
		04.00	CE 7492
		08.00	CE 7492
		10.15 - 10.45		Test dive.

	Sun and Moon Data 19.01.43
	Sun and Moon Data 20.01.43
	Sun and Moon Data 21.01.43

	- 15 -
		continued
		21.01.43
		12.00	CE 7492	Day's run   :  57 nm
			35°58'N	:    1 nm
			34°28'W	:  58 nm;  total  :  3941 nm
		16.00	CE 7468
		20.00	CE 7492
		22.01.43	Southwest of the Azores
		00.00	CE 7495
			WNW 3, Sea 2-3, overcast, 1012 mb, individual rain showers, Vis. good, bright moonlit night, high Swell
		04.00	CE 7498
		08.00	CE 7495
		12.00	CE 7492	Day's run   : 77 nm;  total  :  4018 nm
			35°54'N
			34°28'W
		13.00 - 13.20		Test dive.
		16.00	CE 7492
		17.59		Incoming Radio Message (1738/22/185):  1.)  Group Delphin today at 20.30 hours proceed as reconnaissance line with course 90° and speed 8 knots.  On 23 January come about, course 280°, 6 knots.  2.)  . . . . . . . .
		20.00	CE 7492
		20.30		Course 90°, 8 knots.
		23.01.43	Southwest of the Azores
		00.00	CE 7573	Incoming Radio Message (0847/23/191)  Group Delphin from 10.00 hours 280°, speed 4 knots not 6 knots.
			SW 3, Sea 3, 4/10, 1014 mb, Vis. good, bright moonlit night, Swell
		04.00	CE 7592
		08.00	CE 7681
		10.00 - 10.24		Test dive, afterwards course 280°, 4 knots.
				Brief advance into the unclear horizon.

	Sun and Moon Data 21.01.43
	Sun and Moon Data 22.01.43
	Sun and Moon Data 23.01.43

	- 16 -
		continued
		23.01.43
		12.00	CE 7681	Day's run   : 170 nm
			35°59'N	:     2 nm
			32°28'W	:  172 nm;  total  :  4190 nm
		16.00 - 16.10	CE 7648	Dived to listen.
		16.55		Incoming Radio message (1607/23/196)  1.)  . . . . . . . .
				1.)  Group Delphin at 20.30 hours come about, general course east, speed 7 knots.  On 24 January 10.30 hours in order: Auffermann, Folkers, Schneider, Schneewind, Hesse, Seibicke, Heydemann, Pückler, Möhlmann, Stein, Berger, Poser, Looks, Krech be in patrol line from square CE 8156 to DG 1937.
		20.00	CE 7565
		20.15 - 20.55		Dived to listen, afterwards course 90°, speed 7.5 knots.
		24.01.43	Southwest of the Azores
		00.00	CE 7646
			SW 3, Sea 2, overcast, at times rain showers, 1016 mb, Vis. changing, medium Swell
		04.00	CE 7665
		08.00	CE 8449
		10.35 - 11.05		Test dive, am in new patrol line.
		12.00	CE 8459	Day's run   : 153 nm
			36°04'N	:     4 nm
			31°01'W	:  157 nm;  total  :  4347 nm
		13.22		Incoming Radio Message (1009/24/107):  Group Delphin at 11.00 hours course west, 4 knots over ground.  At 19.00 hours remain in reached position line as patrol line.  etc. . . .
				Came to course west, 6 knots.
		16.00	CE 8457
		19.00		Back and forth in position in new patrol line
		20.00	CE 8448

	Sun and Moon Data 23.01.43
	Sun and Moon Data 24.01.43

	- 17 -
		continued
		24.01.43
		22.15 - 22.30		Dived to listen.
		25.01.43	Southwest of the Azores
		00.00	CE 8447
			NNE 2, Sea 1-2, 3/10, 1024 mb, Vis. good, low Swell, bright moonlit night
		04.00	CE 8448
		08.00	CE 8448
		10.00 - 10.10		Test dive.
		12.00	CE 8449	Day's run   : 148 nm
			36°05'N	:     1 nm
			31°36'W	:  149 nm;  total  :  4496 nm
		16.00	CE 8447
		20.00	CE 8448
		23.30 - 23.40		Dived to listen.
		26.01.43	Southwest of the Azores
		00.00	CE 8447
			SSW 4-5, Sea 3, 6/10, 1019 mb, Vis. good, low Swell, bright moonlit night
		04.00	CE 8447
		08.00	CE 8448
		10.00 - 10.15		Test dive.
		12.00	CE 8447	Day's run   : 113 nm
			36°05'N	:     2 nm
			31°48'W	:  115 nm;  total  :  4611 nm
		16.00	CE 8448
		20.00	CE 8447
		23.30 - 23.40		Dived to listen.

	Sun and Moon Data 24.01.43
	Sun and Moon Data 25.01.43
	Sun and Moon Data 26.01.43

	- 18 -
		27.01.43	Southwest of the Azores
		00.00	CE 8444
			NNW 2, Sea 1-2, overcast, 1022 mb, Vis. changing, low Swell, strong marine phosphorescence
		04.00	CE 8447
		08.00	CE 8448
		10.00 - 10.23		Test dive.
		12.00	CE 8458	Navigation correction, strong offset to the east.
			36°06'N	Day's run   : 117 nm
			31°14'W	:     2 nm
				:  119 nm;  total  :  4730 nm
		13.37		Incoming Radio Message (1320/27/145):  Group Delphin draw apart patrol line to the north and south from naval square 5774 to naval square 4342.  Etc.  . . . .
				Went to new position CE 8417.
		16.00	CE 8446
		20.00	CE 8417	Back and forth in new position.
		23.48 - 24.00		Dived to listen.
		28.01.43	Southwest of the Azores
		00.00	CE 8417
			NW 3, Sea 2-3, overcast, 1027 mb, Vis. changing, low Swell
		04.00	CE 8417
		06.15		Incoming Radio Message (0550/28/154):  Group Delphin.
				Until lightness gain as much ground as possible to the east, after lightness remain in position.  Intention:  Passing of further steamers in darkness should be prevented.
				Came to course 90°, speed 14.5 knots.
		08.00	CE 8427
		10.00 - 10.15		Test dive.

	Sun and Moon Data 27.01.43
	Sun and Moon Data 28.01.43

	- 19 -
		continued
		28.01.43
		11.35		Incoming Radio Message (1000/28/155):  To Group Delphin.  Transit speed course north.
				Came to course 0°, 7 knots.
		12.00	CE 8437	Day's run   : 160 nm
			36°21'N	:     2 nm
			31°00'W	:  162 nm;  total  :  4892 nm
		13.10	CE 8435	Steamer in sight in 10°T, apparently wounded, has a strong list.
		13.12		Steamer sank over the stern post.  With that a heavy detonation.  Despite range of about 8000 meters concussion in the boat.
		13.30		U-boat and lifeboat in sight in 0°T, sidestepped.   They don't need to see there are several boats here.
		14.50	CE 8432	Passed the sinking location of the steamer.
		16.00	CE 8194
		17.49		Incoming Radio Message (1712/28/162):  Group Delphin with boats Folkers to Koch at economical transit speed occupy patrol line from CF 7397 to DH 5879, depth 30 nm.
				2.)  . . . . . . . .   3.)  . . . . . . . .
				Course 100°, 7 knots.
		19.50		U-boat in sight in 110°T, course north, closed it, Recognition Signal exchange, it was U-442, brief situation exchange, continued on.
		20.00	CE 8241
		23.45 - 24.00		Dived to listen.
		29.01.43	South of the Azores
		00.00	CE 8252
			WSW 3, Sea 2, overcast, 1025 mb, Vis. changing, low Swell, marine phosphorescence
		04.00	CE 8266
		08.00	CE 8358
		09.45 - 10.00		Test dive.

	Sun and Moon Data 28.01.43
	Sun and Moon Data 29.01.43

	- 20 -
		continued
		29.01.43
		12.00	CE 8393	Day's run   : 164 nm
			36°52'N	:     2 nm
			28°24'W	:  166 nm;  total  :  5058 nm
		16.00	CE 9184
		20.00	CE 9433
		30.01.43	Southeast of the Azores
		00.00	CE 9524
			WNW 4, Sea 3, 3/10, 1026 mb, Vis. good, low Swell
		04.00	CE 9539
		08.00	CE 9651
		09.45 - 10.40		Test dive.
		12.00	CE 9665	Day's run   : 187 nm
			36°11'N	:     2 nm
			24°56'W	:  189 nm;  total  :  5247 nm
		16.00	CF 7554
		20.00	CF 7591
		31.01.43	Southeast of the Azores
		00.00	CF 7677
			S 5, Sea 4, 5/10, 1017 mb, Vis. medium, low Swell
		04.00	CF 7925
		08.00	CF 7963
		09.45 - 10.00		Test dive.
		12.00	CE 8711	Day's run   : 156 nm
			35°37'N	:     1 nm
			22°02'W	:  157 nm;  total  :  5404 nm

	Sun and Moon Data 29.01.43
	Sun and Moon Data 30.01.43
	Sun and Moon Data 31.01.43

	- 21 -
		continued
		31.01.43
		16.00	CF 8724
		20.00	CF 8719
		01.02.43	Southeast of the Azores
		00.00	CF 8716
			NW 4, Sea 3, 7/10, 1024 mb, Vis. medium, medium Swell
		04.00	CF 8713
		08.00	CF 8712
		09.30 - 09.50		Test dive.
		12.00	CF 8713	Day's run   : 126 nm
			35°38'N	:     1 nm
			21°58'W	:  127 nm;  total  :  5531 nm
		16.00	CF 8713
		20.00	CF 8714
		02.02.43	Southeast of the Azores
		00.00	CF 8718
			WNW 1, Sea 0-1, 1/10, 1034 mb, Vis. good, bright starry night
		04.00	CF 8719
		08.00	CF 8716
		09.30 - 10.00		Test dive.
		12.00	CF 8743	Day's run   : 111 nm
			35°19'N	:     1 nm
			22°00'W	:  112 nm;  total  :  5643 nm
		16.00	CF 8743
		20.00	CF 8479
		03.02.43	Southeast of the Azores
		00.00	CF 8713
			SSW 2, Sea 1, 5/10, 1035 mb, Vis. medium, bright starry night

	Sun and Moon Data 31.01.43
	Sun and Moon Data 01.02.43
	Sun and Moon Data 02.02.43
	Sun and Moon Data 03.02.43

	- 22 -
		continued
		03.02.43
		04.00	CF 8716
		08.00	CF 8713
		09.30 - 09.40		Test dive.
		12.00	CF 8719	Day's run   : 114 nm
			35°30'N	:     1 nm
			21°54'W	:  115 nm;  total  :  5758 nm
		16.00	CF 8719
		20.00	CF 8716
		04.02.43	Southeast of the Azores
		00.00	CF 8719
			WNW 2, Sea 1, 1/10, 1032 mb, Vis. good, bright starry night
		04.00	CF 8716
		08.00	CF 8716
		09.30 - 09.55		Test dive.
		12.00	CF 8724	Day's run   : 121 nm
			35°35'N	:     1 nm
			21°45'W	:  122 nm;  total  :  5880 nm
		16.00	CF 8728
		17.54		Incoming Radio Message (1731/4/199):  1.)  Group Delphin at economical transit speed in previous order occupy new patrol line from CG 4655 via CF 9264 to DH 2556.
				2.)  . . . . . . . .
				Came to course 68°, speed 7.5 knots.
		20.00	CF 8722
		05.02.43	Southeast of the Azores
		00.00	CF 8495
			NE 3, Sea 2, 4/10, 1034 mb, Vis. changing
		04.00	CF 8557
		08.00	CF 8562

	Sun and Moon Data 03.02.43
	Sun and Moon Data 04.02.43
	Sun and Moon Data 05.02.43

	- 23 -
		continued
		05.02.43
		09.00 - 09.30		Test dive.
		12.00	CF 8618	Day's run   : 163 nm
			36°21'N	:     1 nm
			19°40'W	:  164 nm;  total  :  6044 nm
		16.00	CF 8623
		20.00	CF 9177
		06.02.43	East of the Azores
		00.00	CF 9159
			ENE 1, Sea 0-1, overcast, 1035 mb, Vis. changing
		04.00	CF 9244
		08.00	CF 9229
		09.00 - 09.35		Test dive.
		12.00	CF 9311	Day's run   : 173 nm
			37°28'N	:     1 nm
			16°15'W	:  174 nm;  total  :  6218 nm
		16.00	CF 6983
		20.00	CG 4747
		07.02.43	East of the Azores
		00.00	CG 4753
			NW 2, Sea 1, overcast, 1036 mb, Vis. medium
		02.20	CG 4738	Brightly illuminated steamer in sight in 170°T, 8 nm away, course west.  Continued on because of fuel shortage.
		04.00	CG 4739
		08.00	CG 4821	Moved back and forth in position in new patrol line.
		08.20		In twilight type IXc U-boat in sight in 190°T, course about south, distance 2 nm.
		08.25		Vessel out of a cloud bank 0°T, course 170°.  Tried to run off, however doesn't work because of the black smoking diesel.

	Sun and Moon Data 05.02.43
	Sun and Moon Data 06.02.43
	Sun and Moon Data 07.02.43

	- 24 -
		continued
		07.02.43
		08.30		Dived, came to attack course.  It is a patrol vessel, similar to a "KINGFISHER" watch boat, however thin smokestack.
		09.06		A second patrol vessel in the vicinity of the first.  Both turned away and ran off at high speed on course 120°.
		10.00		Surfaced, mastheads in 130°T are still in sight.
		10.10		A German attack periscope in 200°T, distance 500 meters.  Probably the boat seen was Schneider.  To be on the safe side, sidestepped and pursued.  Patrol vessels passed out of sight slowly, ran at faster speed than I.  Light zigzags, general course 120°.
		11.30		Broke off pursuit, no convoy in the vicinity of the patrol vessels.
		12.00	CG 4825	Day's run   : 187 nm
			38°17'N	:     5 nm
			13°20'W	:  192 nm;  total  :  6410 nm
		13.00		Outgoing Radio Message (155/7/):  CG 4826 two patrol vessels, general course 120.  Pursued without success.  40 cbm, NE 1, 1030 mb.    Schneewind.
		16.00	CG 4579
		20.00	CG 4824
		08.02.43	East of the Azores
		00.00	CG 4821
			NNE 2, Sea 2, 7/10, 1033 mb, Vis. changing
		04.00	CG 4821
		05.32		Brightly illuminated steamer in sight in 280°T, course 95°.  It is a Portuguese, remained in patrol line.
		08.00	CG 4577
		08.40 - 09.40		Test dive, boat is strongly out of trim.
		12.00	CG 4824	Day's run   : 170 nm
			38°12'N	:     3 nm
			13°22'W	:  173 nm;  total  :  6583 nm

	Sun and Moon Data 07.02.43
	Sun and Moon Data 08.02.43

	- 25 -
		continued
		08.02.43
		16.00 - 16.42	CG 4827	Test dive.
		18.30		Crash dive tor large land-based aircraft in 155°T, course about 100°, remained unnoticed.
		19.13		Surfaced.
		19.16		Incoming Radio Message (1846/8/128):  Group Delphin in previous order from Folkers up to Stein occupy new patrol line from CG 4652 to CF 9665.  Etc.
				Came to course 95°, transit speed 7.5 knots.
		20.00	CG 4824
		09.02.43	West of Portugal
		00.00	CG 4835	Back and forth in position in new patrol line.
			NbyE 2, Sea 1-2, 6/10, 1028 mb, Vis. changing
		00.02		Light glow in 65°T.  It is a Portuguese steamer, course 260°, speed 8 knots.
		04.00	CG 4835
		08.00	CG 4835
		08.30 - 08.57		Test dive.
		09.40		Smoke cloud in 150°T.  Ran towards it at GF.  Did not get closer.  Approximate course 120°.
		11.30		Broke off pursuit.  Must have been the destroyer reported by Hesse in Radio Message (1054/ 9/104).
		12.00	CG 4863	Day's run   : 176 nm
			38°03'N	:     5 nm
			12°48'W	:  181 nm;  total  :  6764 nm
		16.00	CG 4839
		20.00	CG 4834
		10.02.43	West of Portugal
		00.00	CG 4835
			NbyE 3, Sea 2-3, 9/10, 1028 mb, Vis. medium
		04.00	CG 4835
		08.00	CG 4837
		08.44 - 09.15		Test dive.

	Sun and Moon Data 08.02.43
	Sun and Moon Data 09.02.43
	Sun and Moon Data 10.02.43

	- 26 -
		continued
		10.02.43
		12.00	CG 4826	Day's run   : 162 nm
			38°14'N	:     2 nm
			13°08'W	:  164 nm;  total  :  6928 nm
		12.35		Smoke cloud in 0°T, a short time later mast and smokestack heads.  Very bright and illuminated colors.  Would be a neutral.  Dived, closed at GF.  It is Spanish, course 260°, speed 11 knots.  Name not determined due to too great range.
		14.25		Surfaced.
		16.00	CG 4834
		20.00	CG 4835
		11.02.43	West of Portugal
		00.00	CG 4833
			N 4, Sea 3, overcast, 1035 mb, Vis. medium
		01.47		Incoming Radio Message (0025/11/150 and 0100/11/152):
				1.)  With depth 60 nm occupy the following attack areas:  U-575 square 6626 etc., Steinhoff [typo Schneewind] square 4829, large square CG etc.
				2.)  . . . . . . . .  3.)  For Schneider and Steinhoff [typo Schneewind] supply is anticipated about on 23 February in DH 10.  4.  . . . . . . . .
		04.00	CG 4829	Am in new attack area.
		08.00	CG 4853
		08.38 - 09.00		Test dive.
		12.00	CG 4828	Day's run   : 164 nm
			38°09'N	:     6 nm
			13°14'W	:  170 nm;  total  :  7098 nm
		16.00	CG 4853
		20.00	CG 4825

	Sun and Moon Data 10.02.43
	Sun and Moon Data 11.02.43

	- 27 -
		12.02.43	West of Portugal
		00.00	CG 4829
			NbyE 3, Sea 2, overcast, 1034 mb, Vis. medium
		04.00	CG 4828	Steamer lights in 160°T, illuminated steamer, course about 260°, distance 10 nm.
		08.00	CG 4853
		08.35 - 08.55		Test dive.
		12.00	CG 4827	Day's run   : 154 nm
			38°11'N	:     1 nm
			13°25'W	:  155 nm;  total  :  7253 nm
		15.14		Incoming Radio Message (1455/12/179):  Group Delphin including Gelhaus and Janssen a increased or economical speed operate on enemy reported by Johannsen in naval square BE 9815.
				Came to course 0°, transit speed 13 knots.
		16.00	CG 4821
		18.50	CG 4543	Crash dive for flying boat in 30°T, distance 9000 meters, course 300°, high altitude.  Remained unnoticed.
		19.25		Surfaced.
		20.00	CG 4519	Operated on enemy course 160°, 10 knots, own course 35°; at the sane time there is the possibility of meeting the "Maus-convoy" at about 04.00 hours if it steers 170° and has the same position as the "Johannsen-convoy".
		13.02.43	West of Portugal
			CG 4255
			NEbyN 4, Sea 3, overcast, 1037 mb, Vis. changing
		04.00	CG 1896	"Maus-convoy" not met.
		08.00	CG 1927	Am at the meeting point for the "Johannsen-convoy", nothing seen.  Steered search course for enemy course 160-180° and enemy speed 7.5 to 8 knots.
		08.33 - 09.00		Test dive, nothing heard.
		10.19	CG 1941	Incoming Radio Message (1005/13/110):  Individual smoke clouds in sight naval square CG 1911.    U-185.
				Came to course 0°.

	Sun and Moon Data 12.02.43
	Sun and Moon Data 13.02.43

	- 28 -
		continued
		13.02.43
		11.00	NEbyN 3, Sea 3, overcast, 1038 mb, at times fog, Vis. bad	Destroyer in sight in 60°T, course 160°, passes out of sight in a short time in fog clouds.  Must belong to the smoke clouds from U-185.  Pursued.
		12.00	CG 1946	Day's run   : 224 nm
			40°42'N	:     4 nm
			12°26'W	:  228 nm;  total  :  7481 nm
		12.45		U-boat in sight in 140°T. It is U-125, brief situation discussion, continued operating on the destroyer.
		13.45 - 14.10		Dived to listen.  Propeller sounds in 60°T.  Pursued on course 70°.
		14.15		U-boat in sight in 230°, course 100°, high speed.  Might be U-185.
		14.55		Destroyer and a smoke cloud in 90°T and 70°T, a short time later one more destroyer with the smoke cloud.  Maneuvered ahead.  Contact keeping made very difficult by the at times arising fog clouds.  The other U-boat came too close and dove.
		16.00	CG 1983
		16.15		Outgoing Radio Message:  2 destroyers and a smoke cloud naval square CG 1968.
		17.11		Destroyer came out of a fog cloud high out, target angle 0°.  Can no longer run off.  Once again the diesels smoke very heavily.
		17.22		Dived.  Was noticed.  Listening pursuit.  Remained at periscope depth and tried to out maneuver the destroyer.  Always turned with.  Asdic sounds.  It is a modern escort vessel, similar to type "AUCKLAND", however destroyer forecastle and forward and aft each 2 cannons (probably 10.2 cm) in single mounts, aft a stump mast with crow's nest.
				Escort vessel approached alternating bow right and left target angle 20-30°, listening speed.  Passed by me at about 1200 meters, then turns around hard and comes towards me in target angle 0°.  Went to depth A +60 meters, escort vessel overran me twice, went to depth 2A meters.

Sun and Moon Data 13.02.43

	- 29 -
		continued
		13.02.43
		18.05	CG 1994	12 depth charges in two series of 6, medium range, no failures.  Escort vessel proceeds in search course, went to depth 2A +20 meters, a short time later again to depth 2A meters, then to depth A +20 meters
		20.00	CG 1994	6 depth charges at great range.
		21.14		Surfaced.  Since the depth charges the starboard shaft bangs and clatters very strongly at more than 110 RPM.
		21.26	CG 1994	Horizontally polarized detection on 168 cm.  Dived.  Engine maneuvers to determine the cause of the banging of the starboard shaft.  No cause found.
		23.05		Surfaced.  Still 16 cbm, am going to supply place.
		14.02.43	Weest of Portugal
		00.00	CG 1989
			NE 4, Sea 3, 2/10, 1032 mb, Vis. medium, bright moonlit night
		02.18		Outgoing Radio Message (0055/14/134):  1.)  17.12 hours CG 1986 forced to submerged by escort vessel.  Depth charge pursuit.  With it strong banging and clattering of the starboard shaft.  Boat is limitedly clear for listening pursuit.
				2.)  Position of destroyer and smoke cloud 17.00 hours naval square CG 1991
				3.)  Still 16 cbm, going to supply place.  NE 4, Sea 3, 3/10, 1032 mb.
		04.00	CG 4235	Incoming Radio Message (0340/14/136):  Schneewind head for CE 50
		08.00	CG 4245
		08.30 - 09.05		Test dive.
		12.00	CG 4191	Day's run   : 163 nm
			39°36'N	:   19 nm
			14°16'W	:  182 nm;  total  :  7663 nm
		12.30		Incoming Radio Message (1044/14/143): 1.)  . . . . . . . .  Schneewind and Wolfram meet in square CF 5275 to take over fuel.
				2.)  Reichenbach and Schneewind report time of the meeting and later completion.    3.)  . . . . . . . .
				Came to course 270°.

	Sun and Moon Data 13.02.43
	Sun and Moon Data 14.02.43

	- 30 -
		continued
		14.02.43
		16.00	CG 4172
		18.54		Outgoing Short Signal:  Anticipate arrival at meeting point on 16 February at 10.00 hours.    U-511.
		20.00	CF 6386
		15.02.43	West of Portugal
		00.00	CF 6375
			NE 3, Sea 3, 8/10, 1036 mb, Vis. medium
		04.00	CF 6286
		08.00	CF 6275
		09.00 - 09.55		Test dive.
		12.00	CF 6194	Day's run   : 169 nm
			39°27'N	:     3 nm
			17°52'W	:  172 nm;  total  :  7835 nm
		14.19		Incoming Radio message (1352/15/164):  1.)  Lamby, Fenski, Fenn, Juli, Schneewind, Johannsen, Gelhaus and Jansen are combined into the Group Robbe and on 17 February at 12.00 hours should be in reconnaissance line from square CF 1671 to square 4575, course 290°, day's run 140 nm.
				2.)  . . . . . . . .   3.)  . . . . . . . .
		16.00	CF 6171
		20.00	CF 5382
		21.15 - 22.00	CF 5381	Dived for aircraft detection, horizontally polarized, 170 cm.
		16.02.43	Northeast of the Azores
		00.00	CF 5293
			NE 3-4, Sea 3, overcast, 1044 mb, Vis. medium, bright moonlit night
		00.05 - 01.00	CF 5293	Dived for aircraft detection, horizontally polarized, 168 cm.
		01.10 - 02.00	CF 5293	Dived for aircraft detection, horizontally polarized, 168 cm.
		03.06		Believe fuel take over in CF 5275 is dangerous.  Outgoing Short Signal:  Heavy air activity.  Meeting point unsuitable.  New meeting point should be naval square CF 5171.
				U-511
		04.00	CF 5258	Transit speed 13.5 knots.

	Sun and Moon Data 14.02.43
	Sun and Moon Data 15.02.43
	Sun and Moon Data 16.02.43

	- 31 -
		continued
		16.02.43
		08.00	CF 5158
		10.00	CF 5171	Am at meeting point.  Nothing seen.  Drove search courses.
		11.35		U-boat in sight in 255°T.  Recognition Signal exchange.  It is U-108.  Because U-108 is only limitedly clear to dive, Wolfram wants to set off to the west until darkness and give fuel at night.  I agree, it is closer to the patrol line.
		12.00	CF 5171	Day's run   : 235 nm
			39°32'N	:     8 nm
			22°16'W	:  243 nm;  total  :  8078 nm
		16.00	CF 4382
		20.00	CF 4371
		20.30		Began refueling.  At first tried in trail with 1 hose; however overview is too bad in darkness.  Boats lying next to each other 20-25 meters before the seas, both E-motors KF.  Took over with 2 hoses at the same time.  Worked well, especially since the hoses alternately leak or tear, so one could always pump with one hose.
		17.02.43	Northeast of the Azores
		00.00	CF 4295
			ENE 3, Sea 2-3, 8/10, 1048 mb, Vis. medium, bright moonlit night, low Swell
		04.00	CF 4297
		07.30		Fuel oil take over ended.  Took over 49 cbm.  Total fuel inventory 54 cbm, Wolfram says he will report.
		08.00	CF 4522	Went to patrol line.
		08.20 - 08.55		Test dive.
		12.00	CF 4255	Day's run   : 119 nm
			39°45'N	:     2 nm
			24°05'W	:  121 nm;  total  :  8199 nm

	Sun and Moon Data 16.02.43
	Sun and Moon Data 17.02.43

	- 32 -
		continued
		17.02.43
		16.00	CE 6363
		20.00	CE 6325
		18.02.43	North of the Azores
		00.00	CE 3977
			NEbyE 3, Sea 2, overcast, 1046 mb, bright moonlit night, Vis. good
		04.00	CE 3898
		08.00	CE 3894
		09.30 - 09.55		Test dive.
		12.00	CE 3849	Day's run   : 154 nm
			40°32'N	:     1 nm
			26°50'W	:  155 nm;  total  :  8354 nm
		13.23		Incoming Radio Message (1241/18/122):  Group Robbe head for position line from square CE 3147 to CE 6174 and occupy as patrol line.  On 19 February at 09.00 hours proceed in reconnaissance line on course 280°, day's run 140 nm.
		13.40		U-boat in sight in 200°T.  Recognition Signal exchange, it is U-569.  Because there have been 3 days without a navigation fix, compared position.  Set off 10 nm to the north and south.
		16.00	CE 3769
		20.00	CE 3754
		19.02.43	North of the Azores
		00.00	CE 3744	Back and forth in position in new patrol line.  Due to fuel inventory proceeded on E-motors now and then.
			E 1, Sea 0-1, overcast, 1039 mb, bright moonlit night, Vis. good
		04.00	CE 3741
		08.00	CE 2693
		09.30 - 10.00		Test dive, afterwards course 280°, speed 6.5 knots.

	Sun and Moon Data 17.02.43
	Sun and Moon Data 18.02.43
	Sun and Moon Data 19.02.43

	- 33 -
		continued
		19.02.43
		12.00	CE 2953	Day's run   : 105 nm
			40°48'N	:     2 nm
			28°50'W	:  107 nm;  total  :  8461 nm
		16.00	CE 2918
		17.18		Incoming Radio message (1702/19/139):  Group Robbe.  This evening after reaching position line from CE 2261 to CE 5267 remain in position as patrol line.  Continued westward transit not intended.
		20.00	CE 2826	Back and forth in position in new patrol line.
		20.02.43	North of the Azores
		00.00	CE 2834
			N 2, Sea 1-2, 9/10, 1030 mb, bright moonlit night, Vis. good
		04.00	CE 2826
		08.00	CE 2834
		09.45 - 10.00		Test dive.
		12.00	CE 2838	Day's run   :  99 nm
			40°54'N	:    1 nm
			29°41'W	:  100 nm;  total  :  8561 nm
		16.00	CE 2837
		20.00	CE 2834
		22.50		Incoming Radio Message (2213/20/.156):  1.)  Group Robbe.  From 21 February at 02.00 hours course 105°, economical transit speed.  2.)  . . . . . . . .
		21.02.43	North of the Azores
		00.00	CE 2826
			S 4, Sea 3, overcast, 1024 mb, Vis. good, bright moonlit night
		02.00		Came to course 105°T, speed 7 knots.
		04.00	CE 2839
		08.00	CE 2951

	Sun and Moon Data 19.02.43
	Sun and Moon Data 20.02.43
	Sun and Moon Data 21.02.43

	- 34 -
		continued
		21.02.43
		09.37		Incoming Radio Message (0917/21/163):  Group "Robbe" except for Lamby transit speed 10 knots.
		09.45 - 10.00		Test dive, afterwards course 105°, speed 10 knots.
		12.00	CE 3747	Day's run   : 141 nm
			40°35'N	:     1 nm
			28°16'W	:  142 nm;  total  :  8703 nm
		16.00	CE 378x
		16.55		Incoming Radio Message (1612/21/173):  Occupy the following attack areas: . . . . . . . .  Schneewind 82, 85, all naval square CG.  . . . . . . . .
				Course 1xx°, 8 knots.
		20.00	CE37bx
		22.02.43	Northeast of the Azores
		00.00	CE 6324
			SSE 2, Sea 1-2, 2/10, 1027 mb, bright moonlit night, Vis. very good
		04.00	CE 8324
		08.00	CE 8338
		09.30 - 09.50		Test dive.
		10.38		Incoming Radio Message (1002/22/200):  Boats of Group "Robbe".  Contrary to previous orders proceed so that ordered attack area is reached on 28 February.  Etc.
		12.00	CF 4251	Day's run   : 194 nm
			39°53'N	:     1 nm
			24°16'W	:  195 nm;  total  :  8898 nm
		14.40		Outgoing Radio Message (1404/22/106):  Request Fu.M.B. antenna from Stiebler.  42 cbm, SE 2, 8/10, 1029 mb, own position CF 4256.
		16.00	CF 4282

	Sun and Moon Data 21.02.43
	Sun and Moon Data 22.02.43

	- 35 -
		continued
		22.02.43
		17.35		Incoming Radio Message (1626/22/112):  1.)  To give an Fu.M.B. antenna Stiebler and Schneewind meet on 23 February at 16.00 hours in CF 7355.
				2.)  . . . . . . . .  Schneewind report completion and occupy ordered attack area.
				Came to course 155°.
		20.00	CF 4526
		23.02.43	East of the Azores
		00.00	CF 4592
			E 1, Sea 0-1, 2/10, 1030 mb, Vis. good, bright moonlit night
		04.00	CF 4839
		08.00	CF 4975
		09.15 - 09.45		Test dive.
		12.00	CF 7327	Day's run   : 177 nm
			37°17'N	:     2 nm
			23°06'W	:  179 nm;  total  :  9077 nm
		15.55		U-boat in sight in 220°T, it is U-461.
		16.00	CF 7355
		16.30		Took over the Fu.M.B. antenna.  Doctor visit on board.
		17.30		Continued transit to new attack area, course 90°.
		20.00	CF 7364
		22.39		Outgoing Short Signal:  Have completed task.  U-511.
		24.02.43	East of the Azores
		00.00	CF 8146
			EbyN 1, Sea 0-1, overcast, 1030 mb, Vis. medium, bright moonlit night
		04.00	CF 8165
		08.00	CF 8254
		09.00 - 10.55		Test dive.  Starboard shaft bangs strongly now even at KF.

	Sun and Moon Data 22.02.43
	Sun and Moon Data 23.02.43
	Sun and Moon Data 24.02.43

	- 36 -
		continued
		24.02.43
		12.00	CF 8264	Day's run   : 158 nm
			37°03'N	:     6 nm
			20°16'W	:  164 nm;  total  :  9241 nm
		16.00	CF 8354
		16.20		Steamer in 50°T, course 260°, 10 knots.  Maneuvered ahead.
		17.25		Dived, came to attack course.  It is the Swiss "MARPESSA", lies high out, apparently in ballast.  Prescribed markings.
		20.00	CF 8343	Surfaced, continued transit.
		25.02.43	East of the Azores
		00.00	CF 8361
			NE 2, Sea 1, overcast, 1036 mb, Vis. good, bright moonlit night
		04.00	CF 9143
		08.00	CF 9161
		08.45		Dived, proceed submerged for a while to save fuel and am already close to the attack area.
		12.00	CF 9161	Day's run   : 131 nm
			37°06'N	:   14 nm
			17°49'W	:  145 nm;  total  :  9386 nm
		12.07		Surfaced.
		15.00		Dived.
		16.00	CF 9163
		17.00		Surfaced.
		20.00	CF 9243
		22.15		2 brightly illuminates steamers in 220°T, course 100°, speed 10-12 knots.  Continued transit.
		26.02.43	Southwest of Portugal
		00.00	CF 9265
			NbyE 3, Sea 2-3, 1/10, 1036 mb, Vis. good
		04.00	CF 9346

	Sun and Moon Data 24.02.43
	Sun and Moon Data 25.02.43
	Sun and Moon Data 26.02.43

	- 37 -
		continued
		26.02.43
		08.00	CF 9364
		12.00	CF 9366	Day's run   : 130 nm
			37°00'N	:   11 nm
			15°10'W	:  141 nm;  total  :  9527 nm
		12.12		Surfaced.
		12.20 - 14.38	CF 9366	Dived for aircraft horizontally polarized detection 168 cm.
		16.00	CG 7145
		16.29 - 18.47	CG 7145	Dived for aircraft horizontally polarized detection 168 cm.
		18.50 - 20.25	CG 7142	Dived for aircraft horizontally polarized detection 168 cm.
		20.00	CG 7119
		27.02.43	Southwest of Portugal
		00.00	CG 7137
			NEbyN 4, Sea 3, 4/10, 1029 mb, Vis. changing
		00.35 - 01.12	CG 7138	Dived for aircraft horizontally polarized detection 168 cm.
				Very fast, growing fainter propeller sounds in 13°T.  Pursued on surfacing.
		01.30 - 02.52	CG 7139	Dived for aircraft horizontally polarized detection 168 cm.
				Nothing more heard.  Continued transit.
		04.00	CG 7218
		04.19 - 06.10	CG 7219	Dived for aircraft horizontally polarized detection 166 cm.
		06.17 - 07.50	CG 7139	Dived for aircraft horizontally polarized detection 166 cm.
		08.00	CG 7251
		09.45		Dived to proceed submerged.
		12.00	CG 7265	Day's run   :  74 nm
			37°01'N	:   35 nm
			12°57'W	:  109 nm;  total  :  9636 nm
		16.00	CG 7269
		20.00	CG 7347
		20.10		Surfaced.

	Sun and Moon Data 26.02.43
	Sun and Moon Data 27.02.43

	- 38 -
		28.02.43	Southwest of Portugal
		00.00	CG 7358
			SE 3, Sea 2, 1020 mb, overcast, thunder showers, Vis, changing
		02.51	CG 7392	Dived for aircraft horizontally polarized detection 168 cm.
		03.40		Propeller sounds in 346°T.
		04.04	CG 7393	Surfaced, steamer lights in 320°T, steamer steers westerly course. Dived for aircraft horizontally polarized detection 168 cm.
		05.45		Propeller sounds in 200°T.
		06.20		Surfaced, steamer lights in 200°T, Continued on.  Steamer steered about 20-30°.
		07.34	CG 8149	Dived for aircraft horizontally polarized detection 168 cm.
		08.00	CG 8149
		11.35		Propeller sounds in 145°T, it is a German U-boat, type VIIc, course about 130°.
		12.00	CG 8158	Day's run   :  69 nm
			36°55'N	:  39 nm
			10°56'W	:  108 nm;  total  :  9744 nm
		15.20		Incoming Radio Message (1445/28/159):  Group "Robbe".  Today at 08.25 hours convoy, 22 loaded ships 2 corvettes, 1 escort vessel, departed for the Atlantic.
				Operated on the convoy so that it would be picked up on courses of 270° to 285° at speeds of 8-10 knots.
		16.00	CG 8159
		20.00	CG 8168
		20.10		Surfaced.
		21.00	CG 8274	Reached the western limit of the attack area.
		01.03.43	Southwest of Portugal
		00.00	CG 8524
			SEbyE 1, Sea 1, 6/10, 1023 mb, Vis. changing
		04.00	CG 8582
		08.00	CG 8564
		08.04	CG 8564	Dived for aircraft horizontally polarized detection 167 cm.

	Sun and Moon Data 28.02.43
	Sun and Moon Data 01.01.43

	- 39 -
		continued
		01.03.43
		10.04	CG 8274	Flying boat in 20°T, course about 320°, distance 20000 meters, observed from the periscope.
		12.00	CG 8561	Day's run   :   98 nm
			36°18'N	:   30 nm
			9°22'W	:  128 nm;  total  :  9872 nm
		12.40	CG 8561	Tried to operate again on the surface.
				Surfaced and dived for aircraft horizontally polarized detection 167 cm.
		16.00	CG 8553
		18.55		Propeller sounds of a piston engine in 42°T.
		19.02		Shortly after one another 2 detonations, medium range, after briefly going deep again at periscope depth.  In 0°T and old corvette of fishing trawler, course northwest, distance 5000 meters, otherwise nothing seen.  In the meantime a fast running propellers was still heard.
		20.00	CG 8552
		20.50		Surfaced, pursued in 320°T.
		22.35	CG 8515	1 shadow in 305°T, followed by 4 more widely separated, disappeared immediately in fog.  Pursued.
			SE 3, Sea 3, 6/10, 1021 mb, very misty, fog clouds, Vis. very bad, bright marine phosphorescence
		23.08 - 23.18		Dived to listen.  In 315°T and 355°T each one piston engine, shifted to the left.  Pursued on course 310°.
		23.36		1 shadow in 323°T, despite low range cannot tell what type.  Course is about northwest, speed 10 knots.  Disappeared again in fog.  Closed on course 320°.
		23.50		Outgoing Short Signal:  Convoy CG 8433, course 310°.
				U-511.
		23.55	CG 8433	Strong detonation and 20-30 meter high water column in the wake, 200 meters away.  Nothing seen.  Suspect aircraft or artillery, however no muzzle fire seen.  Dove.  Quickly approaching propeller sounds were heard immediately.  Patrol vessel with piston engine overran the boat.  Went to depth 2A meters.  A second patrol vessel with a piston engine approaches.  Asdic and listening pursuit.  Apparently the boat was not detected despite the strongly banging shaft.  Patrol vessels slowly move off.
		02.03.43	Southwest of Portugal
		00.00	CG 8433
			SE 3, Sea 3, overcast, wafts of fog, 1021 mb, Vis. very bad, bright marine phosphorescence

	Sun and Moon Data 01.03.43
	Sun and Moon Data 02.03.43

	- 40 -
		continued
		02.03.43
				Suspect a patrol vessel either located us [by radar] or saw our very bright phosphorescent wake and shot with artillery.
		02.10		Surfaced, pursued.  Have 20 cbm fuel.  Intention is:  pursue until 18 cbm, afterwards return transit because I assume that there is no further supply for me, otherwise I would have been supplied by Stiebler when I was given the Fu.M.B.
		02.37		Outgoing Radio Message (2355/1/187):  5 shadows naval square CG 8433, course NW, 10 knots.  Artillery fire out of the fog.  Listening pursuit.  20 cbm, return transit at 18 cbm, SE 2, 1021 mb.
		02.50	CG 8435	Aircraft shadow in 340°T, course SE.  At the same time horizontally polarized detection 168 cm.  Dived.  Broke off pursuit because now there is no longer enough fuel to pursue.
		04.00	CG 8437
		05.24		Surfaced.  Began return transit.
		08.00	CG 8183	Dived to proceed submerged.  Course 0°.
		12.00	CG 8156	Day's run   :   71 nm
			37°01'N	:   51 nm
			10°50'W	:  122 nm;  total  :  9994 nm
		16.00	CG 8153
		20.00	CG 8131
		20.10		Surfaced.
		03.03.43	West of Portugal
		00.00	CG 5761
			SSE 3, Sea 2, 9/10, 1018 mb, Vis. changing
		04.00	CG 5494
		05.05		Steamer lights in 340°T, it was a Spanish steamer, course 200°, 8-10 knots, about 5000 GRT.
		09.50 - 10.13		Test dive.
		11.00		An old corvette or patrol vessel in 80°T out of a rain cloud, course 200°, 2 nm away.  Squat ship form, box bridge, one mast at the forward edge of the bridge, gray paint.

	Sun and Moon Data 02.03.43
	Sun and Moon Data 03.03.43

	- 41 -
		continued
		03.03.43
				Dived, with the clouds continuing to break up nothing seen in the vicinity of the patrol vessel.
		11.08		4 depth charges far off.  Patrol vessel moves off.  Remained submerged, because now aircraft are to be expected.
		12.00	CG 5197	Day's run   : 117 nm
			39°19'N	:   24 nm
			10°38'W	:  141 nm;  total  :  10135 nm
		16.00	CG 5194
		16.20		2 detonations, far off, apparently scare aircraft bombs.
		20.00	CG 5167
		20.20		Surfaced.
		04.03.43	West of Portugal
		00.00	CG 2797
			SW 3-4, Sea 3, overcast, 1012 mb, rain showers, Vis. bad
		04.00	CG 2737
		08.00	CG 2499	Dived to proceed submerged.
		12.00	CG 2493	Day's run   : 116 nm
			41°20'N	:   24 nm
			10°21'W	:  140 nm;  total  :  10275 nm
		13.20 - 16.30		Continual depth charges or aircraft bombs heard, far off.
		16.00	CG 2469
		20.00	CG 2463
		05.03.43	West of Portugal
		00.00	CG 2193
			SSE 3, Sea 2-3, overcast, rain showers, 1019 mb, Vis. bad, marine phosphorescence
		03.37 - 05.40	CG 2136	Dived for aircraft horizontally polarized detection 168 cm.

	Sun and Moon Data 03.03.43
	Sun and Moon Data 04.03.43
	Sun and Moon Data 05.03.43

	- 42 -
		continued
		05.03.43
		04.00	CG 2136
		07.50		Dived to proceed submerged.
		08.00	BF 7793	Switched to Coastal Circuit.
		12.00	BF 7847	Day's run   :  88 nm
			43°14'N	:   28 nm
			10°14'W	:  116 nm;  total  :  10391 nm
		16.00	BF 7845
		20.00	BF 7843	Surfaced.
		23.00	BF 7597	Dived for horizontally polarized detection 142 cm, nothing seen and nothing heard.
		06.03.43	Bay of Biscay
		00.00	BF 7598
			NE 4, Sea 3, 4/10, 1030 mb, Vis. changing
		00.35		Surfaced.
		04.00	BF 7646
		07.05		Outgoing Short Signal:  Am 48 hours off meeting point with escort.    U-511.
		07.30		Dived to proceed submerged.
		08.00	BF 7631
		12.00	BF 7398	Day's run   :   94 nm
			44°46'N	:   28 nm
			8°06'W	:  122 nm;  total  :  10513 nm
		14.20		Incoming Radio Message (0955/6/66):  Schneewind go to Lorient.
		16.00	BF 7396
		20.00	BF 7366	Surfaced.
		07.03.43	Bay of Biscay
		00.00	BF 8123
			EbyN 4, Sea 3, 9/10, 1029 mb, Vis. changing
		00.35 - 00.45		Dived due to false detection alarm.
		00.48 - 02.15	BF 8123	Dived for aircraft horizontally polarized detection 168 cm.
		02.35 - 04.02	BF 4999	Dived for aircraft horizontally polarized detection 168 cm.

	Sun and Moon Data 05.03.43
	Sun and Moon Data 06.03.43
	Sun and Moon Data 07.03.43

	- 43 -
		continued
		07.03.43
		04.00	BF 5777
		07.20		Dived to proceed submerged.
		06.00	BF 5752
		12.00	BF 5753	Day's run   : 83 nm
			46°11'N	:  33 nm
			6°04'W	:  116 nm;  total  :  10629 nm
		16.00	BF 5737
		20.00	BF 5734	Surfaced.
		22.40 - 24.00	BF 5571	Dived for aircraft horizontally polarized detection 168 cm.
		08.03.43	Bay of Biscay
		00.00	BF 5571	Reached Point "Kern".  Course 55°.
			NE 4, Sea 3, 1/10, 1022 mb, misty
		04.00	BF 5532
		06.14		Recognition Signals exchanged with 2 Vorpostenbooten.
		07.00		Sperrbrecher in sight.
		07.20		Taken under Sperrbrecher escort.
		09.00		Made fast in Lorient Harbor A.
				Day's run   : 127 nm
				:   34 nm
				:  161 nm;  total  :  10790 nm
				On board, 8 March 1943.
				Kapitänleutnant and Kommandant.

	Sun and Moon Data 07.03.43
	Sun and Moon Data 08.03.43

 

	Enclosures to U-511's KTB - click on the text at left to proceed to the document
ChartA	Track chart of entire patrol
ChartB	Track chart of convoy operation 8-11 January 1943

 

	Comments of the Befehlshabers der Unterseeboote
	on the K.T.B. of "U-511" from 29.11.42 - 8.3.43.
	First operation of the Kommandanten with an experienced boat.
	The Kommandant operated deliberately and correctly at the "Schneider"- and "Johannsen"-convoys.  Unfortunately the attack on 11 January took place from an unfavorable position and as a result remained unsuccessful.
	On 1 March 22.25 hours there was an attack opportunity, which however, was not perceived by the Kommandant due to very poor visibility and a lack of experience.  A quick and determined approach and shooting should have led to success here.
	The Kommandant experienced an experienced defense and strong air in both operations. The educational experiences and success against the independent constitute a good profit for the Kommandant on this patrol.
	Accredited success:
	1 MA                    5004 GRT     sunk.
		For the Befehlshaber der Unterseeboote
		- The Chief of the Operations Department -

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