U-666 - 3rd War Patrol

Translation by Jerry Mason with help from Andi Forster

Click the icon to download a KMZ file displaying the U-boat track, significant events and locations for this patrol.  You must have Google Earth loaded on your computer to view this file.  Download Google Earth here

Ships Hit
Date	KTB Time	Position	Ship	Tons	Nationality	Convoy
23 Sep 43	02.01	53°09'N, 39°55'W	HMS ITCHEN (K 227)	1,370	British	ON-202
			Total = 1,370
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.

			3rd Patrol.                                          Copy No. . . . . . 7. . . . .
				Geheime Kommandosache  !
			K  r  i  e  g  s  t  a  g  e  b  a  c  h
			"  U  666  "                     Beginning:               9.7.1943             Concluding:             16.10.1943.
			Kommandant:	Oblt. z. See    E  n  g  e  l  ,  Herbert
			Distribution:           O.K.M. Copy No.: 1 O.K.M. Copy No.: 2 B.d.U. Copy No.: 3 Komd. Adm. d. U.-Boote Copy No.: 4 F.d.U. - West Copy No.: 5 F.d.U. - Ausb. Copy No.: 6 27. U.-Flottille Copy No.: 7   6. U.-Flottille Copy No.: 8
			Enclosures:           1 Track chart for Copy No.: 2, 3, 4, 5, 6, 7, 8. Route chart of convoy operation   "      "      " 3 and 8. Excerpt of the Radio Log   "      "      " 2, 3, 4, 5, 6, 7, 8. K.T.B. Maschine   "      "      " 3 and 8. Combat sketches   "      "      " 3 and 8. Torpedo firing reports   "      "      " 3, 4 and 8. Barograph strips   "      "      " 5.
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Click the flag to view the above page from the original German KTB

	- 1 -
		09.07. - 31.08.43		Shipyard period.
		19.08.43		Sea trial.
		31 08.43
		17.15		Ready for sea.
		17.50		Made fast in the lock.
		18.00		Put to sea from St. Nazaire for 3rd war patrol.
		19.00		Taken in convoy.
		20.00	BF 6439
			WSW 1, Sea 0, clear, 1021 mb
		24.00	BF 6495
			WSW 1, Sea 1, clear, 1021 mb
_______________________________________________________________________________________
		01.09.43	Bay of Biscay
		04.00	BF 6755
			NW 2, Sea 1, lightly cloudy, 1020 mb
		07.30		Beginning of twilight.
		07.45		Reached Point "Morgen", deep dive test.
		08.00	BF 6778
			NW 1, Sea 0, lightly cloudy, 1020 mb
		08.45		Surfaced.
		09.00		Released from convoy.
		09.15		Dived, proceeded submerged at depth A -20 meters.
		12.00	BF 6778	Day's run:    Surfaced      120 nm
				Submerged    12 nm
				132 nm
		16.00	BF 6777
		20.00	BF 6779
		24.00	BF 5898	Surfaced.
_______________________________________________________________________________________
		02.09.43
		04.00	BF 5799	Dived, proceeded submerged at depth A -20 meters.
			WbyS 3, Sea 2, overcast, 1021 mb
		08.00	BF 5798
		12.00	BF 5797	Day's run:    Surfaced      65 nm
				Submerged   33 nm
				98 nm
		16.00	BF 5789
		20.00	BF 5788
		23.30		Surfaced.
		24.00	BF 5787
			Wind calm, Sea 1, half overcast, 1021 mb
_______________________________________________________________________________________

	Sun and Moon Data 31.08.43
	Sun and Moon Data 01.09.43
	Sun and Moon Data 02.09.43

	- 2 -
		03.09.43	Bay of Biscay
		01.30		Power supply transformer "Hagenuk" burnt through, began return transit.
		02.00		Dived.
		04.00	BF 5777	Surfaced.
			Wind calm, Sea 1, 3/4 overcast, 1021 mb
		04.16		Outgoing Radio Message 0358/3/33:  "Hagenuk" failed, power supply transformer burnt through, return transit.  Position 4 September 15.00 ours Point "Herz 438".
		04.38		Dived.
		08.00	BF 5779
			Wind calm, Sea 1, 1/2 overcast, 1021 mb
		12.00	BF 5788	Day's run:    Surfaced      43 nm
				Submerged   28 nm
				71 nm
		14.15		Incoming Radio Message 0903/3/35:  For "U-666" escort will be positioned at Herz 438" on 4 September 1943 at 15.00 hours.
		16.00	BF 5789
		20.00	BF 5797
		22.30		Surfaced.
		24.00	BF 5877
			SE 3, Sea 2, clear, 1020 mb
_______________________________________________________________________________________
		04.09.43
		04.00	BF 5884
			SEbyS 3, Sea 2, cloudless, 1020 mb
		08.00	BF 5896
			ESE 2, Sea 2, lightly cloudy, 1021 mb
		12.00	BF 6776	Day's run:    Surfaced      132 nm
			SSE 2, Sea 1, lightly cloudy, 1021 mb	Submerged    36 nm
				168 nm
		14.00		Positioned at Point "Herz 438", taken in convoy.
		16.00	BF 6469
			SE 1, Sea 0, 1/2 overcast, 1021 mb
		19.10		Made fast St. Nazaire.
_______________________________________________________________________________________
		04. - 06.09.43		Repair work.
		06.09.43
		18.15		Ready for Sea.
		18.30		Made fast in the lock.
		20.20		Put to sea from St. Nazaire for war patrol.

	Sun and Moon Data 03.09.43
	Sun and Moon Data 04.09.43
	Sun and Moon Data 06.09.43

	- 3 -
		continued
		06.09.43	Bay of Biscay
		20.30		Taken in convoy.
		24.00	SW 3, Sea 2, 1/3 overcast, 1022 mb	Operations in accordance with Operations Order "Atlantic No. 54".
			BF 6492
_______________________________________________________________________________________
		07.09.43
		04.00	BF 6722
			E 1, Sea 1, 3/4 overcast, 1020 mb
		06.53		Reached Point "Morgen", deep dive test.
		08.00	BF 6778
			E 3, Sea 1, half overcast, 1020 mb
		08.55		Surfaced, released from convoy.
		09.25		Dived, proceeded submerged at depth A -20 meters.
		12.00	BF 9126	Day's run:    Surfaced      122 nm
				Submerged    14 nm
				136 nm
		16.00	BF 9124
		20.00	BF 9114
		22.44		Surfaced.
		24.00	BF 8326
			NNW 3, Sea 2, half overcast, 1021 mb
_______________________________________________________________________________________
		08.09.43
		04.00	BF 8222
		04.43		Dived, proceeded submerged at depth A -20 meters.
		08.00	BF 8213
		12.00	BF 8211	Day's run:    Surfaced       80 nm
				Submerged    45 nm
				125 nm
		16.00	BF 8133
		20.00	BF 8132
		23.50		Surfaced.
		24.00	BF 4999
_______________________________________________________________________________________
		09.09.43
		03.05		Dived, proceeded submerged at depth A -20 meters.
		04.00	BF 4979
			ESE 3, Sea 2, overcast, 1019
		08.00	BF 4949
		12.00	BF 4947	Day's run:    Surfaced       35 nm
				Submerged    42 nm
				77 nm
		16.00	BF 4899
		20.00	BF 4895
		24.00	BF 4894	Surfaced.
_______________________________________________________________________________________

	Sun and Moon Data 06.09.43
	Sun and Moon Data 07.09.43
	Sun and Moon Data 08.09.43
	Sun and Moon Data 09.09.43

	- 4 -
		10.09.43	Bay of Biscay
		03.30		Dived, proceeded submerged at depth A -20 meters.
		04.00	BF 4796
			WSW 3, Sea 3, overcast, rain
		08.00	BF 4795
		12.00	BF 4794	Day's run:    Surfaced      43 nm
				Submerged   37 nm
				80 nm
		16.00	BF 4786
		20.00	BF 4782
		22.17		Officer Only Radio Message Fritz 1853/10/95:  Objective is AK 63.  Should be reached by evening 20 September.
		23.50		Surfaced.
		24.00	BF 4781
_______________________________________________________________________________________
		11.09.43
		01.15		Dived, proceeded submerged at depth A -20 meters.
		04.00	BF 4771
		08.00	BE 6993
		12.00	BE 6968	Day's run:    Surfaced      21 nm
				Submerged   39 nm
				60 nm
		16.00	BE 6967
		20.00	BE 6959
		22.30		Surfaced.
		24.00	BE 6946
			SE 4-5, Sea 4, 3/4 overcast, 979 mb
_______________________________________________________________________________________
		12.09.43	North Atlantic
		00.25		Dived, proceeded submerged at depth A -20 meters.
		04.00	BE 6852
			E 4, Sea 3, 1/2 overcast
		08.00	BE 6843
		12.00	BE 6842	Day's run:    Surfaced      72 nm
				Submerged   32 nm
				104 nm
		16.00	BE 6818
		20.00	BE 6817
		23.00		Surfaced.
		24.00	BE 6737
			N 5, Sea 5, overcast, rain, 998 mb
_______________________________________________________________________________________
		13.09.43
		02.55		Dived, proceeded submerged at depth A -20 meters.
		04.00	BE 6715
			N 6, Sea 5, at times rain
		08.00	BE 5933
		12.00	BE 5932	Day's run:    Surfaced      47 nm
				Submerged   47 nm
				94 nm

	Sun and Moon Data 10.09.43
	Sun and Moon Data 11.09.43
	Sun and Moon Data 12.09.43
	Sun and Moon Data 13.09.43

	- 5 -
		continued
		13.09.43	North Atlantic
		16.00	BE 5931
		20.00	BE 5923
		22.45		Surfaced.
		24.00	BE 5678
			NNW 6, Sea 5, 3/4 overcast
_______________________________________________________________________________________
		14.09.43
		04.00	BE 5594
			NNW 2, Sea 3, overcast, 1015 mb
		04.18		Outgoing Short Signal:  My position is BE 55.
		05.00		Dived, proceeded submerged at depth A -20 meters.
		08.00	BE 5583
			NNW 3, Sea 3, overcast, 1015 mb
		12.00	BE 5555	Day's run:    Surfaced      59 nm
				Submerged   38 nm
				97 nm
		16.00	BE 5543
		16.30		Switched to "Ireland" Circuit/
		20.00	BE 5515
		21.49		Surfaced.
		24.00	BE 5192
			W 3, Sea 3, 3/4 overcast
_______________________________________________________________________________________
		15.09.43
		04.00	BE 5122
			W 5, Sea 4, overcast, 1018 mb
		05.30		Dived, proceeded submerged at depth A -20 meters.
		08.00	BE 5121
			SW 4, Sea 4, overcast, 1018 mb
		12.00	BE 2779	Day's run:    Surfaced      68 nm
				Submerged   46 nm
				114 nm
		16.00	BE 2771
		18.23		Cathode ray tube "Hagenuk" cracked, switched to aural reception.
		20.00	BE 1969
		21.43		Surfaced.
		22.59		Officer Only Radio Message Viktor 1847/15/104:  Boat belongs to Group "Leuthen".  On 20 September 20.00 hours be in patrol line from AK 3441 to AL 4762.
				Headed according to the 15th position in the patrol line AL 2140.
		24.00	BE 1937
			WSW 3, Sea 2, 3/4 overcast, 1018 mb
_______________________________________________________________________________________
		16.09.43
		04.00	BE 1684
			W 3, Sea 3, 1/2 overcast, 1018 mb

	Sun and Moon Data 13.09.43
	Sun and Moon Data 14.09.43
	Sun and Moon Data 15.09.43
	Sun and Moon Data 16.09.43

	- 6 -
		continued
		16.09.43	North Atlantic
		08.00	BE 1641	Difference between dead reckoning and actual position after a navigation fix: 278°T, 38.5 nm
		08.30		Beginning of twilight.
		08.45		Dived, proceeded submerged at depth A -20 meters.
		12.00	BE 1512	Day's run:    Surfaced       84 nm
				Submerged    40 nm
				124 nm
		16.00	BE 1274
		20.00	BE 1193
		20.50		Officer Only Radio Message Paula 1626/16/120:  From 21 and 23 September each a westbound convoy expected.  No operation on eastbound convoys.
		21.30		Surfaced.
		24.00	BE 1137
			W 4, Sea 3, overcast, at times rain, 1029 mb
_______________________________________________________________________________________
		17.09.43
		04.00	AL 7886
			WNW 4, Sea 3, overcast, Vis. bad, 1031 mb
		08.00	AL 7851
			W 2-3, Sea 2, overcast, Vis. 3000 meters, 1031 mb	Due to bad visibility proceeded submerged.
		08.35		Beginning of twilight.
		08.50		Dived, proceeded submerged at depth A -20 meters.
		12.00	AL 7824	Day's run:    Surfaced        74 nm
				Submerged    29 nm
				113 nm
		16.00	AL 7559
		20.00	AL 7572
		21.45		Surfaced.
		24.00	AL 3, Sea 2, overcast, 1029 mb
_______________________________________________________________________________________
		18.09.43
		04.00	AL 7435
			WNW 3, Sea 2, 1/3 cloudy, Vis. medium, 1029 mb
		08.00	AL 7168
			WSW 3-4, Sea 2, overcast, Vis. bad, 1024 mb	Visibility is unchanged bad, proceeded submerged.
		08.35		Beginning of twilight.
		08.50		Dived, proceeded submerged at depth A -20 meters.
		12.00	AL 7161	Day's run:    Surfaced        68 nm
				Submerged    33 nm
				101 nm
		16.00	AL 7129
		20.00	AL 7126
		22.00		Surfaced.
		24.00	AL 4785
			WSW 2-3, Sea 2, thick fog, 1023 mb

	Sun and Moon Data 16.09.43
	Sun and Moon Data 17.09.43
	Sun and Moon Data 18.09.43

	- 7 -
		19.09.43	North Atlantic
		04.00	AL 4743
			WSW 4, Sea 3, overcast, misty, 1020 mb
		08.00	AL 4475
			SW 4, Sea 3, overcast, fog, 1017 mb
		08.25		Brief detection on 172 cm.
		08.50		Dived, proceeded submerged at depth A -20 meters.
		11.58		Several detonations heard.
		12.00	AL 4471	Day's run:    Surfaced       64 nm
				Submerged    27 nm
				91 nm
		16.00	AK 6639
		18.58		Radio Message 1010/19/170:  "Leuthen".  Passing of westbound convoy can be expected from today.  Operate on it on sighting.
		20.00	AK 6632
		21.50		Surfaced.
		22.16		Short Signal:  Convoy in AK 0345.
				In accordance with Radio Message 1010/19/170 operated on it HF, course 310°.  Jumped in as radio repeater, control did not acknowledge.
		24.00	AL 4186
			NW 4, Sea 3, changing cloudiness, 1026 mb
_______________________________________________________________________________________
		20.09.43
		03.52		Short Signal 0352/20/184:  From "Otto":  Convoy in AL 1944, course 270°.
				Jumped in as radio repeater, Control acknowledged.
			Due to the high W-Swell at most I can operated at HF.
		04.00	AL 4145
			WbyN 3, Sea 3, overcast, 1026 mb
		08.00	AL 6353
			NbyW 3, Sea 3, overcast, Vis. medium, 1027 mb
		08.46		Short Signal:  0846/20/187: From "Hepp": Convoy in AK 0318, course west.
		11.36		Short Signal 1136/20/195: From "Techand":  Convoy in AK 3931, course west.
				Continued to operate on reports from "Hepp" and   "Techand" at LF, course 310°.
		11.12		Radio Message 1050/20/193:  "Leuthen":  On 21 September at 08.00 hours switch to "Hubertus" Circuit.
		12.00	AK 6314	Day's run:    Surfaced      161 nm
			WNW 3, Sea 2, overcast, 1024 mb	Submerged      4 nm
				165 nm

	Sun and Moon Data 19.09.43
	Sun and Moon Data 20.09.43

	- 8 -
		continued
		20.09.43	North Atlantic
		16.00	AK 3983
			WbyN 2-3, Sea 2, changing cloudiness, 1026 mb
		16.07		Detection on 145 cm, dived.
		17.00	AK 3983	Surfaced, immediate location again, dove.
				After 20 minutes several well-placed aircraft bombs.  From 18.00 hours regularly 2-6 aircraft bombs, however which appear more distant.
		19.50	AK 3958	Sound bearing in 200°T.
		20.00	AK 3958	Up to 22.00 hours regularly 7-8 depth charges, some are well-placed.
			WbyN 2-3, Sea 2, changing cloudiness, 1026 mb
		22.25 -		No further sound bearings.
		22.50	AK 3957	Surfaced.  Nothing seen.  While blowing detection on 145 cm, remained on the surface and manned the quad 20 mm.  At times the detection goes off, but appears again as a steady tone.
				5 Aphrodite launched.
		23.20		Radio Message 2054/20/120:  Leadership expects that the convoy continues on the Great Circle.  Continue to search at highest speed on enemy courses between 280° and 240°.  Starting point AL 3930.
				At GF steered search courses in accordance with the above Radio Message.
		23.57	AK 3949	Detection on 172 cm.  Shuts off and reappears as steady tone up to 30 seconds.
		24.00	AK 3949	Star shells bearing 320°T.  Closed at GF.
			WbyN 3, Sea 2, lightly cloudy, 1026 mb
_______________________________________________________________________________________
		21.09.43
		03.24		Radio Message 1813/20/106:  By Short Signal from   "Kinzel" all boats remain on the surface.  Advance at highest speed on the convoy.  Mass boats around the convoy to release the victims.
		04.00	AK 0255
			WNW 2, Sea 1, 1/2 cloudy, 1030 mb
		08.00	AK 2923	Difference between dead reckoning and actual position after a navigation fix: 170°T, 3 nm.
			W 1, Sea 0, lightly cloudy, 1030 mb
				Switched to "Hubertus" Circuit in accordance with Radio Message 1050/20/193:
		10.10		Radio Message 0826/21/138:  "Leuthen".  By the report of "Kluth" and plotting at 03.44 hours the convoy was in AK 2927, course 270°, speed 9 knots.

	Sun and Moon Data 20.09.43
	Sun and Moon Data 21.09.43

	- 9 -
		continued
		21.09.43
		10.34		Radio Message 1010/21/865:  "Leuthen".  By day use opportunities on destroyers.  At night main blows against ship groups.
		10.45		Dived for sound bearings due to bad visibility.  Nothing heard.
		12.00	AK 1899	Day's run:    Surfaced      194 nm
			WSW 2, Sea 1, thick fog, 1030 mb	Submerged    20 nm
				214 nm
		12.20		Surfaced.
		12.28		Radio Message 1000/21/870 from "Kluth".  Heard convoy voice bearing 187°T AK 0167.
				Operated on "Kluth" report.
		15.32		Radio Message 1408/21/879:  "Leuthen".  Operate on "Kluth" report.
		16.00	AK 0115
			SW 2, Sea 1, thick fog, at times rain, 1027 mb
		19.55		Radio Message 1832/21/894:  "Luthen".  Enemy position "Kluth" is certainly the convoy.
		20.00	AK 1954
			SW 2, Sea 1, overcast, 1029 mb
		21.10		Short Signal 2110/21/899 from "Deecke".  Convoy AK 5173, course 225°, 7 knots.
				Operated on "Deecke" report at GF, course 160°.  By plotting should be at the convoy at 03.00 hours.
		24.00	AK 4342
			SW 3, Sea 2, thick fog, 1026 mb
_______________________________________________________________________________________
		22.09.43
		02.5x	AK 4625	Dived to listen.  Nothing heard.
		03.55		Surfaced.
			Continued to operate on course 240° to be sure to be ahead of the convoy.
		04.00	AK 4619
			SW 2, Sea 2, thick fog, 1024 mb
		08.00	AK 4562
			NW 3, Sea 2, fog, 1022 mb
		12.00	AK 4763	Day's run:    Surfaced     310 nm
			SW 4, Sea 3, fog, at times rain, 1021 mb	Submerged     6 nm
				316 nm

	Sun and Moon Data 21.09.43
	Sun and Moon Data 22.09.43

	- 10 -
		continued
		22.09.43	North Atlantic
		16.00	AK 7122
			SW 3, Sea 3, fog, at times rain, 1020 mb
		19.35	AK 7145	Crash dive for approaching aircraft, 6000 meters away.
			Because by enemy reports and plotting I am 60 nm ahead of the convoy, I remained submerged, until the convoy is closer.  My suspicion was later confirmed.
		20.00	AK 7147
			SW 3, Sea 3, overcast, fog, 1020 mb
		24.00	AJ 9366
_______________________________________________________________________________________
		23.09.43
		00.05		Sound bearing in 160°T.
		00.20		Surfaced.  At GF and course 160° ran towards the sound bearing, nothing seen.
		01.05		Maneuvered ahead a bit on course 270°.
		01.20		Ran to meet on course 85°.
		01.45	AK 7147	Shadow bearing 120°T.  2 large escort destroyers are distinguished.  The course of the vessels is about SW.  Beginning range about 6000 meters.  Speed 12-14 knots.
			It was probably the forward close escort.
				Turned away for a stern shot.
		01.47	AK 7147	To Action Stations.
		01.56		Stern shot T V on destroyer in starboard echelon.
				Shooting data:
				Target angle 0°, enemy speed 15 knots.
				Range 4000 meters.
				Torpedo depth 4 meters, steering WS.
				Remained on the surface and turned towards for a bow shot on the second destroyer.  Destroyer initially was about enemy bow right, target angle 110°, range 2000 meters, speed 12 knots.
				From the listening room detection reported on 140 cm, when the destroyer also turned towards the boat and increased speed.

	Sun and Moon Data 22.09.43
	Sun and Moon Data 23.09.43

	- 11 -
		continued
		23.09.43
		02.01	AK 7147	Bow shot T V from tube II.
				Shooting data:
				Target angle 0°, enemy speed 15 knots.
				Range 1500 meters.
				Torpedo depth 4 meters, steering WS.
				Destroyer illuminates searchlight and immediately picked up the boat.  Artillery fire, 2 hits in the conning tower.
		02.02		Crash dive!
				When the boat was at 20 meters, ahead to starboard an extremely heavy detonation.
				Running time of the II torpedo 1 minute 10 seconds.
				Shortly thereafter a heavy detonation to port.
				Running time of the I torpedo 8 minutes 21 seconds.
				Sinking sounds heard to starboard in the boat, heard to port in the GHG.  No further propeller sounds.  5 depth charge detonations to port, suspect own depth charges of the sinking destroyers, then nothing more was heard.
			Suspect that the II torpedo made a direct hit, the range at hitting was below 1000 meters.
		02.45	AK 7147	Was run over by the convoy.
		04.00	AK 7147
		04.10		Overrun by the stern screen.  Asdic and strong propeller sounds.  Boat steered at depth A +40 meters.  No depth charges.
			It seemed that there was only 1 destroyer astern, which drove in wild zigzags through the area.
				Surfaced.  There were a few failures in the boat from the detonation to starboard.  Oil trace from main ballast and reserve fuel oil tank 4 starboard.  Sheet metal damage from the artillery hit.  Various objects were found on the bridge, among them a tin can with English writing and 2 English coins from the year 42 and 43.  Set off for repairs.
		06.06		Outgoing Radio Message 0201/23/871:  Just now AK 7147 two leading destroyers sunk.  02.45 hours overrun by convoy, course 225°.
		07.40		Dived, proceeded submerged at depth A -20 meters.
				Reloaded.
		08.00	AK 7159
			W 3, Sea 2, overcast, Vis. medium, 1030 mb
		10.58		Radio Message 1012/23/876:  "Leuthen".  Break off operation on convoy.  Boats in favorable position ahead of the convoy use opportunities.
		12.00	AK 7167
		16.00	AK 7168
		18.15		Surfaced.

Sun and Moon Data 23.09.43

	- 12 -
		continued
		23.09.43	North Atlantic
		20.00	AK 7249
			W 1, Sea 1, overcast, 1030 mb
		23.57		Radio Message 2336/23/811:  "Leuthen".  1.) Next operation intended on eastbound convoy about on 27 September.  Submit all necessary messages in the course of this night.  Further orders follow, as soon as all reports are received.  On 24 September continue to expect with increased enemy aerial reconnaissance and remain submerged.
		24.00	AK 7368
			W 1, Sea 1, fog, 1031 mb
_______________________________________________________________________________________
		24.09.43
		04.00	AK 7368
			W 1, Sea 1, fog, 1031 mb
		08.00	AK 8157
			SSW 1, Sea 1, fog, 1030 mb
		08.50		Beginning of twilight.
		09.00		Dived, proceeded submerged at depth A -20 meters.
		12.00	AK 8158	Day's run:    Surfaced      130 nm
				Submerged    18 nm
				148 nm
		16.00	AK 8156
		18.10		Radio Message 1645/24/821:  Boat joins Group "Rossbach".  On 26 September be in reconnaissance line from AK 2645 to AK 6845. Radio silence except for tactically important messages.
				Steered in accordance with orders to the 6th position in the reconnaissance line.  AK 2884, course 45°.
		20.00	AK 8164
		22.15		Surfaced.
		24.00	AK 8136
			SE 2, Sea 1, fog, 1029 mb
_______________________________________________________________________________________
		25.09.43
		04.00	AK 5845
			SW 1, Sea 1, fog, 1029 mb
		08.00	AK 5583
			E 1, Sea 1, fog, light Swell, 1029 mb
		08.35		Beginning of twilight.
		08.55		Dived, proceeded submerged at depth A -20 meters.
		12.00	AK 5561	Day's run:    Surfaced      111 nm
				Submerged    25 nm
				136 nm
		16.00	AK 5557
		20.00	AK 5555
		22.10		Surfaced.
		24.00	AK 5xxx

	Sun and Moon Data 23.09.43
	Sun and Moon Data 24.09.43
	Sun and Moon Data 25.09.43

	- 13 -
		26.09.43	North Atlantic
		00.55		Radio Message 1102/25/835:  "Rossbach".  Contrary to previous orders:  On 27 September at 06.00 hours be in patrol line from AK 2555 to AK 6757.
				In accordance with orders headed on course 30° to the 6th position in the new patrol line in AK 3789.
		04.00	AK 5321
			W 1, Sea 1, fog, at times rain, 1036 mb, Vis. 200 meters
		08.00	AK 0243
			NW 1, Sea 0, fog, Vis. below 1000 meters, 1030 mb
		08.50		Beginning of twilight.
		09.05		Dived, proceeded submerged at depth A -20 meters.
		12.00	AK 0221	Day's run:    Surfaced      116 nm
				Submerged    25 nm
				141 nm
		16.00	AK 2794	Difference between dead reckoning and actual position after a navigation fix: 0°T, 15 nm
		18.09		Radio Message 1701/26/865: "Rossbach".  From tomorrow a westbound convoy, speed 9 knots is expected.  Delay of up to 2 days is possible.  From 29 September expect westbound convoy, speed 7.5 knots.  With unsettled weather dive to listen often, that goes especially for boats with low fuel inventories.
		20.00	AK 2795
		22.00	AK 2798	Surfaced.  Positioned at ordered position.  Back and forth in position.
		24.00	AK 2798
			SSW 4, Sea 3, 3/4 overcast, 1020 mb
_______________________________________________________________________________________
		27.09.43
		04.00	AK 2795
			SW 5, Sea 4, fog, at times rain, 1017 mb
		08.00	AK 2798
			SW 4, Sea 4, overcast, misty, 1017 mb
		08.55		Beginning of twilight.
		12.00	AK 2798	Day's run:    Surfaced       96 nm
			WSW 4-5, Sea 4, fog, at times rain, Vis. about 1000 meters, 1019 mb	Submerged    17 nm
				113 nm
		12.52	AK 2798	Radio Message 1133/27/871: "Rossbach".  From 12.00 hours course 300°, speed 7 knots.  On 28 September 00.00 hours stop.  Remain in reached position as patrol line.
				Operated as ordered, course 300°, speed 7 knots.
				[new patrol line position AK 1475 - AK 5599]

	Sun and Moon Data 26.09.43
	Sun and Moon Data 27.09.43

		continued
		27.09.43
		16.00	AK 2782	Difference between dead reckoning and actual position after a navigation fix: 0°T, 15 nm
			W 4, Sea 3, overcast, at times rain, 1020 mb
		20.00	AK 2741
			WNW 2, Sea 3, overcast, fog, Vis. below 1000 meters, 1019 mb
		24.00	AK 1825	In position in new patrol line.  Back and forth in position.
			WSW 5, Sea 4, overcast, at times rain, Vis. below 1000 meters, 1019 mb
_______________________________________________________________________________________
		28.09.43
		04.00	AK1825
			WSW 5, Sea 4, fog, Vis. below 2000 meters, 1011 mb
		08.00	AK 1825
			NW 4-5, Sea 4, fog, 1011 mb
		09.00		Beginning of twilight.
		10.45		Meeting with "U-Manseck", navigation comparison.
		12.00	AK 1825	Day's run:    Surfaced      163 nm
			WSW 4, Se 3, fog, Vis. 300-5000 meters, 1014 mb	Submerged    0 nm
				163 nm
		16.00	AK 1825
			SW 4, Sea 4, at times fog, 1/2 cloudy, 1015 mb
		20.00	AK 1857
			SW 4, Sea 4, changing cloudy to overcast, Vis. 10 nm, 1012 mb
		21.21		Radio Message 2055/28/801:  "Rossbach".  Tonight by all means monitor the ling with certainty.  The convoy must come.
				From 22.00 hours due to occasional visibility deterioration gapless monitoring of the assigned strip was ensured by increased speed settings.

	Sun and Moon Data 27.09.43
	Sun and Moon Data 28.09.43

	- 15 -
		continued
		28.09.43	North Atlantic
		24.00	AK 1837
			SW 6, Sea 5, heavily cloudy, brief Northern Lights, 1014 mb
_______________________________________________________________________________________
		29.09.43
		04.00	AK 1826
			WSW 7, Sea 5, cloudy, 1014 mb
		08.00	AK 1857
			SW 5, Sea 5, lightly cloudy, Vis. good, 1012 mb
		09.19		Beginning of twilight.
		12.00	AK 1826	Day's run:    Surfaced      171 nm
			WSW 5-6, Sea 5, lightly cloudy, 1014 mb	Submerged      0 nm
				171 nm
		16.00	AK 1839
			WSW 4-5, Sea 4, nearly overcast, showers, 1012 mb
		17.50		Test dive.
		20.00	AK 1826
			WSW 3, Sea 3, overcast, heavy rain squalls, high Swell, Vis. good, 1009 mb
		22.22		Radio Message 2211/29/817:  "Rossbach".  Course 70°, speed 7 knots.  More to follow.
		22.25	AK 1826	Radio Message 2154/29/818:  "Rossbach".  In new order on 1 October 10.00 hours be in patrol line from AD 8815 [BdU KTB AD 8879] to AK 6363.  From 1 October slow southwest-bound convoy is expected.  Maintain radio silence except for tactically important reports.  If possible remain unnoticed.  After convoy operation supply of low fuel boats is anticipated in are Point "Jota".
		24.00	AK 1835	Steered in accordance with orders to the 6th position of the patrol line AK 3451, course 65°, speed 6 knots.
			W 3-4, Sea 3, changing cloudiness, at times rain, 1008 mb
_______________________________________________________________________________________
		30.09.43	Southwest of Iceland
		04.00	AK 2715
			W 4, Sea 3, heavily cloudy, 1007 mb

	Sun and Moon Data 28.09.43
	Sun and Moon Data 29.09.43
	Sun and Moon Data 30.09.43

	- 16 -
		continued
		30.09.43	Southwest of Iceland
		08.00	AK 2594
			W 3, Sea 3, overcast, at times rain, 1005 mb
		09.05		Morning twilight.
		12.00	AK 2648	Day's run:    Surfaced      146 nm
			W 3, Sea 3, overcast, at times rain, 1005 mb	Submerged      0 nm
				146 nm
		15.40		Dived, pulled torpedoes.
		16.00	AK 2653
			N 5, Sea 4, heavily cloudy, showers, 1008 mb
		17.43		Surfaced.
		20.00	AK 2635
			W 3, Sea 4, overcast, at times showers, 1007 mb
		24.00	AK 3513
			W 3-4, Sea 3, heavily cloudy, at times showers, 1005 mb
_______________________________________________________________________________________
		01.10.43
		00.23	AK 3388	Officer-Only Radio Message 2351/30/833:  Contrary to previous orders:  1 October 12.00 hours be in new patrol line from AD 8815 to AK 0338.
				Steered in accordance with orders to the 6th position in the new patrol line AK 3272.  Course 22°, speed setting 9 knots.
		04.00	AK 3356
			NNW 3-4, Sea 2, changing cloudiness, showers, 1005 mb
		08.00	AK 3274
			NNW 2-3, Sea 1, cloudy, at times showers, 1005 mb
		08.52		Beginning of twilight.
		12.00	AK 3276	Day's run:    Surfaced      184 nm
			NNW 3, Sea 2, 1/2 overcast, at times showers, 1008 mb	Submerged      3 nm
				187 nm
				Positioned in ordered square, back and forth.

	Sun and Moon Data 30.09.43
	Sun and Moon Data 01.10.43

	- 17 -
		continued
		01.10.43	Southwest of Ireland
		16.00	AK 3248
			NW 4, Sea 3, heavily cloudy, showers, 1008 mb
		20.00	AK 3248
			N 5, Sea 4, changing cloudiness, showers, 1008 mb
		20.45		Officer-Only Radio Message Viktor 2002/1/850:  Shift patrol line ordered in Serial No. 833 by 2 October 08.00 hours 60 nm in direction 350°.  New named order.
				Steered on course 350°, speed 8 knots to the 4th position in new patrol line AD 8812.
		20.52		Radio Message 2015/1/851:  "Rossbach".  Do not operate on eastbound convoy.  Use offered attack opportunities.
		22.30		Difference between dead reckoning and actual position after a navigation fix: 332°T, 10.5 nm
		24.00	AK 8879
			N 5, Sea 4, 1/2 cloudy, 1015 mb
_______________________________________________________________________________________
		02.10.43
		04.00	AD 8818
			N 2, Sea 2, 3/4 cloudy, 1014 mb
		04.20	AD 8812	In position in accordance with Radio Message 2002/1/850:  Back and forth in position.
		08.00	AD 8812
			SSW 2, Sea 2, overcast, 1011 mb
		08.53		Beginning of twilight.
		12.00	AD 8812	Day's run:    Surfaced      164 nm
			SE 4, Sea 3, overcast, 1011 mb	Submerged      0 nm
				164 nm
		15.42		Test dive.
		16.00	AD 8815
			SE 6-7, Sea 5, rain, fog, 1001 mb
		20.00	AD 8812
			SE 7, Sea 6, overcast, showers, 990 mb
		23.12	AD 8812	Radio Message 2250/2/866:  "Rossbach".  Shift patrol line further 50 nm in direction 350°.  For this reach new position by 3 October 00.00 hours.

	Sun and Moon Data 01.10.43
	Sun and Moon Data 02.10.43

	- 18 -
		continued
		02.10.43	Southwest of Iceland
		24.00	AD 8812	Course 350°, speed 6 knots.
			SW 3-4, Sea 4, heavily cloudy, at times fog, rain, 990 mb
_______________________________________________________________________________________
		03.10.43
		04.00	AD 8544
			ENE 1-2, Sea 3, overcast, at times fog, 990 mb
		07.48	AD 8514	Reached position in accordance with Radio Message 2250/2/866.  Back and forth in position.
		08.00	AD 8514
			NE 5-7, Sea 6, overcast, at times rain, 990 mb
		08.58		Beginning of twilight.
		09.35	AD 8511	In a rain squall
			NNE 9, Sea 8, overcast, at times fog and rain, high Swell, 991 mb	Bumped into 3 patrol vessels coming out of a rain squall, course NE, range 4000 meters.
			Weapons use is not possible due to high seas.
		09.38		Crash dive.  Moved off to the south.
			It seems to be a search group.
				Continual sound bearings and Asdic, no depth charges.  Sound bearings were fainter a few hours later.
		12.00	AD 8511	Day's run:    Surfaced      112 nm
				Submerged      4 nm
				116 nm
				Sound bearings reappear.
			I am probably not yet detected.
		16.00	AD 8511
		17.15		Asdic in 260°T, sound bearings were loud again.  Propeller sounds bearing 90°T.
		17.25		At depth A meters 6 extremely heavy depth charges, which lay directly at the boat.  Entire electrical system fails.  Stern propeller shaft bushings leak heavily.  4 Bolde ejected.
				1 sound bearing to port and 1 other to starboard.  The 3rd patrol vessel runs by previous explosive location and throws about 10 depth charges that lie astonishingly well. Boat now steers at depth A +60 meters.
				During the patrol vessel approach, maintained KF and turned away hard to starboard.  Once again 5 Bolde ejected.

	Sun and Moon Data 02.10.43
	Sun and Moon Data 03.10.43

	- 19 -
		continued
		03.10.43	Southwest of Iceland
		17.25		Stern propeller shaft bushings were hot and leak heavily, hourly 1/2 tons.  Strong self noise from 100 RPM.
				Sound bearings were fainter.
			It appeared that the group lost the boat at times, however the strong self noise was always detected again.
		18.00		Explosive locating, thereafter 8 heavy depth charges at depth 2 A +40 meters, that lay exact again.
				Once more 5 Bolde ejected and the boat turned 180°.  Came to course 90°.
				2 patrol vessels overrun the boat at times, however without throwing depth charges.  Still one explosive locating.
		20.00	AD 8514
				2 sound bearings were fainter in 30°T, while the 3rd patrol vessel was still heard for a long time.
		21.00		No further sound bearings.  The most important repairs were carried out submerged.
		22.30		Surfaced.  Set off to the south for repairs.
				Failures:  Vent for main ballast tank 3 both sides, bottle group 6, Junkers compressor, both shafts bang.
		22.45		Surfaced.  [perhaps 22.30 was only "Set off to the . . .]
		24.00	AD 8463
			NE 5, Sea 4, 1/2 to completely cloudy, at times rain, 1005 mb
_______________________________________________________________________________________
		04.10.43	North Atlantic
		03.00		Outgoing Radio Message 0204/4/895:  3 October 16.45 hours search group AD 8551 by sound bearings heaviest depth charges by search group, setting off for repairs.
		04.00	AD 8497	Course 270°, speed 8 knots.
			NE 2, Sea 2, 1/2 overcast, 1010 mb
		07.47		Dived, proceeded submerged at depth A meters.
		08.00	AD 7933
			NW 2, Sea 2, overcast, at times showers, 1010 mb
		12.00	AD 7956	Day's run:    Surfaced       96 nm
				Submerged    22 nm
				118 nm
		16.00	AD 7959

	Sun and Moon Data 03.10.43
	Sun and Moon Data 04.10.43

	- 20 -
		continued
		04.10.43	North Atlantic
		20.00	AD 7965
		20.58		Surfaced.
		21.25		Difference between dead reckoning and actual position after a navigation fix: 0°T, 3 nm
		24.00	AD 7999
			SE 2, Sea 1, 1/2 cloudy, light Swell,
_______________________________________________________________________________________
		05.10.43
		01.10		Outgoing Radio Message 0057/5/809:  (By radio repeater)
				Position naval square AK 2227, clear to dive to depth A meters, both shafts bang,strong self noise, operations not possible, 49 cbm.
		04.00	AK 2224
			SE 1, Sea 0, at times rain, changing cloudiness, 1001 mb
		08.00	AK 2457	Dived, proceeded submerged at depth A meters.
			SW 1, Sea 0, overcast, 1007 mb, Vis. good
		12.00	AK 2481	Day's run:    Surfaced      123 nm
				Submerged    18 nm
				141 nm
		14.11	AK 2484	Radio Message 1040/5/825:  "Engel" begin return transit.
		16.00	AK 2484
		20.45		Surfaced.
		21.29		Difference between dead reckoning and actual position after a navigation fix: 225°T, 12.5 nm
		24.00	AK 2485
			SW 3, Sea 2, lightly cloudy, Vis. good, 1013 mb
_______________________________________________________________________________________
		06.10.43
		04.00	AK 2993
			WNW 2, Sea 1, cloudy, 1015 mb
		08.00	AK 3942
			SW 2, Sea 0, overcast, at times showers, light Swell, 1029 mb
		08.15		Beginning of twilight.
		12.00	AK 6273	Day's run:    Surfaced      203 nm
			W 5, Sea 4, overcast, at times showers, 1017 mb	Submerged    15 nm
				218 nm

	Sun and Moon Data 04.10.43
	Sun and Moon Data 05.10.43
	Sun and Moon Data 06.10.43

	- 21 -
		continued
		06.10.43	North Atlantic
		16.00	AK 6583
			WSW 4, Sea 3, overcast, 1017 mb
		20.00	AK 6974
			WSW 3, Sea 1, overcast, at times showers, light Swell, 1017 mb
		24.00	AK 9346
			SW 4, Sea 3, overcast, at times showers, 1015 mb
_______________________________________________________________________________________
		07.10.43
		04.00	AK 9625
			S 6, Sea 4, overcast, Vis. bad, 1008 mb
		08.00	AK 9654
			S 8, Sea 6, rain, at times fog, 1000 mb
		12.00	AK 9639	Day's run:    Surfaced      228 nm
			SSW 8, Sea 7, fog, high Swell, 1000 mb	Submerged      0 nm
				228 nm
		16.00	AK 9691
			S 5, Sea 4, fog, 1000 mb
		20.00	AK 9938
			fog, Vis. 3 nm, high Swell, 1004 mb
		24.00	AL 7771
			SW 3, Sea 2, fog, rain, 1004 mb
_______________________________________________________________________________________
		08.10.43
		04.00	BD 3343
			SW 2, Sea 1, 1/2 overcast, 1008 mb
		08.00	BD 3639	Difference between dead reckoning and actual position after a navigation fix: 166°T, 3.5 nm
			SW 1, Sea 0, cloudless, light Swell, 1008 mb

	Sun and Moon Data 06.10.43
	Sun and Moon Data 07.10.43
	Sun and Moon Data 08.10.43

	- 22 -
		continued
		08.10.43
		10.00		Difference between dead reckoning and actual position after a navigation fix: 110°T, 30.6 nm
		12.00	BE 1743	Day's run:    Surfaced      221 nm
			SW 3, Sea 2, cloudy, at times rain, Vis. good, 1015 mb	Submerged      0 nm
				221 nm
		16.00	BE 1785
			SW 1, 1/2 overcast, 1015 mb
		16.37		Radio Message 1712/8825:  "Engel" on 9 October at 08.00 hours switch to Ireland Circuit.
		20.00	BE 4181
			SSW 5, Sea 1, 1/2 cloudy, light Swell, 1016 mb
		20.45		Difference between dead reckoning and actual position after a navigation fix: 205°T, 7.5 nm.
		24.00	BE 4246
			SSW 3, Sea 2, lightly cloudy, 1016 mb
_______________________________________________________________________________________
		09.10.43
		04.00	BE 4346
			SSW 3, Sea 1, cloudless, 1013 mb
		07.15		Beginning of twilight.
		07.25		Dived, proceeded submerged at depth A meters.
		08.00	BE 5144	In accordance with Radio Message 1712/8/825:  "Switched to "Ireland" Circuit.
			SSE 2, Sea 1, overcast, at times showers, misty, 1014 mb
		12.00	BE 5145	Day's run:    Surfaced      204 nm
				Submerged    8.5 nm
				212.5 nm
		16.00	BE 5146
		20.00	BE 5145
		20.30		Surfaced.
		24.00	BE 5245
			NW 3, Sea 2, overcast, at times rain, 1018 mb
_______________________________________________________________________________________
		10.10.43	Bay of Biscay
		04.00	W 1, Sea 1, 1/2 cloudy, 1018 mb
		07.10		Beginning of twilight.
		07.25		Dived, proceeded submerged at depth A -20 meters.
		08.00	BE 5354
			N 2, Sea 1, lightly cloudy, 1018 mb

	Sun and Moon Data 08.10.43
	Sun and Moon Data 09.10.43
	Sun and Moon Data 10.10.43

	- 23 -
		continued
		10.10.43	Bay of Biscay
		12.00	BE 5356	Day's run:    Surfaced        87 nm
				Submerged    27 nm
				114 nm
		16.00	BE 5359
		20.00	BE 5367
		20.20		Surfaced.
		24.00	BE 6159
			ENE 3, Sea 2, lightly cloudy, 1022 mb
_______________________________________________________________________________________
		11.10.43
		04.00	BE 6282
			ENE 3, Sea 2, lightly cloudy, 1022 mb
		05.00		Dived, proceeded submerged at depth A meters.
		08.00	BE 6293
		12.00	BE 6371	Day's run:    Surfaced      135 nm
				Submerged    22 nm
				157 nm
		16.00	BE 6375
		20.00	BE 6376
		20.12		Surfaced.
		23.00	BF 4411	Detection on 172 cm.  Dived, proceeded submerged at depth A meters.
		24.00	BF 4411
			SE 2, Sea 1, lightly cloudy, 1027 mb
_______________________________________________________________________________________
		12.10.43
		04.00	BF 4411
		08.00	BF 4412
		12.00	BF 4413	Day's run:    Surfaced       42 nm
				Submerged    36 nm
				78 nm
		16.00	BF 4424
		20.00	BF 4425	Surfaced.
		23.04	BF 4517	Aircraft overflew the boat on southerly course, no detection.
			Apparently was not noticed.
				Crash dive.
		24.00	BF 4517
_______________________________________________________________________________________
		13.10.43
		04.00	BF 4512
		08.00	BF 4545
		12.00	BF 4554	Day's run:    Surfaced       28 nm
				Submerged    42 nm
				70 nm
		16.00	BF 4559

	Sun and Moon Data 10.10.43
	Sun and Moon Data 11.10.43
	Sun and Moon Data 12.10.43
	Sun and Moon Data 13.10.43

	- 24 -
		continued
		13.10.43	Bay of Biscay
		20.00	BF 4556	Surfaced.
		20.20		Radio Message 1713/13/176:  Return harbor "Engel" St. Nazaire.
		21.00		Radio Message 1508/12/171:  "Engel" at 08.00 hours switch to "Coastal" Circuit.
		23.25		Dived, proceeded submerged at depth A meters.
		24.00	BF 4681
_______________________________________________________________________________________
		14.10.43
		04.00	BF 4685
		08.00	BF 4686	In accordance with Radio Message 1508/13/171 switched to "Coastal" Circuit.
		12.00	BF 4694	Day's run:    Surfaced      48.0 nm
				Submerged   34.5 nm
				82.5 nm
		16.00	BF 4695
		20.00	BF 4698	Surfaced.
		23.06		Outgoing Radio Message 2234/14/93:  Position 16 October 07.00 hours Point "Herz 438".
		23.45		Dived, proceeded submerged at depth A meters.
		24.00	BF 5735
_______________________________________________________________________________________
		15.10.43
		04.00	BF 5732
		06.30		Radio Message 2339/14/94:  "U-666". Escort positioned on 16 October 43 at 07.00 hours "Herz 438".
		06.40		Surfaced.
		06.45		Difference between dead reckoning and actual position after a navigation fix: 325°T, 12.85 nm.
		07.00		Dived, proceeded submerged at depth A meters.
		08.00	BF 5733
		12.00	BF 5736	Day's run:    Surfaced      61.0 nm
				Submerged   32.5 nm
				93.5 nm
		16.00	BF 5814
		19.00		Surfaced.
		20.00	BF 5851
			SE 3, Sea 0, lightly cloudy, long Swell
		24.00	BF 6775
			SE 1, Sea 0, lightly cloudy
_______________________________________________________________________________________
		16.10.43
		01.00		4 shadows ahead.
				Recognition Signals exchanged.  4 German destroyers.
		04.00	BF 6726
			W 1, Sea 0, heavily cloudy, 1011 mb

	Sun and Moon Data 13.10.43
	Sun and Moon Data 14.10.43
	Sun and Moon Data 15.10.43
	Sun and Moon Data 16.10.43

	- 25 -
		continued
		16.10.43	Bay of Biscay
		07.00		Taken in convoy.
		08.00	BF 6466
			W 1, Sea 0, cloudy, 1011 mb
		12.00		Made fast in the St. Nazaire Lock.
				Total distance covered:
				Surfaced      3765 nm
				Submerged    941 nm
				4706 nm
				=======================
				The 16th October 1943.
				Ob.Ltn. z. See and Kommandant.

Sun and Moon Data 16.10.43