U-160 - 4th War Patrol

Translation by Jerry Mason with the help of Ken Dunn and Andi Forster

Departed	Date	Arrived	Date	Days at Sea
Lorient	6 January 1943	Bordeaux	10 May 1943	125

 

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
8 Feb 43	00.13 - 02.33	33°03'S, 7°51'W	ROGER B. TANEY	7,191	American
3 Mar 43	21.22	31°45'S, 31°24'E	NIRPURA	5,961	British	DN-21
3 Mar 43	21.22	31°45'S, 31°24'E	HARVEY W. SCOTT	7,176	American	DN-21
3 Mar 43	21.23	31°45'S, 31°24'E	TIBIA (damaged)	10,356	Netherlands	DN-21
3 Mar 43	23.10 - 23.11	31°57'S, 30°32'E	EMPIRE MAHSEER	5,087	British	DN-21
4 Mar 43	01.46	31°57'S, 30°56'E	SHEAF CROWN (damaged)	4,868	British	DN-21
4 Mar 43	01.47	31°57'S, 30°56'E	MARIETTA E.	7,628	British	DN-21
8 Mar 43	20.20 - 20.32	29°03'S, 33°52'E	JAMES B. STEPHENS	7,176	American
11 Mar 43	20.17 - 20.32	29°09'S, 34°00'E	AELYBRYN	4,986	British
			Total = 60,429
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.

---

	- 1 -
			K  r  i  e  g  s  t  a  g  e  b  u  c  h
			= = = = = = = = = = = = = = = =
			"U-160"
			Beginning              on 10.12.1942
			Ending                  on 10.  5.1943.
				4th War Patrol
			10.12.42  Lorient to
				Shipyard period.
			02.01.43  Lorient
			09.00 to
			12.00	Sea trial and trim test.
			03.01.43  Lorient to
				Manning the boat and outfitting.
			04.01.43  Lorient
			05.01.43  Lorient
			09.10 to
			11.30	Final trim test.
			14.30 to
			17.30	Degaussing and compensating the magnetic compass.
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Click the flag to view the above page from the original German KTB

	- 2 -
		06.01.43	Lorient
		16.30		Put to sea on 4th war patrol.
		19.00	Point Laterne	Released by escort, FmM.B. brought out.
			SWbyW 5-6, Sea 3-4, Vis. 6-8 nm
		19.45	BF 6175	Detection on 168 cm, horizontally polarized, dived, no attack.
		20.00	BF 6175
		20.28		Surfaced.
		20.43	BF 6177	Detection as above, dived, no attack.
		21.24		Surfaced.
		07.01.43	Bay of Biscay
		00.00	BF 5532
		04.00	BF 5551
		08.00	BF 5493
			WbyS 6, Sea 4-5, Vis. 4-6 nm
		08.26		Dived, proceeding submerged.
		12.00	BF 5494	Day's run 130 nm.
			φ = 46° 39' N
			λ =   5° 49' W
		16.00	BF 5489
		18.45		Surfaced.
		20.00	BF 5713
		08.01.43	Bay of Biscay
		00.00	BF 4916
		04.00	BF 4972
		08.00	BF 7311
			W 4-5, Sea 3-4, Vis. 2 nm, light rain
		09.00		Dived, proceeding submerged.
		12.00	BF 7237	Day's run 166 nm.
			φ = 45° 22' N
			λ =   9° 21' W
		13.30		Surfaced to ventilate.
		13.41		Dived.
		16.00	BF 7228

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

	- 3 -
		continued
		08.01.43	Bay of Biscay
		18.35		Surfaced.
		20.00	BF 7245	No traffic, nothing of note.
		09.01.43	North Atlantic northwest of Spain
		00.00	BF 7185	In accordance with outbound orders heading for square DH 15.
		04.00	BE 9635
		08.00	BE 9654	Heavy cross sea, upper deck damage.
			SWbyW 7, Sea 5, Vis. 2-4 nm
		09.03		Dived.
		12.00	BE 9647	Day's run 165 nm.
			φ = 44° 06' N
			λ = 12° 44' W
		14.04		Surfaced.
		14.10		Dived, as there is no weather improvement.
		16.00	BE 9593
		17.01		Surfaced.
		17.04		Dived, still heavy seas.
		19.02		Surfaced.
		20.00	BE 9594	No traffic.
		10.01.43	North Atlantic west of Spain
		00.00	BE 9819
		04.00	BE 9768
		08.00	BE 9784
			SWbyS 6, Sea 5, Vis. 4 nm, heavy cross sea
		09.30		Dived.
		12.00	CF 3316	Day's run 158 nm
			φ = 42° 45' N
			λ = 15° 52.5' W
		16.00	CF 3317	Surfaced.

	Sun and Moon Data 08.01.43
	Sun and Moon Data 09.01.43
	Sun and Moon Data 10.01.43

	- 4 -
		continued
		10.01.43	North Atlantic west of Spain
		20.00	CF 3269	The seas do not become any longer, because the wind shifts strongly and each swell is overlaid with a differing wind-sea.
			WbyS 7-8, Sea 6, Vis. 4-8 nm
		11.01.43	North Atlantic west of Spain
		00.00	CF 3297
		03.28		Outgoing Short Signal:  Weather report in accordance with orders.
		04.00	CF 3528
		08.00	CF 3543
		12.00	CF 3544	Day's run 105 nm.
			φ = 41° 35' N
			λ = 17° 28' W
			SWbyS 8-9, Sea 8, Vis. 2000 meters
		12.24		Crash dive for training, remained submerged due to the sea state.
		16.00	CF 3468
		18.00		Surfaced.
		20.00	CF 3495	Starboard-astern upper deck canister comes loose.  In spite of coming to a westerly course there is never a long swell.  Heavy cross sea causes further upper deck damage.
		22.00	W 10-11, Sea 9, Vis. 3 nm
		12.01.43	North Atlantic east of the Azores
		00.00	CF 3737
		04.00	CF 3759
		06.41		Outgoing Short Signal:  Weather report in accordance with orders.
		08.00	CF 3787	On getting light determined that the starboard astern canister is ripped overboard.
		12.00	CF 6141	Day's run 117.5 nm.
			φ = 39° 52' N
			λ = 18° 34' W
			W 6, Sea 5, Vis. 5 nm

	Sun and Moon Data 10.01.43
	Sun and Moon Data 11.01.43
	Sun and Moon Data 12.01.43

	- 5 -
		continued
		12.01.43	North Atlantic east of the Azores
		16.00	CF 5392
		18.55		Incoming Radio Message 1501/12/82:  In accordance with orders set course for GG 10.  Orders for Group "Seehund" will be transferred by "Wilamowitz".
		20.00	CF 5622
		21.17		Outgoing Short Signal:  Passing report sent.
				No traffic.
		13.01.43	North Atlantic east of the Azores
		00.00	CF 5645
		04.00	CF 5595
		06.24		Outgoing Short Signal:  Weather report in accordance with orders.
		08.00	CF 5826
		09.30		Crash dive for training.
		12.00	CF 5851	Day's run 145 nm.
			φ = 38° 02' N
			λ = 20° 38' W
		12.51		Surfaced.
		16.00	CF 5848
			SW 6-7, Sea 6, Vis. 5-6 nm
		20.00	CF 8215	No traffic, nothing of note.
		14.01.43	North Atlantic southeast of the Azores
		00.00	CF 8248
		04.00	CF 8436
		08.00	CF 8467	Correction of upper deck damage, retighten the canisters, adjusting vents 4 and 5.
			SW 2, Sea 2, Vis. 5 nm
		10.27 - 10.58		Test dive.
		12.00	CF 8485	Day's run 148 nm.
			φ = 35° 47' N
			λ = 21° 39' W
		16.00	CF 8743
		20.00	CF 8772	No traffic, nothing of note.

	Sun and Moon Data 12.01.43
	Sun and Moon Data 13.01.43
	Sun and Moon Data 14.01.43

	- 6 -
		15.01.43	North Atlantic west of Madeira
		00.00	DH 1133
		03.02		Crash dive for training.
		03.28		Surfaced.
		04.00	DH 1164
		08.00	DH 1188
		12.00	DH 1443	Day's run 154.5 nm.
			φ = 33° 30' N
			λ = 23° 09' W
			SW 4-5, Sea 3, Vis. 6 nm
		16.00	DH 1478
		20.00	DH 1741	No traffic, nothing of note.
		16.01.43	North Atlantic west of the Canary Islands
		00.00	DG 3999
		04.00	DG 6362
		08.00	DG 6389
		12.00	DG 6651	Day's run 171 nm
			φ = 30° 49.5' N
			λ = 24° 15' W
			NW 3-4, Sea 3, Vis. 6-8 nm
		16.00	DG 6678
		20.00	DG 6944	No traffic, nothing of note.
		17.01.43	North Atlantic west of the Canary Islands
		00.00	DG 6898
		04.00	DG 9255
		08.00	DG 9287
		09.07 - 10.30		Test dive.
		12.00	DG 9545	Day's run 168 nm.
			φ = 28° 00' N
			λ = 25° 44.5' W
			NE 0-1, Sea 0, Vis. 12 nm
		16.00	DG 9733
		20.00	DG 9768	No traffic, nothing of note.

	Sun and Moon Data 15.01.43
	Sun and Moon Data 16.01.43
	Sun and Moon Data 17.01.43

	- 7 -
		18.01.43	North Atlantic north of Cape Verde
		00.00	DT 1233
		04.00	DT 1292
		08.00	DT 1537
		12.00	DG 1585	Day's run 187 nm.
			φ = 25° 01' N
			λ = 26° 35' W
			SSE 0-1, Sea 0, Vis. 8-10 nm
		16.00	DT 1851
		20.00	DT 4213	No traffic, nothing of note.
		19.01.43	North Atlantic north of Cape Verde
		00.00	DT 4248
		04.00	DT 4514
		08.00	DT 4574
		08.55		Crash dive for training.
		09.34		Surfaced.
		12.00	DT 4739	Day's run 190 nm.
			φ = 21° 54.5' N
			λ = 27° 11' W
			SSE 1, Sea 0, Vis. 10 nm
		16.00	DT 4795
		20.00	DT 7164	No traffic, nothing of note.
		20.01.43	North Atlantic northwest of Cape Verde
		00.00	DT 7423
		04.00	DT 7458
		08.00	DT 7724
		09.12	DT 7724	Crash dive for training.
		09.57		Surfaced.
		12.00	DT 7757	Day's run 182.5 nm
			φ = 18° 52.5' N
			λ = 27° 42.5' W
			ENE 1-2, Sea 1, Vis. 10-12 nm

	Sun and Moon Data 18.01.43
	Sun and Moon Data 19.01.43
	Sun and Moon Data 20.01.43

	- 8 -
		continued
		20.01.43	North Atlantic northwest of Cape Verde
		13.15		Crash dive for training.
		13.21		Surfaced.
		16.00	EJ 1119
		17.43	EJ 1148	Periscope sighted bearing 225°T.  Range about 2000 meters, not recognized exactly, because only sighted briefly twice.
		20.00	EJ 1178	No traffic.
		21.01.43	North Atlantic west of Cape Verde
		00.00	EJ 1444
		04.00	EH 3935
		08.00	EH 3991
		12.00	EH 6337	Day's run 195.5 nm.
			φ = 15° 38.5' N
			λ = 28° 19' W
			NEbyE 3, Sea 2, Vis. 8-10 nm
		16.00	EH 6385
		20.00	EH 6652	No traffic, nothing of note.
		22.01.43	North Atlantic southwest of Cape Verde
		00.00	EH 6668
		04.00	EH 6939
		08.00	EJ 4775
		12.00	EJ 7125	Day's run 173.5 nm.
			φ = 13° 02' N
			λ = 27° 36' W
			NEbyE 3, Sea 2, Vis. 8-10 nm
		12.13		Crash dive for training.
		12.34		Surfaced.
		16.00	EJ 7167
		20.00	EJ 7433	No traffic, nothing of note.

	Sun and Moon Data 20.01.43
	Sun and Moon Data 21.01.43
	Sun and Moon Data 22.01.43

	- 9 -
		23.01.43	North Atlantic south of Cape Verde
		00.00	EJ 7546
		04.00	EJ 7588
		08.00	EJ 8762
		12.00	EJ 7975	Day's run 167.5 nm.
			φ = 10° 38' N
			λ = 26° 07' W
			NEbyN 4, Sea 3, Vis. 6 nm
		16.00	ES 1328
		20.00	ES 1391	No traffic, nothing of note.
		24.01.43	North Atlantic southern part
		00.00	ES 2414
		04.00	ES 2457
		08.00	ES 2723
		09.33		Crash dive for training.
		10.20		Surfaced.
		12.00	ES 2844	Day's run 178 nm
			φ =   8° 14.5' N
			λ = 24° 24' W
			ENE 2, Sea 1, Vis. 8 nm
		16.00	ES 5221
		20.00	ES 5265	No traffic, nothing of note.
		25.01.43	North Atlantic southern part
		00.00	ES 5377
		04.00	ES 5655
		08.00	ES 5697
		11.12 - 11.31		Test dive.
		12.00	ES 6745	Day's run 194 nm.
			φ =   5° 38' N
			λ = 22° 30' W
			NEbyE 1, Sea 0, Vis. 8-10 nm
		16.00	ES 6788
		20.00	ES 9165
		20.45		Crash dive for training.
		20.51		Surfaced.

	Sun and Moon Data 23.01.43
	Sun and Moon Data 24.01.43
	Sun and Moon Data 25.01.43

	- 10 -
		26.01.43	North Atlantic southern part
		00.00	ES 9278
		04.00	ES 9572
		08.00	ES 9845
		12.00	FD 3217	Day's run 223 nm.
			φ =   2° 10' N
			λ = 2'1° 36' W
			SE 1-2, Sea 1, Vis. 10-12 nm
		16.00	FD 3277	Equator baptism.
		20.00	FD 3547	No traffic.
		27.01.43	South Atlantic, Equator
		00.00	FD 3841
		04.00	FD 3878
		08.00	FD 6251
		12.00	FD 6282	Day's run 210 nm.
			φ =   1° 10' S
			λ = 21° 02' W
			SE 2-3, Sea 1-2, Vis. 8-10 nm
		14.43		Crash dive for training.
		15.02		Surfaced.
		15.04		Crash dive for training.
		15.20		Surfaced.
		16.00	FD 6562
		20.00	FD 6675	No traffic, nothing of note.
		28.01.43	South Atlantic, northern part
		00.00	FD 6927
		04.00	FD 6991
		08.00	FE 7114
		10.49		Crash dive for training.
		11.06		Surfaced.
		12.00	FE 7146	Day's run 167 nm.
			φ =   3° 31' S
			λ = 19° 28' W
			ESE 3, Sea 2, Vis. 10 nm
		16.00	FE 7188
		20.00	FE 7462	No traffic, nothing of note.

	Sun and Moon Data 26.01.43
	Sun and Moon Data 27.01.43
	Sun and Moon Data 28.01.43

	- 11 -
		29.01.43	South Atlantic, northwest of Ascension
		00.00	FE 7572
		04.00	FE 7825
		07.47		Crash dive for training.
		08.00	FE 7865
		08.51		Surfaced.
		12.00	FE 7977	Day's run 153.5 nm.
			φ =   5° 35' S	Difference between dead reckoning and actual position: 245°T, 7 nm/day
			λ = 18° 06' W
			SE 3-4, Sea 2-3, Vis. 10 nm
		16.00	FL 3319
		16.35	FL 3325	Crash dive for flying boat bearing 170°T, course 110°.
		17.20		Surfaced.
		17.38	FL 3352	Detection on 258 cm, vertically polarized, steady tone, dived.
		18.21		Surfaced.
		20.00	FL 3367	No traffic.
		30.01.43	South Atlantic west of Ascension
		00.00	FL 3637
		04.00	FL 3697
		08.00	FL 3967
		12.00	FL 6361	Day's run 206 nm.
			φ =   8° 49' S
			λ = 17° 25' W
			SEbyE 2-3, Sea 1-2, Vis. 10-12 nm
		16.00	FL 6635
		18.20		Outgoing Short Signal:  Position report in accordance with orders.
		20.00	FL 6667	Main ballast and reserve fuel oil tank 7 and 2 converted into ballast tanks.
				No traffic.
		31.01.43	South Atlantic southwest of Ascension
		00.00	FM 4477
		01.53		Incoming Radio Message 2244/30 (Officer-Only):  Indicating the eastern limit of Route Anton.
		04.00	FM 4728	Course altered to FU 43.
		07.28		Crash dive for training.
		07.35		Surfaced.
		07.46		Crash dive for training.
		08.00	FM 4793
		08.33		Surfaced.
		11.35		Incoming Radio Message 1041/31/491:  Orders for supply from "Wilamowitz"on 4 February at 09.00 hours in square FU 4455.

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

	- 12 -
		continued
		31.01.43	South Atlantic southwest of Ascension
		12.00	FM 4879	Day's run 176 nm.
			φ = 11° 05.5' S
			λ = 16° 01' W
			EbyE 4, Sea 3, Vis. 10 nm
		16.00	FM 7237
		20.00	FM 7345	No traffic, nothing of note.
		01.02.43	South Atlantic Ascension-Helena
		00.00	FM 7385
		04.00	FM 8414
		08.00	FM 8455
		12.00	FM 8495	Day's run 165.5 nm.
			φ = 12° 47' S
			λ = 13° 45' W
			E 2, Sea 2, Vis. 8 nm
		16.00	FM 8815
		20.00	FM 8855	No traffic, nothing of note.
		02.02.43	South Atlantic northwest St. Helena
		00.00	FM 8898
		04.00	FT 2319
		08.00	FT 2383
		12.00	FT 2633	Day's run 162 nm.
			φ = 14° 48' S
			λ = 11° 50' W
			ESE 2, Sea 1-2, Vis. 10 nm
		12.47		Crash dive for training.
		13.52		Surfaced.
		16.00	FT 3443
		20.00	FT 3486	No traffic, nothing of note.
		03.02.43	South Atlantic west of St. Helena
		00.00	FT 3736
		04.00	FT 3854

	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

	- 13 -
		continued
		03.02.43	South Atlantic west of St. Helena
		07.58	FT 3895	Smoke feather in sight bearing 178°T, motor ship course 270°, 14 knots.  Size 5-6000 GRT.  Maneuvered ahead for day attack.
		08.00	FT 3895	Appearance:  compact masts, rod antenna on the bridge, cannon on the stern.  No zig zags.  Speed matched.
		12.00	FT 3788	Day's run 201 nm.
			φ = 16° 33' S
			λ = 11° 16.5' W
			SE 3, Sea 2-3, Vis. 10 nm, swells
		13.17	FT 6111	Dived to attack.
		14.11	"      "	Shot from tube III:  G7e, depth 3 meters, target speed = 14 knots, target angle = 68°, range = 1200 meters, missed.
				Behavior of the enemy after the shot:  Determined by listening that the engines were stopped initially without changing course.  Afterwards heavy zig zags around 270° up to 90° and also with stopping and starting.
		14.44	FT 6111	One or more heavy detonations heard, probably depth charges, nothing seen through the periscope.  Range to the steamer 6000 meters.
		15.30		Steamer holds course 270° and quickly passes out of sight.
				Assumption: Because steamer was lightly laden or in ballast, the torpedo passed under and thus the steamer was alerted. Otherwise behavior after the shot is inexplicable.  No further pursuit, because the enemy runs at high speed and with 5 hours AK-pursuit with heavy fuel consumption the boat is further removed from its operations area (a day before supply) and the boat is already detected.  Besides, further pursuit leads towards Route Anton.
		16.00	FT 6114
		16.54		Surfaced, continued transit.
		20.00	FT 6120
		21.46		Outgoing short signal:  Will arrive at supply point 1 day later.
		04.02.43	South Atlantic west of St. Helena
		00.00	FT 6244
		04.00	FT 6283
		08.00	FT 6377

	Sun and Moon Data 03.02.43
	Sun and Moon Data 04.02.43

	- 14 -
		continued
		04.02.43	South Atlantic west of St. Helena
		12.00	FT 6622	Day's run 163 nm.
			φ = 17° 31.5' S
			λ = 9° 33' W
			EbyS 4, Sea 3, Vis. 10 nm
		16.00	FT 6639
		16.54	FU 4417	"U-459" in sight.  After recognition signals exchanged immediately begin resupply until darkness.
		20.00	FU 4449	Connection released at night and stayed in contact.  Short briefing with "Wilamowitz", received Seehund Orders.
		05.02.43	South Atlantic west of St. Helena
		00.00	FU 4449
		04.00	FU 4449
		08.00	FU 4449	Begin transfer of a G7a, followed by the rest of the fuel.  A total of 108 cbm taken over.  Total inventory 243 cbm.
		12.00	FT 4449	Day's run 58 nm.
			φ = 18° 9.5' S
			λ = 8° 46' W
			ESE 3-4, Sea 3, Vis. 10 nm
		12.16	FU 4484	Departed from "U-459".  This supply and above all, the torpedo transfer went excellently in spite of stiff SE trade wind.   The supply by "Wilamowitz" was - as far as I am entitled to an opinion - exemplary.
		12.58	FU 4484	Supplier out of sight, transit continued.
				On course 120°.
		16.00	FU 4731
		20.00	FU 4817	No traffic.
		06.02.43	South Atlantic west of St. Helena
		00.00	FU 4855
		04.00	FU 4896
		08.00	FU 7313
		12.00	FU 7337	Day's run 147 nm.
			φ = 19° 30' S
			λ = 6° 39' W
			EbyS 4-5, Sea 4, Vis. 8 nm

	Sun and Moon Data 04.02.43
	Sun and Moon Data 05.02.43
	Sun and Moon Data 06.02.43

	- 15 -
		continued
		06.02.43	South Atlantic west of St. Helena
		13.29		Crash dive for training.
		13.55		Surfaced.
		16.00	FU 8145
		20.00	FU 8182	No traffic, nothing of note.
		07.02.43	South Atlantic south of St. Helena
		00.00	FU 8426
		04.00	FU 8459
		08.00	FU 8723
		12.00	FU 8756	Day's run 143 nm.
			φ = 21° 28' S
			λ = 5° 51' W
			ESE 4-5, Sea 4, Vis. 8 nm
		13.30	EU 8759	Steamer in sight bearing 99°T, course 270°, target angle 0°, quickly growing larger, because it is coming out of the hazy horizon.  Do not succeed running off any more at GF, because the foredeck quickly rises out
		13.32		Dived to attack submerged.
				Enemy zig zags about 250°, estimate enemy speed at 14 knots.  Do not get near enough, abeam distance at target angle 90° about 2500 meters.  Because shooting data is not accurate, decided to pursue for night attack. 145 RPM from listening.
				Appearance:  very long wide freighter in ballast, stern trimmed such that the foredeck is very high and propellers lie almost as deep as with a loaded freighter (shortening the underwater hull). Freighters load waterline set deeper, as with a loaded freighter.  Heavily compact masts, 5 hatches.  Between forward mast and bridge a king post with rod antenna.  Quick firing weapons on the bow and stern.  American flag.  Estimated 7000 GRT.
		15.45		Surfaced, began pursuit.
		16.00	FU 8782	Steamer zig zags 20-50° around general course 250°, speed 13-14 knots.  Steamed up from behind in the dusk, by this low fuel consumption.
		20.00	GF 2324
		23.12	GF 2228	Shot from tube IV:  G7e, depth 2 meters, target speed = 14, target angle = 90°, range 1000 meters, miss.
				Steamer zig zags away to starboard 100° after the shot on course 10°.  Miss unexplained, because only the forward and aft mast of the steamer could be seen in the binoculars.

	Sun and Moon Data 06.02.43
	Sun and Moon Data 07.02.43

	- 16 -
		08.02.43	South Atlantic
		00.00	GF 2224	Steamed along to get the exact speed.
				Results 13 knots, not less!
				Set up for a stern approach.
		00.13	GF 2224	Shot from tube V:  G7e, depth 2 meters, target speed = 13 knots, target angle = 84°, range = 1200 meters.
				Hit amidships, running time 86 seconds.
				At the shot the steamer filled the binoculars.  Estimated size 8000 GRT.
		00.16	GF 2224	Artillery fire from the steamer by quick firing weapon on the bow.
		00.17		5 salvoes awaited, for the most part over or in the vicinity of the boat, then dived.  Caliber about 4 cm.
		00.25		Surfaced.
				Steamer is abandoned by the crew, stern somewhat settled, very broad ship.  4 boats and rafts.  Due to sea state and darkness artillery operation not advisable, because the ship is empty.
		02.16	GF 2224	Shot from tube V:  G7e, depth 3 meters, coup de grâce, speed = 0, range = 1200 meters, failure!
				While loading the torpedo had been lightly damaged, therefore used for the coup de grâce.  See Equipment Report.
		02.33	GF 2224	Shot from tube I:  G7e, depth 3 meters, coup de grâce, range = 800 meters, hit after 50 seconds running time.
				Heavy detonation (fuel explosion), steamer sinks over the stern post.  Afterwards went to the boats, only survivors on rafts found.  From them the name was spelled:  "ROGER B. TANNY" 10,000 GRT, empty from Cape Town for New York.
				Assumption: the following camouflage for empty ships. Painted gray to the waterline, (to conceal draught). Trimmed by the stern, so that the propeller does not stick out and target surface is reduced under water.
				From behind one can look up at a steamer and see the forecastle. When a torpedo under runs there is a report to the bridge, afterwards heavy zig zags and increased alertness.
		04.00	GF 2255
		07.21		Test dive.
		08.00	GF 2265
		08.04		Surfaced.
		12.00	GF 2276	Day's run 183.5 nm.
			φ = 22° 42' S
			λ = 7° 05' W
			EbyS 4-5, Sea 4-5, Vis. 8 nm

Sun and Moon Data 08.02.43

	- 17 -
		continued
		08.02.43	South Atlantic
		16.00	GF 2634
		20.00	GF 3441
		09.02.43	South Atlantic west of South Africa
		00.00	GF 3481
		04.00	GF 3732
		06.50 - 07.23		Crash dive for training.
		08.00	GF 3842
		12.00	GF 3859	Day's run 152 nm.
			φ = 24° 19.5' S
			λ = 4° 54' W
			EbyS 4, Sea 4, Vis. 8 nm
		16.00	GF 3899	With abating wind prepared to download [torpedoes].
		16.30		Begin downloading.
		20.00	GF 3899
		22.45		4 Atos downloaded, 2 bow - 2 stern room.
		10.02.43	South Atlantic west of South Africa
		00.00	GF 6312
		00.01		Test dive.
		00.21
		04.00	GF 6353
		08.00	GG 4172
		12.00	GG 4431	Day's run 184 nm.
			φ = 25° 34' S
			λ = 3° 3.5' W
			EbyS 1, Sea 0-1, Vis. 8-10 nm
		16.00	GG 4542
		17.23 - 17.43		Crash dive for training.
		20.00	GG 4583	No traffic, nothing of note.
		11.02.43	South Atlantic west of South Africa
		00.00	GG 4912
		04.00	GG 4962
		08.00	GG 5773

	Sun and Moon Data 08.02.43
	Sun and Moon Data 09.02.43
	Sun and Moon Data 10.02.43
	Sun and Moon Data 11.02.43

	- 18 -
		continued
		11.02.43	South Atlantic west of South Africa
		12.00	GG 8132	Day's run 185 nm.
			φ = 27° 21' S
			λ = 0° 17' W
			SSE 1-2, Sea 1, Vis. 10-12 nm
		16.00	GG 8251
		20.00	GG 8293	No traffic, nothing of note.
		12.02.43	South Atlantic west of South Africa
		00.00	GG 8387
		04.00	GG 8635
		07.17 - 07.50		Crash dive for training.
		08.00	GG 9446
		12.00	GG 9494	Day's run 171 nm.
			φ = 28° 58' S
			λ = 2° 22' E
			SEbyE 4, Sea 3-4, Vis. 8 nm
		16.00	GG 9815
		20.00	GG 9864	No traffic, nothing of note.
		13.02.43	South Atlantic west of South Africa
		00.00	GG 9975
		04.00	GQ 1336
		08.00	GQ 2146
		12.00	GQ 2191	Day's run 168 nm.
			φ = 30° 42' S
			λ = 4° 55' E
			ESE 3, Sea 2, Vis. 8 nm
		16.00	GQ 5511
		20.00	GQ 2551	No traffic, nothing of note.

	Sun and Moon Data 11.02.43
	Sun and Moon Data 12.02.43
	Sun and Moon Data 13.02.43

	- 19 -
		14.02.43	South Atlantic west of Cape Town
		00.00	GQ 2567	Course changed to 180° to intercept South America traffic.
		04.00	GQ 2837
		08.00	GQ 2894
		10.22 - 11.05		Crash dive for training.
		12.00	GQ 5261	Day's run 172 nm.
			φ = 33° 03' S
			λ = 6° 07' E
			SEbyE 1-2, Sea 0-1, Vis. 10-12
		16.00	GQ 5531
		20.00	GQ 5591	No traffic, nothing of note.
		15.02.43	South Atlantic west of Cape Town
		00.00	GQ 5591	Positioned 600 nm west of the main harbor, approaching the coast would only consume fuel, since we would arrive there 3 days before the full moon which makes it necessary to set off again. "Witte" and "Würdemann" are positioned off the main harbor.  Expect situation report.
				Intention: transit to the south of Agulhas Bank.  Transit to the east.
		04.00	GQ 5591
		08.00	GQ 5595
		12.00	GQ 5595	Day's run 67.5 nm.
			φ = 34° 21.5' S	Difference between dead reckoning and actual position after a navigation fix 138°T, 12.5 nm/day.
			λ = 6° 14' E
			NNW 1-2, Sea 0-1, Vis. 8 nm
		16.00	GQ 5595
		20.00	GQ 5598	No traffic, nothing of note.
		16.02.43	South Atlantic west of Cape Town
		00.00	GQ 5598
		04.00	GQ 5599
		08.00	GQ 5921
		12.00	GQ 5936	Day's run 60 nm.
			φ = 34° 40.5' S	Difference between dead reckoning and actual position 100°T, 20 nm/day.
			λ = 7° 40' E
			SbyW 4, Sea 3, Vis. 6-8 nm

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

	- 20 -
		continued
		16.02.43	South Atlantic west of Cape Town
		16.00	GQ 6753
		18.23 - 19.07		Crash dive for training.
		20.00	GQ 6766	"Witte" reports intermittent traffic out of the main harbor and one to the east on the 100-meter line.
		17.02.43	South Atlantic west of Cape Town
		00.00	GQ 6763	Stopped to save fuel.
		04.00	GQ 6735
		08.00	GQ 6735
		12.00	GQ 6735	Day's run 60 nm.
			φ = 34° 38.5' S	Difference between dead reckoning and actual position after a navigation fix: 339°T, 19nm/day.
			λ = 8° 44' E
			SbyW 2, Sea 1-2, Vis. 8-10 nm
		14.55 - 15.15		Crash dive for training.
		16.00	GQ 6732
		20.00	GQ 6732	No traffic, nothing of note.
		18.02.43	South Atlantic west of Cape Town
		00.00	GQ 6732
		04.00	GQ 6732
		08.00	GQ 6733	Day's run ./.
		12.00	GQ 6733	Difference between dead reckoning and actual position after a navigation fix: 30°T, 8 nm/day.
			φ = 34° 34' S
			λ = 8° 59' E
			EbyS 2, Sea 1, Vis. 8-10 nm
		16.00	GQ 6827
		18.26 - 18.45		Crash dive for training.
		19.17		Incoming Radio Message 1811/18/422:  "L a s s e n" receives freedom to maneuver in entire area up to and including KP.
		20.00	GQ 6865	Intention:  Advance to south edge Agulhas Bank with course to Cape Francis.  Arriving there by the waning moon.

	Sun and Moon Data 16.02.43
	Sun and Moon Data 17.02.43
	Sun and Moon Data 18.02.43

	- 21 -
		19.02.43	South Atlantic west of Cape Town
		00.00	GQ 6865
		04.00	GQ 6866
		08.00	GQ 6947
		12.00	GQ 6984	Day's run 97 nm.
			φ = 35° 20' S	Difference between dead reckoning and actual position after a navigation fix: 123°T, 14 nm/day.
			λ = 10° 33.5' E
		16.00	GQ 9331
			SbyW 7-8, Sea 6-7, Vis. 8 nm
		20.00	GR 7117	Night stopped due to the heavy sea.
				"W ü r d e m a n n" reports no traffic in the vicinity of the main harbor and up to the limit of the area to the south.
				"C l a u s e n" reports sinking in square KZ 42, course 285°, otherwise no traffic.
		20.02.43	South Atlantic southwest of Cape Town
		00.00	GQ 9339
		04.00	GQ 9338
		08.00	GQ 9363
		12.00	GR 7146	Day's run 86 nm.
			φ = 35° 55' S	Difference between dead reckoning and actual position after a navigation fix: 270°T, 22.5 nm/day.
			λ = 11° 39' E
			SE 4-5, Sea 4, Vis. 4-6 nm
		15.15 - 15.31		Crash dive for training.
		16.00	GR 7191
		20.00	GR 7275
		23.26		Incoming Radio Message 2220/20/436:  To "S e e h u n d".  Attack area "Clausen" north of the latitude of KP 6990, "Lassen" south of the latitude of KZ 3390, naval squares.
				Headed for the south edge of the Agulhas Bank on course 120°.
		21.02.43	South Atlantic southwest of Cape Town
		00.00	GR 7294
		04.00	GR 7376
		08.00	GR 7631
		12.00	GR 8415	Day's run 172 nm.
			φ = 36° 26' S	Difference between dead reckoning and actual position after a navigation fix: 220°T, 7 nm/day.
			λ = 15° 7.5' E
			EbyS 2, Sea 1, Vis. 10-12 nm

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

	- 22 -
		continued
		21.02.43	South Atlantic southwest of Cape Town
		16.00	GR 8434
		20.00	GR 8518	No traffic, nothing of note.
		22.02.43	South Atlantic south of Cape Town
		00.00	GR 8561
		04.00	GR 8645
		05.08 - 05.43		Test dive.
		08.00	GR 8656
		12.00	GR 9448	Day's run 170.5 nm.
			φ = 36° 54' S
			λ = 18° 35' E
			SWbyW 3, Sea 2-3, Vis. 8-10 nm
		16.00	GR 9483
		20.00	GR 9572	No traffic, nothing of note.
		23.02.43	South Atlantic south edge of the Agulhas Bank
		00.00	GR 9588
		04.00	GR 9598
		08.00	GR 9676
		12.00	GR 9691	Day's run 153 nm.
			φ = 36° 59' S
			λ = 21° 43.5' E
			W 4-5, Sea 3-4, Vis. 8 nm, steep swells
		16.00	KY 8345	Heavily growing Sea state from astern, course changed to 30° to take the seas from astern to port.
		20.00	KY 8353	No traffic.
		24.02.43	Indian Ocean southeast of the Agulhas Bank
		00.00	KY 8336
		04.00	KY 6778
		04.46		Dived due to the huge seas from astern.

	Sun and Moon Data 21.02.43
	Sun and Moon Data 22.02.43
	Sun and Moon Data 23.02.43
	Sun and Moon Data 24.02.43

	- 23 -
		continued
		24.02.43	Indian Ocean south east of the Agulhas Bank
		08.00	KY 9121
		11.05 - 11.17		Ventilated the boat.
		12.00	KY 9122	Day's run 106 nm.
			φ = 36° 27' S	Difference between dead reckoning and actual position after a navigation fix: 155°T, 33 nm/day.
			λ = 23° 41' E
			SbyE 5, Sea 5, Vis. 2-3 nm
		16.00	KY 9134
		17.14		Surfaced.
		20.00	KY 9136	No traffic, nothing of note.
		25.02.43	Indian Ocean south of Port Elizabeth
		00.00	KY 9222	Intention:  Advance to the north at 100 to 120 nm distance from the coast to remain beyond the current, then to the south of Durban close under land.
		02.39		Outgoing Radio Message 2317/24/451:  Reported situation in accordance with orders.
		04.00	KY 6977
		08.00	KY 6985
		12.00	KY 6966	Day's run 105 nm.
			φ = 35° 56' S	Difference between dead reckoning and actual position after a navigation fix: 341°T, 9.6 nm/day.
			λ = 26° 36' E
			ENE 1, Sea 0-1, Vis. 8-10 nm
		16.00	KZ 4723
		20.00	KZ 4572	No traffic, nothing of note.
		26.02.43	Indian Ocean southeast coast of Africa
		00.00	KZ 4553
		04.00	KZ 4614
		08.00	KZ 4373
		12.00	KR 4329	Day's run 200 nm.
			φ = 33° 55.5' S
			λ = 29° 50' E
			NW 2, Sea 1, Vis. 10-12 nm

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

	- 24 -
		continued
		26.02.43	Indian Ocean southeast coast of Africa
		16.00	KZ 2774
		20.00	KZ 2745	Course changed to 0°.  Intention:  Advance to the coast, submerged by day.  Boat is not to be seen at all cost, because advance is intended directly off the main harbor.
				No traffic, nothing of note.
		27.02.43	Indian Ocean east coast of Africa
		00.00	KZ 2475
		04.00	KZ 2412
		04.19		Dived, proceeding submerged by day.  Course set to South Sand Bluff.
		08.00	KZ 2411
		11.15	KZ 1396	A fast land-based aircraft sighted through the periscope bearing 310°T.  Southerly course parallel to the coast.  Boat proceeds with half hourly all around periscope sweeps.
		12.00	KR 1396	Day's run 148 nm.
			φ = 31° 47' S
			λ = 30° 10' E
			NNE 1, Sea 0-1, Vis. 2-3 nm
		16.00	KZ 1395
		18.12		Surfaced.
		18.28	KZ 1391	Navigation fix on "Cape Hermes" and "South Sand Bluff" Lighthouses bearing 276°T and 70°T.
		20.00	KZ 1367	No traffic, after charging stopped, current 4.5 knots to the SW parallel to the coast.
		28.02.43	Indian Ocean southeast coast of Africa south of Durban
		00.00	KZ 1339
		04.00	KZ 1365
		04.03		Navigation fix on "South Sand Bluff" and sounding line.  Dived, proceeding submerged against the current.
		08.00	KZ 1365
		12.00	KZ 1367	Day's run 58 nm.
			φ = 31° 30' S
			λ = 29° 54' E

	Sun and Moon Data 26.02.43
	Sun and Moon Data 27.02.43
	Sun and Moon Data 28.02.43

	- 25 -
		continued
		28.02.43	East coast of Africa south of Durban
		16.00	KZ 1367
		18.06		Surfaced.  Boat advances against the strong current.
		20.00	KZ 1339	Course 40°, advancing to the 80 to 100-meter line.  Distance from land 4 nm.
		22.12	KZ 2114	South Sand Bluff Lighthouse out of sight astern, Port Shepstone extinguished, apart from that identification of the other lighthouses as in peacetime.
				No traffic.
		01.03.43	East coast of Africa south of Durban
		00.00	KZ 2111
		03.52	KP 5751	Shortly before diving in the morning twilight a passenger steamer in sight bearing 95°T, course 30°.  Briefly attempted to maneuver ahead, then dived due to brightness.  No possibility of attack.
		04.00	KP 8781
		04.07		Dived.  Remained at periscope depth.
		04.45	KP 8781	Freighter sighted bearing 80°T, course 30°, both ships driving about 14-16 knots, zig zagging up to 50°, lowest range = 5000 - 8000 meters.
		05.20	KP 8781	By sound, mastheads of a destroyer detected bearing 177°T, course 30°, speed 15-18 knots, Type "JERVIS", lowest range = 4000 meters or more.  Up to now no possibility of attack.
		06.00	KP 8781	Both steamers and destroyer are lost from sight bearing 50°T.  Estimated size 6 and 8000 GRT.
		08.00	KP 8781
		08.30	KP 8781	Steamer sighted bearing 220°T, over it a flying boat, course 30°.  Approaching quickly, initiated attack.  Due to zig zags passed by.  Speed 16-18 knots, auxiliary cruiser type, 6000 GRT with American flag.  Apparently empty.  Lowest range = about 2000 meters.
		09.16	KP 8781	Escort boat in wake of the auxiliary cruiser, white lettering "LB I", high speed.
		09.25	KP 8781	Boat was alerted by heavy propeller sounds to a second escort boat, that approached with sharp target angle and high speed behind the first escort vessel and passes at low range, about 150 meters.
		09.39	KP 8781	Both escort boats out of sight bearing 30°T.
		09.47	KP 8781	Steamer out of sight bearing 30°T.

	Sun and Moon Data 28.02.43
	Sun and Moon Data 01.03.43

	- 26 -
		continued
		01.03.43	East coast of Africa south of Durban
		12.00	KP 8757	Day's run 68 nm.
			φ = 30° 37' S	In spite of heavy day traffic here submerged attack possibilities are limited.  Boat is up to now unnoticed, therefore attempt to reach a position for night attack on the observed traffic
			λ = 30° 35.5' E
			NNE 1, Sea 0-1, Vis. 8 nm
		16.00	KP 8757
		18.09		Surfaced.
		19.00	KP 8752	A faint light on the horizon bearing 65°T, developed into a very fast passenger steamer with faint top lanterns.  Course 200°, speed about 20 knots.
		19.57	KP 8755	Pursuit at AK broken off, because bearing shift amounts to 5° in 5 minutes.  Slight zig zags around 200°.  Single smoke stack, size about 10000 GRT.
		20.00	KP 8755
		20.06	KP 8755	Passenger steamer out of sight bearing 205°.
		22.28	KP 8722	Land detection on 156 cm.  Search detection with volume 3-5.  Initially ran off on northeasterly courses, zig zagged every 5 minutes, detection grew louder.  Ran off to the south and west, detection grew fainter.  Volume 3.  Detection varied searching, sometimes up to 1-minute duration on the boat then subsiding again at regular intervals.   Because I do not get out the detection area, stopped remained lying until the next morning. Up to now the boat is unnoticed and is positioned very close under land.  No attack.  Beacons extinguished.
				Intention:  By day get closer to the main harbor to observe traffic, then operate on the night route.
		02.03.43	East coast of South Africa south of Durban
		00.00	KP 8725
		03.30	KP 8725	Last detection.  Up to that point detections were all 4-5 minutes.
		04.00	KP 8725
		04.03	KP 8725	Dived.
		07.53	KP 8722	Freighter sighted bearing 214°T, course 20° with land-based aircraft as close escort.  Distance from the coast 1 -1-1/2 nm.  Estimated size 4-5000 GRT.  Low speed.  No possibility of attack.  Range = roughly 4000 meters.

	Sun and Moon Data 01.03.43
	Sun and Moon Data 02.03.43

	- 27 -
		continued
		02.03.43	East coast of South Africa south of Durban
		08.00	KP 8722
		08.30	KP 8722	5 steamers, 2 escorts sighted bearing 68°T, course 200°, out of range (superstructure just over the horizon).  With land-based aircraft as remote and close escort.
		08.40	KP 8722	A formation of land-based aircraft over the convoy.
				True bearing of the forward, center and aft ships:  70°, 68° 67°.  The whole day by heavy air.
		12.00	KP 8725	Day's run 75.5 nm.
			φ = 30° 14' S
			λ = 30° 56.5' E
			NEbyE 1-2, Sea 1, Vis. 8 nm
		16.00	KP 8728
		18.10		Surfaced.
		20.00	KP 8776	Intention:  Deploy by day so that outbound traffic or convoy sighted one or two hours before evening twilight can be pursued, therefore back and forth on the 200-meter line about at Port Shepstone.
		03.03.43	East coast of South Africa south of Durban
		00.00	KZ 2114
		04.00	KP 8778
		04.01		Submerged with half hourly all around periscope sweeps.
		08.00	KZ 2111
		12.00	KZ 2111	Day's run 59 nm.
			φ = 31° 03' S
			λ = 30° 19' E
			NEbyN 3-4, Sea 3, Vis. 8 nm
		14.00	KZ 2111	Convoy in sight bearing 46.5°T.  10 ships, 3 escort vessels, course 200°, outside the 200-meter line.  Immediately ran with on course 180°.  Land-based aircraft over the convoy.  8 freighters and 2 tankers counted, formation:  staggered line ahead.
				Escort:  on both sides one U-boat hunter, forward a corvette,   On approaching closer to the lateral screen, modern U-boat hunter with sound gear installed.  Positioned unfavorably for a day attack, because far shot is only possible on one steamer.  Convoy speed 8 knots.  Therefore remained unnoticed and pursued.

	Sun and Moon Data 02.03.43
	Sun and Moon Data 03.03.43

	- 28 -
		continued
		03.03.43	East coast of South Africa south of Durban
		16.00	KZ 1339	Ships are all loaded, some freighters with high wooden structures as deck cargo
		18.05		Surfaced.  In the twilight only brief contact on mastheads, convoy has changed course to SE.
		19.02	KZ 1366	Aircraft with set lights over the convoy.  In oncoming darkness contact lost for a short time, pursued at GF and closed again.
		19.38	KZ 1369	Detection on 138 cm range sea craft searching, later steady tone, volume 5.
		20.00	KZ 2171	Despite often loud steady tones (sometimes 5 minutes long) no attack by escorts observed.  Aircraft is no longer seen.  Escorts remain positioned on both sides, one corvette ahead sweeping to and fro.  Convoy formation:  double echelon line ahead, speed 8 knots.
				Run to from astern and pursue into the convoy to the level of the third ship from the rear.  Sequence of the ships to starboard 6000 GRT freighter, 8000 GRT tanker, 7000 GRT freighter.  To port a second line ahead.  Come to starboard to shoot.
		21.22	KZ 2175	Shot from tube I:  G 7e, depth 3 meters, target speed = 8 knots, target angle = 110°, range = 1000 meters.
				Hit after 55 seconds running time (825 meters).
		21.22	KZ 2175	Shot from tube II:  G 7e, depth 3 meters, target speed = 8 knots, target angle = 100°, range = 1800 meters.
				Hit amidships after 95 seconds running time (1425 meters).
		21.23	KZ 2175	Shot from tube III:  G 7e, depth 3 meters, target speed = 8 knots, target angle = 100°, range = 1200 meters.
				Hit after 101 seconds running time (1515 meters).
				Tanker sinks immediately after dark red explosion.  Crews of the freighters take to the boats.  First steamer sinks after 10 minutes.  Second freighter breaks amidships, sinks slowly over the stern.  Defense:  A U-boat hunter at the sinking location searches with a searchlight.  Both of the other escorts shoot alternately with star shells.  Withdrew to the rear, because there is no protection here the boat remains unseen, while the convoy in the bright light of the star shells and searchlight can be distinguished easily.  Also now and again sea detection with continuous tone, then a strong depth charge shock without anything being seen.

Sun and Moon Data 03.03.43

	- 29 -
		continued
		03.03.43	East coast of South Africa south of Durban
				A steamer shoots with anti-aircraft weapons roughly in the direction of the boat after a depth charge detonation.  The lead ship signals course change with night signaling apparatus.  To wit:  red-red-white course change to port and green-green-red the same to starboard.
				After things settle down, initiated the second attack.  Came to firing position on 2 freighters, again pursuing from the rear.
		23.10	KZ 2413	Shot from tube I:  G 7a, depth 3 meters, target speed = 8 knots, target angle = 80°, range = 1500 meters.
				Hit amidships after 82 seconds (1640 meters).
		23.11	KZ 2413	Shot from tube IV:  G 7a, depth 3 meters, target speed = 8 knots, target angle = 80°, range = 1500 meters.
				Hit amidships after 74 seconds running time (1480 meters).
				Both freighters sink.  Estimated size 5000 and 6000 GRT.  One had already disappeared after the explosion smoke dissipates, the second sinks slowly over the stern.  Last observation after 20 minutes bow positioned up and down.  Defense:  escort at sinking location, otherwise no star shells, no course changes with night signaling apparatus.
		23.20	KZ 2421	Sea detection up to 23.20 hours, then set off.  Convoy has zig zagged from SE over E to SE.  Hold contact on a large steamer, shortly before attacking makes a full circle zig zag.  Afterwards forms a group with two freighters on course 90°.  A second group is only faintly still made out, apparently zig zagged to the S.  Escorts are no longer seen, Convoy has split.  Hold contact on these three freighters and run to attack.  All three are very large ships, including also the lead ship.
		04.03.43	Indian Ocean southeast of Durban.
		00.00	KZ 2421	Ships have increased speed, by matching speed from astern estimated 12 knots.  Attack with stern tubes on 2 freighters, each 8000 GRT including the lead ship.  Formation:  echelon line ahead, third freighter for the most part overlapped and further off.
		01.13	KZ 2422	Shot from tube V:  G 7e, depth 3 meters, target speed = 12 knots, target angle = 80°, range = 1200 meters.  Miss!
		01.14	KZ 2422	Shot from tube VI:  G 7e, depth 3 meters, target speed = 12 knots, target angle = 100°, range 1200 meters.  Miss!
				Cause 2 knot speed over estimation.  After repeating matching speed results:  enemy speed 10 knots.

	Sun and Moon Data 03.03.43
	Sun and Moon Data 04.03.43

	- 30 -
		continued
		04.03.43	East coast of South Africa south of Durban
		01.46	KZ 2423	Second attack with bow tubes.
				Shot from tube II:  G 7e, depth 4 meters, target speed = 10 knots, target angle = 80°, range = 1000 meters.
				Hit after 66 seconds running time (990 meters).
		01.47	KZ 2423	Shot from tube III:  G 7e, depth 4 meters, target speed = 10 knots, target angle = 90°, range = 1500 meters.
				Hit after 74 seconds running time (1110 meters).
				First freighter remains lying with hit in foreship and heavily down by the bow.  Propeller peeks out of the water.
				Second freighter remains lying after hit amidships with heavy oil fire.  The crew of both ships takes to the boats and abandons ship.
				Third steamer zig zags to the south at high speed.  At the moment have no torpedoes ready, one each bow and stern being reloaded.
				Pursuit of the third freighter broken off, because I can no longer get in position for a night attack.
				Therefore as soon as torpedoes reloaded shoot a coup de grâce on the first steamer, only floating on the hatches.
		02.36	KZ 2423	Coup de grâce from tube I:  G 7e, depth 4 meters, range = 1000 meters.  Failure, unexplained.
		02.41	KZ 2423	While turning for a coup de grâce with stern torpedo a rapidly approaching destroyer comes in sight with target angle 0°, about bearing 260°T.  Ran off at AK because the moon and approaching twilight permit no further attack.  Sinking of both freighters is probable.
		03.30	KZ 2423	Both freighters and destroyer out of sight, the latter probably conducting rescue operations.
		04.00	KZ 2186	Dived.
				Intention:  Advance to the N for surprise advance off Cape Santa Lucia
				Up to now no Radio Message, because convoy split and other boats are too far away, pursuit by day due to air patrols and closeness to land hopeless.
		05.05	KZ 2186	Land-based aircraft sighted through the periscope.
		08.00	KZ 2183
		12.00	KZ 2159	Day's run 121 nm.
			φ = 31° 33' S
			λ = 31° 00' E
			S 3, Sea 2, Vis. 8 nm

Sun and Moon Data 04.03.43

	- 31 -
		continued
		04.03.43	Indian Ocean southeast of Durban
		16.00	KZ 2161
		18.04		Surfaced.
		19.10		Outgoing Radio Message 1707/4/491:  Successes and situation report sent.
		20.00	KZ 2136
		05.03.43	Indian Ocean east of Durban
		00.00	KP 8873
		04.00	KP 8829
		04.04		Dived.
		08.00	KP 8826
		12.00	KP 8831	Day's run 106.5 nm.
			φ = 30° 07' S
			λ = 32° 17' E
			ESE 4-5, Sea 4, Vis. 6-8 nm
		16.00	KP 8598
		18.04		Surfaced, no navigation fix.
		20.00	KP 8671	No traffic.
		06.03.43	South east Africa, northeast of Durban
		00.00	KP 8658
		04.00	KP 8639	Dived.  Intention to reload abandoned due to heavily freshening SE-wind, producing large Sea state.
		08.00	KP 8639
		12.00	KP 8636	Day's run 94 nm.
			φ = 29° 21' S
			λ = 33° 47' E
			EbyS 5-6, Sea 5, Vis. 6-8 nm
		16.00	KP 9411
		17.45		Surfaced, night stopped due to large seas from land.  No navigation fix.
		20.00	KP 9411
		23.52		Incoming Radio Message 1026/6/402:  "To L a s s e n" Well done.

	Sun and Moon Data 19.03.43
	Sun and Moon Data 19.03.43
	Sun and Moon Data 20.03.43

	- 32 -
		07.03.43	South east Africa, east of Durban
		00.00	KP 9411
		04.00	KP 9411
		04.21		Dived.
		08.00	KP 9411
		12.00	KP 9412	Day's run 15.5 nm.
			φ = 29° 12' S
			λ = 34° 01.5' E
			EbyN 5, Sea 4, Vis. 4-6 nm
		16.00	KP 9413
		17.46		Surfaced.  No navigation fix.
		20.00	KP 9413	No traffic.
		08.03.43	South east Africa, north of Durban
		00.00	KP 9413	Intention:  Run to the coast, as for days no navigation fix.
		04.00	KP 9413	Dived.
		08.00	KP 9187
		11.44	KP 9187	By sound tanker sighted bearing 120°T, course 280°.  Only masts and superstructure out, no possibility of attack.  I believe that the tanker will still enter the main harbor by day.
				(Assumed position directly off main harbor, therefore, not pursued).
		12.00	KP 9179	Day's run 17 nm.
			φ = 29° 09' S
			λ = 34° 07' E
			E 4, Sea 4, Vis. 6-8 nm, medium swell
		12.53	KP 9179	Tanker out of sight bearing 260°.  Estimated speed 11 knots.
		16.00	KP 9178
		17.53		Surfaced.
		19.06	KP 9178	Freighter in sight bearing 100°T.  Course 300°, zig zagging 30°, speed 12 knots, estimated size 7000 GRT.
		20.00	KP 9174	Have maneuvered ahead, matched enemy speed, approach for shot with stern torpedo.
		20.20	KP 9174	Shot from tube VI:  G 7e, depth 3 meters, target speed = 12 knots, target angle = 41°, range = 800 meters.
				Hit forward edge of the bridge after 21 seconds running time (315 meters).  Very high fire column, highly combustible cargo, suspect cotton.

	Sun and Moon Data 19.03.43
	Sun and Moon Data 19.03.43
	Sun and Moon Data 20.03.43

	- 33 -
		continued
		08.03.43	South east Africa, north of Durban
		20.32	KP 9174	Coup de grâce from tube III:  G 7a, depth 4 meters, hit after 44 seconds running time.  The last third of the steamer breaks off.  Cargo burns above all.  Refrain from other finishing shot, because steamer still floats temporarily on the cargo, afterwards, however, will sink.  Every now and then burning cargo flies in the air.  Crew is in the boats.  Run off to reload, because the fire glow is visible a long way off.
		23.30		Begin reloading.
		09.03.43	South east Africa, north of Durban
		00.00 - 03.00	KP 8383	Transfer ended.  All torpedoes below deck (1 Eto and 5 Atos).
		03.06 - 03.16		Test dive.
		04.00	KP 8383	Dived.  Intention:  Detect day and night traffic at Santa Lucia and then during the full moon period set off to operate on observed traffic.
		08.00	KP 8382
		12.00	KP 8381	Day's run 61.5 nm.
			φ = 28° 55' S
			λ = 33° 04' E
			NEbyE 2, Sea 1, Vis. 5-6 nm
		16.00	KP 8373
		17.48		Surfaced.
		20.00	KP 8371
		21.31	KP 8266	Land is made out, beacons are extinguished, boat remains lying stopped on the 200-meter line.
		23.21		Incoming Radio Message 1320/9/425:  To "L a s s e n"
				In grateful appreciation of your exemplary operations in the battle for the future of our people I award you as 208th soldier of the German Armed Forces the Oak Leaves to the Knight's Cross of the Iron Cross.
				A d o l f   H i t l e r .
		10.03.43	South east Africa, north of Durban
		00.00	KP 8263
		04.00	KP 8265
		04.07		Dived.

	Sun and Moon Data 08.03.43
	Sun and Moon Data 09.03.43
	Sun and Moon Data 10.03.43

	- 34 -
		continued
		10.03.43	South east Africa, north of Durban
		04.43	KP 8268	Steamer sighted bearing 10°T.  Course 270°. Zig zagging around 200°.  Very fast ship, no possibility of attack.  Range about 8000 meters.   Heading for the coast here at dawn. I suppose also here outbound traffic in the late afternoon.  As to the south of Durban
		08.00	KP 8291
		12.00	KP 8291	Day's run 65 nm.
			φ = 28° 57' S
			λ = 32° 13.5' E
			NE 4-5, Sea 3, Vis. 8 nm
		16.00	KP 8294
		17.48		Surfaced, despite exhaustive all around sweep nothing seen, nothing heard.
		17.49	KP 8294	Four ships two destroyers in sight bearing 230°T, course 50°, range = 8000 meters or more.
				Put convoy astern, blow with pressure air, attempt to approach.  Am located in favorable position on the dark horizon and hope to have luck reaching attack position.  No forward escort noticed, to each side of the steamers is a destroyer.  Formation of the steamers line abreast.
		18.00	KP 8294	Crash dive due to aircraft detection.  Steady tone strength 5 on 169 cm horizontally polarized.  Attempt to reach attack position submerged, however cannot see in the periscope.  The convoy must have held the NE-course.   Intend to let convoy pass over me and then pursue, in the hope that detection only persists until moonset.
		19.35		Surfaced, pursued.
		19.45	KP 8294	Crash dive for aircraft detection as above.
		20.00	KP 8294
		20.55		Surfaced, pursued.
		21.06	KP 8298	Crash dive for aircraft detection as above.
		22.43		Surfaced, pursued.
		23.02	KP 8299	Crash dive for aircraft detection as above.
				Pursuit broken off, because reaching the position for a night attack is no longer possible.  Enemy speed 10 knots.  I see at the moment no possibility, with such a small number - in this case 6 vessels including escorts to reach attack position, if the boat is detected by air locating.  One cannot wait for the attack of an aircraft at night, because the attack is seen too late. With a larger number of vessels

Sun and Moon Data 10.03.43

	- 35 -
		continued
		10.03.43	South east Africa, north of Durban
				I believe that air locating in the vicinity of the convoy is ineffective.
			As countermeasure one needs a detection screen, i.e. a device that isolates the boat against the detection frequency.
		23.12		Surfaced.
		11.03.43	South east Africa, north of Durban
		00.00	KP 8612	Crash dive for aircraft detection as above.
		00.42		Surfaced.
		01.28		Outgoing Radio Message 1807/10/433:  Kr Kr from "L a s s e n"
				18.00 hours naval square KP 8294.  Four ships two destroyers, 10 knots, course 50°.  No contact due to aircraft detection.
		01.40	KP 8613	Crash dive for aircraft detection as above.
		02.14		Surfaced.
		02.42	KP 8621	Crash dive for aircraft detection as above.
		03.14		Surfaced.
		03.58		Dived to proceed submerged.
		04.00	KP 8625
		08.00	KP 8626
		12.00	KP 8636	Day's run 83 nm.
			φ = 29° 19' S
			λ = 33° 37.5' E
			NEbyN 4, Sea 3, Vis. 8 nm
		16.00	KP 9414
		17.49		Surfaced.
		19.20	KP 9179	Shadows in sight bearing 300°T, freighter, course 280°T, estimated at 6000 GRT.
		20.00	KP 9178	Matched speed, 10 knots.  Come to shooting position with bow tubes.
		20.17	KP 9178	Shot from tube I:  G 7a, depth 4 meters, target speed = 10 knots, target angle = 80°, range = 1500 meters.
				Hit after 45 seconds running time (900 meters).
		20.17	KP 9178	Shot from tube II:  G 7a, depth 4 meters, target speed = 10 knots, target angle = 110°, range = 1500 meters.
				Hit after 41 seconds running time (820 meters).
				Heavy detonations, however steamer still floats on the hatches.  Crew abandons ship.  I decide on a coup de grâce.
		20.32	KP 9178	Shot from tube V:  G 7a, depth 5 meters, hit after 32 seconds running time (640 meters).

	Sun and Moon Data 10.03.43
	Sun and Moon Data 11.03.43

	- 36 -
		continued
		11.03.43	South east Africa, north of Durban
		20.35	KP 9178	Steamer is sunk over the stern.  Approached a boat, name was lettered "A R Y B A N" 6000 GRT, taking piece goods to Durban.
		12.03.43	South east Africa, northeast of Durban
		00.00	KP 8395	Intention:  Operate on observed course.
		04.00	KP 8369
		08.00	KP 8392
		12.00	KP 8398	Day's run 103 nm.
			φ = 29° 07' S
			λ = 33° 36.5' E
			NNE 4, Sea 3-4, Vis. 8 nm
		16.00	KP 8632
		20.00	KP 8399	No traffic, nothing of note.
		13.03.43	South east Africa, northeast of Durban
		00.00	KP 9184
		04.00	KP 9184
		04.04 - 05.10		Test dive.
		06.48	KP 9189	Smoke feather sighted bearing 38°T.
		06.53	KP 9189	Another smoke feather sighted bearing 50°T.
				1 mast and smoke stack comes out on both.  Look like patrol vessels, both zig zagging on general course 230°, slow speed.
		08.00	KP 9185	Maneuvered ahead, however such that I am laterally displaced so as not to come between both, if it is a patrol group.
		08.13		Dived.  Through the periscope both vessels were perfectly recognized as patrol vessels or U-boat hunters.  Fishing trawler silhouette.
		09.19	KP 9185	Both patrol vessels suddenly have target angle 0° and run towards the boat with operating sound gear.  Believe the boat has been detected by sound gear, because both patrol vessels zigzagged regularly before, whereby the outer has a broad target angle about abeam before turning at about 2000 meters.
				Go at LF to depth A +20 meters, then at silent speed and ran off on changing courses.

	Sun and Moon Data 11.03.43
	Sun and Moon Data 12.03.43
	Sun and Moon Data 13.03.43

	- 37 -
		continued
		13.03.43	South east Africa, northeast of Durban
				Because the boat has not been sighted, the enemy also has no clue as to the validity of his detection.  By listening the RPM of the patrol vessels remain the same.  After some time regular moving on is determined
			Nevertheless I am convinced that boat was held temporarily by the gear.
		11.30	KP 9181	At periscope depth only the very faint smoke cloud of the patrol vessels bearing 270°T.  Assumption:  search group.
		12.00	KP 9181	Day's run 98.5 nm.
			φ = 28° 54.5' S
			λ = 34° 22.5' E
			NEbyN 2, Sea 1, Vis. 10 nm
		16.00	KP 9182
		16.07		Surfaced.
		20.00	KP 9164
		14.03.43	South east Africa, northeast of Durban
		00.00	KP 9135	Night stopped.  "Clausen" reports sinking in square KP 6827, course 240°.
		04.00	KP 9135	Intention:  Search for day traffic, heading for the coast on courses 280-300°.
		08.00	KP 9247
		12.00	KP 9521	Day's run 102 nm.
			φ = 29° 15.5' S
			λ = 35° 28' E
			SbyE 2-3, Sea 1-2, Vis. 10 nm
		13.44		Incoming Radio Message 1228/14/452:  2)  For "Seehund boats" supply in the lower third of naval square DG is anticipated.  Kommandants decide on own return transit with or without supply based on own situation (number of torpedoes, traffic).  Report intentions later when starting return transit.
				I had counted on supply in the lower third of EH in accordance with "Seehund Operations Order", therefore I decide on return transit.  Traffic could only be detected with certainty under the coast.  However, this is not possible at the moment.  I also believe that return transit with a torpedo inventory of three torpedoes through the whole South Atlantic is appropriate.
		17.13		Outgoing Radio Message 1558/14/453:  Successes and return transit report sent.

	Sun and Moon Data 13.03.43
	Sun and Moon Data 14.03.43

	- 38 -
		continued
		14.03.43	South east Africa, northeast of Durban
		17.29	KP 9582	Crash dive for aircraft detection 169 cm, volume 3.
		20.00	KP 9586
		20.05		Surfaced.
		20.11	KP 9586	Crash dive for aircraft detection as above.
				Belief:  that my position has been exactly fixed.
		15.03.43	South east Africa, east of Durban
		00.00	KP 9589
		00.50		Surfaced.
		01.00	KP 9823	Crash dive for aircraft detection as above.
		02.36		Surfaced.
		03.10	KP 9823	Patrol vessel in sight bearing 250°T, target angle 0° and high speed.  Ran off at AK 30° off [his bearing] on courses 270 or 210°, in order to generate target angle.  Distance becomes about 4000 meters, patrol vessel constantly remains sharp [small target angle] and comes on strongly puffing away.
		03.30	KP 9823	Patrol vessel suddenly develops target angle and has apparently lost the boat, no air detection, no sea detection.  Run further off on course 200°.  Shortly before morning twilight I attempt to put the patrol vessel below the horizon so I won't have to dive again.  Battery is half empty and the boat must get away from this position.
		03.40	KP 9823	Second shadow in sight bearing 180°T.  Details not distinguished.  Initially held as a destroyer, because the shadow is very long.  Due to morning twilight no further running off is possible, therefore dived just in time.
		04.00	KP 9826	Dived, immediately went to periscope depth.  Only a smoke cloud can still be seen of the patrol vessel.  The second shadow developed as a steamer, course 300°, estimated at 4-5000 GRT.  No attack possible, because broad target angle, range = 5000 meters.  Pursuit not promising due to day air, because the boat was detected.
		05.07	KP 9826	Steamer out of sight bearing 300°T.  Patrol vessel and steamer do not belong together in my opinion, in addition the distance between them is too great.  Probably a stationary patrol.
		08.00	KP 9829

	Sun and Moon Data 14.03.43
	Sun and Moon Data 15.03.43

	- 39 -
		continued
		15.03.43	South east Africa, east of Durban
		12.00	KP 9861	Day's run 81.5 nm.
			φ = 30° 30' S
			λ = 35° 46' E
			NEbyN 2, Sea 1, Vis. 8 nm
		16.00	KP 9864
		17.20	Bright moon	Surfaced.
		18.33	KP 9883	Steamer with destroyer or patrol vessel in sight bearing 180°T.  While maneuvering ahead determined that enemy speed was 17 knots or more.
		20.00	KP 9888	Destroyer was only seen briefly, apparently a stationary patrol.  Bearing of the steamer shifts ahead.  I attempt to get ahead by the course changes during his zig zags, steamer was small anyway.  Type and size not exactly determined in the moonlight.  Course 300°.
		21.00		Pursuit broken off.
		21.31	KP 9875	Steamer out of sight bearing 300°T.
				Intend to operate on departing SE traffic on crossing courses.
		16.03.43	South east Africa, southeast of Durban
		00.00	KZ 3136
		04.00	KZ 3156
		08.00	KZ 3179
		12.00	KZ 2663	Day's run 167 nm.
			φ = 32° 17' S
			λ = 33° 46' E
			N 2-3, Sea 2, Vis. 8 nm
		16.00	KZ 2686	Main ballast and reserve fuel oil tank 2 and 7 converted to function as ballast tanks.
		17.46 - 18.10		Test dive.
		20.00	KZ 2918	No traffic, nothing of note.
		17.03.43	Indian Ocean, southeast coast of Africa
		00.00	KZ 2895
		04.00	KZ 5222

	Sun and Moon Data 15.03.43
	Sun and Moon Data 16.03.43
	Sun and Moon Data 17.03.43

	- 40 -
		continued
		17.03.43	Indian Ocean, southeast coast of Africa
		08.00	KZ 5215
		12.00	KZ 5162	Day's run 170 nm.
			φ = 33° 59' S
			λ = 31° 12.5' E
			SE 3, Sea 3, Vis. 8 nm
		16.00	KZ 5154
		20.00	KZ 4368	No traffic, nothing of note.
		18.03.43	Indian Ocean, south coast of Africa
		00.00	KZ 4384	Course set for the south edge of the Agulhas Bank.
		04.00	KZ 4299
		06.00		Dived, proceeded submerged by day.
		12.00	KZ 4525	Day's run 148 nm.
			φ = 34° 47' S
			λ = 28° 22.5' E
			ENE 5, Sea 3, Vis. 6-8 nm
		16.00	KZ 4518
		17.45		Surfaced.
		20.00	KZ 4467	No traffic, nothing of note.
		19.03.43	Indian Ocean, south coast of Africa
		00.00	KZ 4478
		04.00	KY 6934
		05.00		Dived.
		08.00	KY 6924
		12.00	KY 6918	Day's run 143 nm.
			φ = 35° 43' S
			λ = 25° 40' E
			ENE 6, Sea 4, Vis. 6-8 nm
		16.00	KY 6863
		17.57		Surfaced.  Heavily increasing Sea state from astern forces course change from 250 to 280°.
		20.00	KY 6852	No traffic.

	Sun and Moon Data 17.03.43
	Sun and Moon Data 18.03.43
	Sun and Moon Data 19.03.43

	- 41 -
		20.03.43	Indian Ocean, south coast of Africa
		00.00	KY 6762
		04.00	KY 6746
		04.52		Dived due to poor visibility, Sea state.
		08.00	KY 5993
		12.00	KY 5997	Day's run 155.5 nm.
			φ = 36° 16.5' S
			λ = 22° 48' E
			NEbyE 8, Sea 7, Vis. 4 nm
		16.00	KY 8325
		17.35		Surfaced.
		20.00	GR 9668	No traffic, nothing of note.
		21.03.43	Indian Ocean, south edge of the Agulhas Bank
		00.00	GR 9657
		04.00	GR 9569
		06.02		Dived.
		06.04		Surfaced due to unexplained stern heaviness, boat cannot be held.  Immediate subsequent diving attempt also unsuccessful.   Everything is thoroughly checked.  A cause cannot be determined.
		07.12		Dived, everything is in order, nothing determined.  Because the main ballast and reserve fuel oil tanks are blown daily and also were blown this morning before diving, the stern heaviness during the first dive is inexplicable.  Nevertheless it is suspected that there was residual air in main ballast and reserve fuel oil tank 7.
		08.00	GR 9555
		12.00	GR 9543	Day's run 138 nm.
			φ = 36° 41.5' S
			λ = 20° 7.5' E
			WNW 5, Sea 4, Vis. 5-8 nm
		16.00	GR 9518
		17.58		Surfaced.
		18.23		Normal diving maneuver to check everything one more time, nothing determined.  Also believe as above.
		18.30		Surfaced.
		20.00	GR 9514	No traffic.

	Sun and Moon Data 20.03.43
	Sun and Moon Data 21.03.43

	- 42 -
		22.03.43	South Atlantic south of Cape Town
		00.00	GR 9185
		04.00	GR 8366
		06.00		Dived, dived by day with hourly periscope sweeps.
		08.00	GR 8325
		12.00	GR 8313	Day's run 142 nm.
			φ = 35° 27' S	New course 310°.
			λ = 17° 40' E
			SE 5, Sea 3-4, Vis. 8 nm
		16.00	GR 5978
		18.00		Surfaced.
		20.00	GR 5892
		23.03.43	South Atlantic west of Cape Town
		00.00	GR 5818
		04.00	GR 5489
		07.00		Dived.
		08.00	GR 5444
		12.00	GR 4663	Day's run 170 nm.
			φ = 33° 59' S
			λ = 14° 43' E
			SSW 5, Sea 3-4, Vis. 6-8 nm
		16.00	GR 4637
		20.00	GR 4378	Surfaced.
				"Wiebe" reports sinking in GJ 7395, course 290°.
				Intention:  xx nm from the coast initially on course 320°, then 340° operating on observed coastal traffic.
		24.03.43	South Atlantic southeast of Cape Town
		00.00	GR 4264
		04.00	GR 4227
		08.00	GR 1877
		12.00	GR 1759	Day's run 167 nm.
			φ = 32° 26' S
			λ = 12° 03' E
			S 1-2, Sea 2, Vis. 8 nm
		16.00	GR 1719	No traffic, nothing of note.
		20.00	GR 3696 [typo actually GQ]

	Sun and Moon Data 22.03.43
	Sun and Moon Data 23.03.43
	Sun and Moon Data 24.03.43

	- 43 -
		25.03.43	South Atlantic west of South Africa
		00.00	GQ 3652
		04.00	GQ 3379
		06.19 - 06.55		Test dive.
		08.00	GQ 3269
		10.00	GQ 3261	Masthead sighted bearing 241°T, steamer, course 85°, slow speed.  Yellow smoke stack with black cap distinguished.
		11.32		After maneuvering ahead, dived.
		12.00	GQ 3262	Day's run 178 nm.
			φ = 30° 22' S
			λ = 09° 57' E
			NNW 1, Sea 0-1, Vis. 8 nm	Enemy steers a straight course, was recognized as a neutral.  Argentinean with flag and writing on the hull "PARANA Buenos Aires".  From range = 2200 meters estimated size 3500 GRT.
				(actual size 3286 GRT).
		12.32	GQ 3262	Attack broken off.  Enemy speed 7-8 knots.
		13.40	GQ 3262	Surfaced, steamer is out of sight.
		16.00	GQ 3238
		19.09		Incoming Radio Message 1814/25/443:  "Seehund boats".  Operate as long as possible in southern area.  Supply in about DG southern third possible.
		20.00	GH 8997	Intentions:  On course 0° continue to operate up to the latitude of Swakopmund.  With favorable moon there to the coast, along the same to the south up to Port Nolloth.  If up to then nothing is seen, return transit is necessary.  Still have 40 day's provisions, 115 cbm.
		26.03.43	South Atlantic southwest coast of Africa
		00.00	GH 8946
		04.00	GH 8832
		08.00	GH 8555
		12.00	GH 8288	Day's run 155.5 nm.
			φ = 28° 10' S
			λ = 08° 31.5' E
			E 2, Sea 1-2, Vis. 8 nm
		16.00	GH 8228
		20.00	GH 5885	No traffic, nothing of note.

	Sun and Moon Data 25.03.43
	Sun and Moon Data 26.03.43

	- 44 -
		27.03.43	South Atlantic southwest coast of Africa
		00.00	GH 5882
		04.00	GH 5858
		06.33 - 06.54		Test dive.
		08.00	GH 5852	Ran on course 70° to Conception Bay to detect coastal traffic there, then advance to the south.  If outbound Cape Town traffic leaves here or further south, will move back and forth in position.
		12.00	GH 5582	Day's run 120 nm.
			φ = 26° 12' S
			λ = 8° 27' E
			SSE 4, Sea 3, Vis. 8 nm
		15.45 - 15.53		Crash dive for training.
		16.00	GH 5525
		20.00	GH 5522	No traffic, nothing of note.
		28.03.43	South Atlantic southwest coast of Africa
		00.00	GH 5521
		04.00	GH 5279
		08.00	GH 5283
		12.00	GH 5357	Day's run 101 nm.
			φ = 25° 05' S
			λ = 9° 08' E
			SE 4, Sea 3-4, Vis. 8 nm
		16.00	GH 5363
		20.00	GH 6126	No traffic, nothing of note.
		29.03.43	South Atlantic southwest coast of Africa
		00.00	GH 6213
		04.00	GH 3897	Stopped on the 200-meter line.
			Fog, Vis. bad
		07.30		Dived, day advance to the coast on course 90° up to the 80-meter line, then on course 180° and half hourly all around sweeps.
		08.00	GH 3984	Land appears, however because there is only a short distance, a position fix is not possible.  However, coastal traffic can be detected in moderate visibility.
		12.00	GH 3985	Day's run 163.5 nm.
			φ = 24° 26' S
			λ = 12° 04' E
			SEbyS 4-5, Sea 3-4, Vis. 4-6 nm

	Sun and Moon Data 27.03.43
	Sun and Moon Data 28.03.43
	Sun and Moon Data 29.03.43

	- 45 -
		continued
		29.03.43	South Atlantic southwest coast of Africa
		16.00	GH 3991
		19.32		Surfaced.
		20.00	GJ 1771	No traffic, nothing of note.
		30.03.43	South Atlantic southwest coast of Africa
		00.00	GJ 1764	Also at night a lot of fog, heavily changing visibility.
		04.00	GJ 1852
		06.45		Dived.
		08.00	GJ 1839
		12.00	GJ 1941	Day's run 128 nm.
			φ = 24° 02' S
			λ = 14° 19.5' E
			ESE 2, Sea 2, Vis. changing 2-4 nm, fog
		16.00	GJ 1944
		19.33		Surfaced.
		20.00	GJ 1947
		31.03.43	South Atlantic southwest coast of Africa
		00.00	GJ 1947
		04.00	GJ 1947
		06.53		Dived.
		08.00	GJ 1899
		12.00	GJ 4233	Day's run 43 nm.
			φ = 24° 40' S
			λ = 14° 15' E
			SW 1, Sea 0-1, Vis. 1000-3000 meters
		16.00	GJ 4236
		20.00	GJ 4261	Surfaced.
				No traffic, nothing of note.
		01.04.43	South Atlantic southwest coast of Africa
		00.00	GJ 4299	Advance along the coast to the south.
		04.00	GJ 4563
		07.00		Dived, sound range is greater than visibility, which alternates heavily.

	Sun and Moon Data 29.03.43
	Sun and Moon Data 30.03.43
	Sun and Moon Data 31.03.43
	Sun and Moon Data 01.04.43

	- 46 -
		continued
		01.04.43	South Atlantic southwest coast of Africa
		08.00	GJ 4593
		12.00	GJ 4672	Day's run 101.5 nm.
			φ = 26° 12' S
			λ = 14° 27.5' E
			SSE 3, Sea 3, Vis. 2 nm
		16.00	GJ 4681
		19.26		Surfaced.
		20.00	GJ 4685	No traffic, nothing of note.
		02.04.43	South Atlantic southwest coast of Africa
		00.00	GJ 4955	Course set to the coast at Panther Head.  Will move back and forth in position here.
		04.00	GJ 7325
		07.08		Dived.
		08.00	GJ 7381
		12.00	GJ 7394	Day's run 133 nm.
			φ = 28° 04' S
			λ = 14° 56.5' E
			SbyE 3, Sea 3, Vis. 1000-5000 meters, fog
		16.00	GJ 7399
		20.00	GJ 8415	Surfaced.
				No traffic, nothing of note.
		03.04.43	South Atlantic southwest coast of Africa
		00.00	GJ 8422	Positioned between land and the 100-meter line, night heavily changing visibility with a lot of fog.  Day initially clearing at noon thereafter changing visibility with fog.  If there is no visibility improvement, I intend to leave this area, because here observation of traffic is not possible and weather improvement is not expected to the south.
		04.00	GJ 8422
		07.12		Dived.
		08.00	GJ 8423
		12.00	GJ 8432	Day's run 65 nm.
			φ = 28° 16' S
			λ = 15° 52.5' E
			SSE 2, Sea 1, Vis. 5-10 nm

	Sun and Moon Data 01.04.43
	Sun and Moon Data 02.04.43
	Sun and Moon Data 02.04.43

	- 47 -
		continued
		03.04.43	South Atlantic southwest coast of Africa
		16.00	GJ 8436
		19.26		Surfaced.
		20.00	GJ 8439
				No traffic, nothing of note.
		04.04.43	South Atlantic southwest coast of Africa
		00.00	GJ 8437	Set off to the west to get out of the fog area, resumed return transit on course 320°.
		04.00	GJ 8414
		07.00		Dived.
		08.00	GJ 7625
		12.00	GJ 7616	Day's run 92.5 nm.
			φ = 28° 21.5' S
			λ = 14° 31.5' E
			SbyE 2-3, Sea 2, Vis. 5 nm
		16.00	GJ 7614
		19.32		Surfaced.
		20.00	GJ 7535	No traffic, nothing of note.
		05.04.43	South Atlantic southwest coast of Africa
		00.00	GJ 7272
		04.00	GJ 7153
		08.00	GJ 7116
		12.00	GH 6989	Day's run 142 nm.
			φ = 27° 14' S
			λ = 12° 03' E
			SE 2, Sea 2, Vis. 6 nm
		16.00	GH 6869
		16.45 - 17.07		Test dive.
		20.00	GH 6843
		21.17		Outgoing Radio Message 1938/5/DAN:  Reported return transit and situation.  81 cbm, 4 weeks' provisions.
		06.04.43	South Atlantic southwest coast of Africa
		00.00	GH 6731	Course 320°.
		04.00	GH 6475
		08.00	GH 5656

	Sun and Moon Data 03.04.43
	Sun and Moon Data 04.04.43
	Sun and Moon Data 05.04.43
	Sun and Moon Data 06.04.43

	- 48 -
		continued
		06.04.43	South Atlantic west of South Africa
		12.00	GH 5614	Day's run 195.5 nm.
			φ = 25° 41.5' S
			λ = 8° 55' E
			SSE 3-4, Sea 3, Vis. 8 nm
		16.00	GH 5288
		20.00	GH 5169	No traffic, nothing of note.
		07.04.43	South Atlantic west of South Africa
		00.00	GH 5125
		04.00	GH 2771
		08.00	GH 1929
		09.49 - 10.37		Test dive.
		12.00	GH 1675	Day's run 194 nm.
			φ = 23° 30' S
			λ = 6° 18' E
			SEbyS 3-4, Sea 2-3, Vis. 8 nm
		16.00	GH 1561
		20.00	GH 1275	No traffic, nothing of note.
		08.04.43	South Atlantic west of South Africa
		00.00	GH 1162
		04.00	GH 1122
		08.00	FV 8966
		12.00	FV 8688	Day's run 198 nm.
			φ = 21° 2.5' S
			λ = 3° 57.5' E
			SEbyE 2, Sea 1, Vis. 10-12 nm
		16.00	FV 8644
		20.00	FV 8523	No traffic, nothing of note.
		09.04.43	South Atlantic southeast of St. Helena
		00.00	FV 8227
		04.00	FV 8134
		08.00	FV 5749

	Sun and Moon Data 06.04.43
	Sun and Moon Data 07.04.43
	Sun and Moon Data 08.04.43
	Sun and Moon Data 09.04.43

	- 49 -
		continued
		09.04.43	South Atlantic southeast of St. Helena
		12.00	FV 4935	Day's run 205 nm.
			φ = 18° 27' S	Course set for FE 60.
			λ = 1° 31' E
			SEbyS 3, Sea 2, Vis. 8 nm
		14.19 - 15.05		Test dive.
		16.00	FV 4681
		20.00	FV 4617	No traffic, nothing of note.
		10.04.43	South Atlantic east of St. Helena
		00.00	FV 4285
		04.00	FV 4242
		08.00	FV 1794
		12.00	FV 1743	Day's run 195.5 nm.
			φ = 15° 59' S
			λ = 0° 40' W
			ESE 2-3, Sea 1-2, Vis. 8 nm
		16.00	FU 3699
		20.00	FU 3655	No traffic, nothing of note.
		11.04.43	South Atlantic northeast of St. Helena
		00.00	FU 3611
		04.00	FU 3264
		08.00 - 08.24	FU 3213	Test dive.
		12.00	FN 9765	Day's run 202.5 nm.
			φ = 13° 26' S
			λ = 2° 51.5' E [typo W]
			SEbyE 3, Sea 2, Vis. 10 nm
		16.00	FN 9721
		20.00	FN 9447	No traffic, nothing of note.
		12.04.43	South Atlantic Ascension - St. Helena
		00.00	FN 8637
		04.00	FN 8376
		08.00	FN 8263

	Sun and Moon Data 09.04.43
	Sun and Moon Data 10.04.43
	Sun and Moon Data 11.04.43
	Sun and Moon Data 12.04.43

	- 50 -
		continued
		12.04.43	South Atlantic Ascension - St. Helena
		12.00	FN 5885	Day's run 190 nm.
			φ = 10° 58' S
			λ = 5° 2.5' W
			E 3, Sea 2, Vis. 8-10 nm
		16.00	FN 5842
		20.00	FN 5731	No traffic, nothing of note.
		13.04.43	South Atlantic east of Ascension
		00.00	FN 5446
		04.00	FN 4633
		08.00	FN 4355
		10.29 - 11.38		Crash dive for training.
		12.00	FN 4311	Day's run 200 nm.
			φ = 8° 30' S
			λ = 7° 13' W
			SEbyE 3-4, Sea 2-3, Vis. 8 nm
		16.00	FN 1867
		20.00	FN 1816	No traffic, nothing of note.
		14.04.43	South Atlantic northeast of Ascension
		00.00	FN 1493
		04.00	FN 1428
		08.00	FN 1177
		12.00	FM 3353	Day's run 195 nm.
			φ = 6° 05' S
			λ = 9° 25' W
			ESE 4, Sea 3, Vis. 8-10 nm
		16.00	FF 7979
		20.00	FF 7864	No traffic, nothing of note.
		15.04.43	South Atlantic north of Ascension
		00.00	FF 7821
		04.00	FF 7469
		08.00	FF 7425

	Sun and Moon Data 12.04.43
	Sun and Moon Data 13.04.43
	Sun and Moon Data 14.04.43
	Sun and Moon Data 15.04.43

	- 51 -
		continued
		15.04.43	South Atlantic north of Ascension
		08.28 - 08.59		Crash dive for training.
		12.00	FF 7174	Day's run 200 nm.
			φ = 3° 45' S
			λ = 11° 45' W
			SEbyS 4-5, Sea 4, Vis. 8 nm
		16.00	FE 9353
		20.00	FE 9238	No traffic, nothing of note.
		16.04.43	South Atlantic Equator
		00.00	FE 6882
		04.00	FE 6817
		08.00	FE 6483
		12.00	FE 6419	Day's run 215 nm.
			φ = 1° 24' S
			λ = 14° 20' W
			SEbyS 2, Sea 1, Vis. 8 nm
		16.00	FE 5392
		20.00	FE 5327	No traffic, nothing of note.
		17.04.43	North Atlantic Equator
		00.00	FE 2947
		04.00	FE 2826
		08.00	FE 2545
		12.00	FE 2435	Day's run 208.5 nm.
			φ = 1° 19' N
			λ = 16° 29' W
			SE 2-3, Sea 1-2, Vis. 8-10 nm
		16.00	FE 2158
		16.35 - 17.08		Crash dive for training.
		20.00	FE 2112	No traffic, nothing of note.
		18.04.43	North Atlantic west coast of Africa
		00.00	ET 7968

	Sun and Moon Data 15.04.43
	Sun and Moon Data 16.04.43
	Sun and Moon Data 17.04.43
	Sun and Moon Data 18.04.43

	- 52 -
		continued
		18.04.43	North Atlantic west coast of Africa
		00.20		Incoming Radio Message 2209/17/433:  3) Supply for       "L a s s e n" and "U-509" depending on the replacement for "Newmann" possibly in early May.
		04.00	ET 7922	Only still have encryption table through April, therefore Radio Message necessary.
		08.00	ET 7644
		12.00	ET 7297	Day's run 209 nm.
			φ = 4° 12' N
			λ = 18° 25' W
			NWbyN 2, Sea 1, Vis. 2-8 nm
		16.00	ET 7254
		19.17		Outgoing Short Signal:  Only have encryption documents through April.  My position is ET 40.
				"U-160"
		20.00	ET 4799	No traffic.
		19.04.43	North Atlantic west coast of Africa
		00.00	ET 4753
		02.15		Outgoing Short Signal:  Still have 50-60 cbm fuel oil, require 15 cbm fuel oil.
				"U-160"
		04.00	ET 4484
		08.00	ET 4417
		08.56 - 09.51		Test dive.
		12.00	ES 6386	Day's run 202 nm.
			φ = 7° 3.5' N
			λ = 20° 12' W
			N 3-4, Sea 1-2, Vis. 10 nm
		13.42	ES 6382	U-boat in sight bearing 295°T, "U-177".
		14.04		After exchanging recognition signals short situation exchange with "Gysae", Took over recognition signals up to 6 May, then continued transit.
		15.05	ES 6382	"U-177" out of sight.
		16.00	ES 6346
		18.25		Incoming Radio Message 1748/19/315:  Arrival of             "L a s s e n" in DG 8555 is expected from 28 April.  In the named square "Newmann" give second copy of the encryption documents for May or copy the same, if still possible also fuel for most economical return transit, as well as provisions and cables, "L a s s e n" report after setting off if further supply is required.
		20.00	ES 6311	No traffic.

	Sun and Moon Data 18.04.43
	Sun and Moon Data 19.04.43

	- 53 -
		20.04.43	North Atlantic south of Cape Verde
		00.00	ES 3856
		04.00	ES 3821
		08.00	ES 3571
		12.00	ES 3431	Day's run 180.5 nm.
			φ = 9° 33' N
			λ = 21° 57' W
			NNE 4, Sea 3, Vis. 10 nm
		16.00	ES 3146
		20.00	EJ 8999
		20.12	EJ 8999	Vessel sighted bearing 120°T, appearance like submarine conning tower with two thin masts.  I run with, enemy speed 16 knots.   Because no smoke stack is seen and the type of vessel cannot be made out on detail, still regarded as a submarine.
		21.22		Dived, to make out details submerged, course 250°.  Holding contact on the surface no longer possible due to the bright horizon, therefore intend to pursue after twilight if necessary.  Through the periscope the vessel is recognized as a steamer without smoke stack with high bridge amidships, otherwise a completely flat upper deck.
		22.12	Full moon	Surfaced, pursued.
				Steamed from astern to come up without zigzags.  Steamer steers base course 270°, zig zags however about three general courses:  250°, 270°, 300°.  These change about hourly, while every 5-10 minutes zig zagging 30° around these general courses.  In the full moon night there is no possibility of attack on the surface.  Because a long-range shot is hopeless because of the high speed and zig zags.  I approach further maneuvering ahead which goes very slowly in spite of keeping up the basic course 270°, not near enough to the enemy so that the type of ship can be determined.
		21.04.43	North Atlantic south of Cape Verde
		00.00	ES 2327	I intend a submerged moon attack in spite of previous bad experiences with fast ships with zig zags, because the difficult maneuver ahead would be in vain if there were a change in the general course by day.
		04.00	ES 2242
		06.23		Dived, positioned ahead on base course 270°, enemy course at the time of diving 280°.

	Sun and Moon Data 20.04.43
	Sun and Moon Data 21.04.43

	- 54 -
		continued
		21.04.43	North Atlantic south of Cape Verde
		06.53	ES 2146	Shot from tube IV:  G 7e, depth 2 meters, target speed = 16 knots, target angle = 62°, range = 2000 meters.  Miss!
		06.57	ES 2146	Shot from tube VI:  G 7a, depth 2 meters, target speed = 16 knots, target angle = 80°, range = 2000 meters.  Miss!
				Intended two-fan with bow tubes spoiled due to failure of tube III shortly before the shot. (Gyro angle setting disengaged automatically)  Range target angle estimate with this attack very difficult and uncertain. At the shot the enemy filled approximately 3/4 of the periscope optic at large magnification.  Therefore, suspect the distance was over estimated.  Refrained from another pursuit by day, because with 1 knot speed surplus can only get ahead on the enemy's course by evening.  At night, however, again because of the full moon no night attack.  Still have 1 Ato.
				Steamer comes slowly out of sight.  Even now submerged the actual type and approximate size are not distinguished.  Estimated 5000 GRT.
		08.00	ES 2143
		08.30		Surfaced.
		12.00	EJ 8775	Day's run 282 nm.
			φ = 10° 42.5' N
			λ = 25° 7.5' W
			NEbyN 3-4, Sea 2-3, Vis. 8 nm
		16.00	EJ 8715
		20.00	EJ 8448
		20.37 - 20.46		Test dive.
		22.00		Outgoing Radio Message 2106/21/DAN:  21 April hunt at AK, double miss on fast freighter in ES 2146, 270°.  Still 40 cbm, 1 Ato, EJ 8416 naval squares.  From "L a s s e n".
			This attack has again shown that submerged moon attack on a fast-moving zig zagging vessel is very difficult.  Therefore, I believe, from my previous experiences (a total of 6 attacks) it is correct to strive for a day attack with enemy speed over 12 knots with zig zags in all circumstances.  I will continue to attack ships on straight course submerged.
		22.04.43	North Atlantic Cape Verde Islands
		00.00	EJ 8412
		04.00	EJ 8144

	Sun and Moon Data 21.04.43
	Sun and Moon Data 22.04.43

	- 55 -
		continued
		22.04.43	North Atlantic Cape Verde Islands
		08.00	EJ 8111
		12.00	EJ 5741	Day's run 182 nm.
			φ = 13° 45' N
			λ = 25° 14' W
			NEbyN 3-4, Sea 2-3, Vis. 8-10 nm
		16.00	EJ 4699
		20.00	EJ 4662	No traffic, nothing of note.
		23.04.43	North Atlantic Cape Verde Islands
		00.00	EJ 4398
		04.00	EJ 4361
		08.00	EJ 1989
		12.00	EJ 1928	Day's run 172 nm.
			φ = 16° 34' N
			λ = 25° 46.5' W
			NE 4, Sea 3, Vis. 8 nm
		16.00	EJ 1682
		20.00	EJ 1628	No traffic, nothing of note.
		24.04.43	North Atlantic north of the Cape Verde Islands
		00.00	EJ 1385
		04.00	EJ 1329
		08.00	DT 7986
		08.54 - 10.19		Test dive, forward diving plane jams down 5 and can only be put downward, but not more upwards than 5 down. Further details see KTB Maschine.  Determination of the cause must take place within main ballast tank 8, because from within the pressure hull no damage can be determined.
		12.00	DT 7956	Day's run 151 nm.
			φ = 19° 04' N
			λ = 25° 38.5' W
			NE 3-4, Sea 3, Vis. 8-10 nm
		16.00	DT 4689
		20.00	DT 7629	No traffic.

	Sun and Moon Data 22.04.43
	Sun and Moon Data 23.04.43
	Sun and Moon Data 24.04.43

	- 56 -
		25.04.43	North Atlantic west of North Africa
		00.00	DT 7383
		04.00	DT 7326
		08.00	DT 4959
		12.00	DT 4931	Day's run 182.5 nm.
			φ = 22° 07' N
			λ = 25° 35' W
			NE 3-4, Sea 2-3, Vis. 8 nm
		16.00	DT 4664
		20.00	DT 4395
		20.38		Incoming Radio Message 1958/25/383:  "U-509" at 19.46 hours was in naval square DT 7514 and sighted a convoy on a northerly course, speed 8-10 knots (9-13 knots).
		21.44		Incoming Radio Message:  2115/25/386:  From "U-509".  Convoy position 20.00 hours naval square DT 7275 in rain squalls major general course change contact lost, search continues to the east.
				Intention:  Previous "Witte" message gives no indication of the general course and speed.  My distance to the last sighting amounts to 190 nm north. Therefore, operate immediately, as long as contact is regained.  Advance to the south at highest speed, however, is not appropriate, as long as no other report comes. Remain lying overnight stopped to be positioned more favorably with supposed northerly course.
		26.04.43	North Atlantic west of North Africa
		00.00	DT 4365
		04.00	DT 4364
		08.00	DT 4353	Continue transit to the supply place, because "Witte" has not reported contact.
				Forward diving plane is completely uncoupled and with stopped boat hits hard on the bracket.  Eventual repair from main ballast tank 8 is not possible at the moment because of rough sea.  Depth control at periscope depth greatly complicated.
		08.53 - 09.36		Test dive.
		12.00	DT 4324	Day's run 110.5 nm.
			φ = 23° 52.5' N
			λ = 25° 52.5' W
			NEbyE 3-4, Sea 3, Vis. 6-8 nm
		16.00	DT 1947	Tube III leaks heavily, drainage is no longer possible despite closed outer tube door with full outboard pressure on the fittings.
		20.00	DT 1835	No traffic.

	Sun and Moon Data 25.04.43
	Sun and Moon Data 26.04.43

	- 57 -
		27.04.43	North Atlantic west of North Africa
		00.00	DT 1585
		04.00	DT 1542
		08.00	DT 1432
		08.53 - 09.38		Test dive.
		12.00	DT 1159	Day's run 165 nm.
			φ = 26° 10' N
			λ = 27° 31.5' W
			NE 4, Sea 3-4, Vis. 6-8 nm
		16.00	DT 1116
		20.00	DG 8972	No traffic, nothing of note.
		28.04.43
		00.00	DG 8941
		04.00	DG 8598
		08.00	DG 8555
		10.51	DG 8555	"U-117" and "U-509" in sight bearing 235°T.
		12.00	DG 8555	Day's run 142.5 nm.
			φ = 28° 00' N
			λ = 28° 58' W
			ENE 3, Sea 2, Vis. 6-8 nm
		12.30		Begin supply.  In starboard echelon with hose without tow connection.  Speed 3 knots against the sea.
		14.30		Connection released.  16 cbm taken over, therefore total inventory 40 cbm.  Provisions for 7 days and cipher material for May.
		14.48 - 15.20		Test dive.
		16.00	DG 8555
		18.01		Left supply place after supply ended.  Continued return transit with "U-509" on diverging courses.
		18.21	DG 8555	"U-117" out of sight bearing 210°T.
		19.16	DG 8555	"U-509" out of sight.
		20.00	DG 8552
		23.43	DG 8298	Neutral steamer in sight bearing 0°T, strongly illuminated, course 220-240°.  Because the supply place will be passed during the night, no report made.

	Sun and Moon Data 27.04.43
	Sun and Moon Data 28.04.43

	- 58 -
		30.04.43	North Atlantic west of Madeira
		00.00	DG 6446
		02.21		Outgoing Radio Message 0047/30/DAN:  Supply report sent.
		04.00	DG 6425
		08.00	DG 6191
		10.38 - 11.26		Test dive.
		12.00	DG 6163	Day's run 153 nm.
			φ = 31° 44' N
			λ = 25° 57' W
			NE 4-5, Sea 3-4, Vis. 8 nm
		16.00	DG 3878	After detaching the manhole cover for main ballast tank 8 the linkage of the forward diving plane was inspected and the following was determined:
				The connecting clutch - linkage - shaft is broken, so that intended repair by replacing the pin is not possible.
				Crash dive condition:  Extended diving time, sometimes 1 minute to 12 meters, complicates depth control at periscope depth, in rough seas sometimes impossibly. Otherwise normal.
		20.00	DG 3855
		01.05.43	North Atlantic southeast of the Azores
		00.00	DG 3853
		00.23		Outgoing Radio Message 2317/30/DAN:  Report on damage sent.
		04.00	DG 3598	Intend to proceed to the east close off the Spanish coast dived by day.
		08.00	DG 3644
		12.00	DG 3616	Day's run 144.5 nm.
			φ = 33° 42.5' N
			λ = 24° 22' W
			NEbyN 4, Sea 3, Vis. 7 nm
		16.00	DG 3385
		20.00	DG 3364	No traffic.
		02.05.43	North Atlantic southeast of the Azores
		00.00	DG 3336
		04.00	CF 7975
		08.00	CF 7955
		08.15 - 08.45		Test dive.

	Sun and Moon Data 30.04.43
	Sun and Moon Data 01.05.43
	Sun and Moon Data 02.05.43

	- 59 -
		continued
		02.05.43	North Atlantic southeast of the Azores
		12.00	CF 7932	Day's run 144 nm.
			φ = 35° 34' N
			λ = 22° 32.5' W
			NE 5-6, Sea 4-5, Vis. 6 nm
		16.00	CF 8471
		20.00	CF 8443	No traffic, nothing of note.
		03.05.43	North Atlantic east of the Azores
		00.00	CF 8423
		04.00	CF 8192
		08.00	CF 8242
		12.00	CF 8221	Day's run 148 nm.
			φ = 37° 27' N
			λ = 20° 34' W
			NE 6, Sea 4-5, Vis. 6-8 nm
		16.00	CF 5891
		20.00	CF 5863	No traffic, nothing of note.
		04.05.43	North Atlantic east of the Azores
		00.00	CF 5679
		04.00	CF 5658
		07.55		Test dive.
		08.00	CF 5662
		08.45		Surfaced.
		12.00	CF 5398	Day's run 139 nm.
			φ = 39° 17.5' N
			λ = 18° 57.5' W
			NE 6, Sea 5, Vis. 8 nm
		16.00	CF 5365
		20.00	CF 6142	No traffic, nothing of note.
		05.05.43	North Atlantic west of Spain
		00.00	CF 6128
		04.00	CF 6132
		08.00	CF 3875

	Sun and Moon Data 02.05.43
	Sun and Moon Data 03.05.43
	Sun and Moon Data 04.05.43
	Sun and Moon Data 05.05.43

	- 60 -
		continued
		05.05.43	North Atlantic west of Spain
		12.00	CF 3858	Day's run 133 nm.
			φ = 40° 30' N
			λ = 16° 51' W
			NNE 5, Sea 4, Vis. 8 nm
		12.02	CF 3858	Mastheads in sight bearing 45°T, destroyer with two smoke stacks and enclosed bridge recognized, easterly course, dived.
				Because the boat cannot be safely held at periscope depth, no further observations are possible.
		14.20		Surfaced.
		14.24		Outgoing Short Signal:  12.00 hours enemy destroyer in sight square CF 3858.                             - U-160 -
				(Group "Drossel" sighted a short time later warship formation consisting of a light cruiser and two destroyers, course SE, high speed in square CF 3989).
		16.00	CF 3865
		20.00	CF 3919
		06.05.43	North Atlantic southwest of Cape Finisterre
		00.00	CF 3699
		00.30	CF 3699	Detection on 168 cm horizontally polarized, dived, no attack.
		02.05		Surfaced.
		04.00	CG 1746
		07.39		Dived to proceed submerged by day.
		08.00	CG 1465
		12.00	CG 1544	Day's run 151.5 nm.
			φ = 41° 35' N
			λ = 13° 47.5' W
			NbyE 5-6, Sea 5, Vis. 6-8 nm
		16.00	CG 1543
		18.19		Surfaced.
		20.00	CG 1529	No traffic.
		07.05.43	North Atlantic west of Cape Finisterre
		00.00	CG 1379
		04.00	CG 2144
		05.50	CG 2127	Detection as above, dived, no attack.
		06.27		Surfaced.

	Sun and Moon Data 05.05.43
	Sun and Moon Data 06.05.43
	Sun and Moon Data 07.05.43

	- 61 -
		continued
		07.05.43	North Atlantic west of Cape Finisterre
		07.18		Dived, proceeded submerged.
		08.00	CG 2126
		12.00	CG 2132	Day's run 164.5 nm.
			φ = 42° 47' N
			λ = 10° 34' W
			NE 3-4, Sea 2, Vis. 5 nm
		16.00	BF 7877
		20.00	BF 7876
		20.45		Surfaced.
		23.20	BF	A neutral sighted on coastal route bearing 105°T, course SW.
		23.32	BF	Cape Villano lighthouse bears 116°T.
		08.05.43	Bay of Biscay
		00.00	BF 7865
		04.00	BF 7827	Navigation fix on coastal lighthouses (Sisargas and Ponta Lage).
		06.37		Dived to proceed submerged by day.
		08.00	BF 7931
		12.00	BF 7698	Day's run 125 nm.
			φ = 43° 50' N
			λ = 8° 00' W
			WbyS 6, Sea 5, Vis. 4-5 nm
		16.00	BF 8479
		20.00	BF 8479
		22.30		Surfaced.
		23.15	BF 5726	Navigation fix from coastal lighthouses (Ciprián, Ribadeo, Tapia).
		09.05.43	Bay of Biscay
		00.00	BF 8726
		04.00	BF 8815
		08.00	BF 8677
		12.00	BF 8698	Day's run 157.5 nm.
			φ = 43° 48.2' N
			λ = 4° 20.7' W
			W 8, Sea 7-8, Vis. 3-8 nm

	Sun and Moon Data 07.05.43
	Sun and Moon Data 08.05.43
	Sun and Moon Data 09.05.43

	- 62 -
		continued
		09.05.43	Bay of Biscay
		13.40	BF 9479	Taken under air escort, 4 aircraft of model "Ju 88".
		13.50	BF 9479	4 M-boats in sight bearing 90°T
		14.20	BF 9487	Taken in convoy.  Transit on coastal route for Bordeaux.
		16.00	BF 9732
		20.00	BF 9823
		10.05.43	Bay of Biscay
		00.00	BF 9941
		04.00	BF 9681
		08.00	BF 9387
		11.28	BF 9324	Taken under ground mine escort.
		12.00	BF 9321	Day's run 268 nm.
			φ = 45° 32.5 N	About half an hour after being taken in convoy a mine detonation was brought about by the first Speerbrecher
			λ = 1° 24' W
			SE 2-3, Sea 2, Vis. 8-10 nm
		15.15	BF 9331	Released from convoy.
		19.30		Entered Bordeaux.
			Special experiences from the Operations Area.
			Behavior off the Main Harbor with Heavy Traffic:
			Remain unseen at all costs until the first attack, this must be worthwhile because the continually used defense (land detection) begins to take effect and is associated with air and sea defense after first being detected and it becomes much more difficult to out maneuver.
			Behavior of the Crew:
			The crew grew to fully meet the demands of the patrol. The men showed verve and spirit in spite of the length of the patrol, performing especially well when recognizing and correcting errors and failures at all positions.
			Duration of the patrol in days:  125
			Total distance covered in nautical miles:  18,066.9
			Signed     L   a   s   s   e    n               Kptlt. and Kmdt.   Ob.-Lt. z, See and Administrative Officer i.V.

	Sun and Moon Data 09.05.43
	Sun and Moon Data 10.05.43

	Comments of the Befehlshabers der Unterseeboote
	on the K.T.B. of "U-160" (Lassen) from 10.12.42-10.5.43.
	A superbly executed patrol by the proven Kommandant marked by tactical skill, proper judgment, toughness and energy and attack spirit.  The Kommandant dealt remarkably well with the relatively untrained and not very heavy defense in the South African area, as well as the overall situation, with excellent adaptability and also on the basis of his previous experiences.
	Accredited Successes:           1 steamer 6800 GRT Sunk 1 tanker 8000 GRT    " 1 freighter 6000 GRT    " 1 freighter 7000 GRT    " 1 freighter 5000 GRT    " 1 freighter 6000 GRT    " 1 freighter 8000 GRT    " 1 freighter 8000 GRT    " 1 freighter 6000 GRT    " 1 freighter 6000 GRT    "
	Total 10 ships = 66800 GRT sunk
		For the Befehlshaber der Unterseeboote
		- The Chief of Operations Department -

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