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The French Troopship Medjerda. She was hit by U 34 on 11 May 1917.

This is the full listing of all ships hit during May 1917. You can click on any of the links for further information on either ship, U-boat, commander or convoy.

Ships hit by U-boats during May 1917

Date	U-boat	Commander		Name of ship	Type of ship	Tons	Nat.
1 May 1917	U 69	Ernst Wilhelms		Rockingham	Steamer	4,555		am
1 May 1917	U 81	Raimund Weisbach		Dorie (d.)	Steaner	3,264		br
1 May 1917	U 81	Raimund Weisbach		San Urbano	Tanker	6,458		br
1 May 1917	UB 18	Claus Lafrenz		C. A. Jaques	Steamer	2,105		br
1 May 1917	UB 38	Wilhelm Amberger		Ladywood	Steamer	2,314		br
1 May 1917	UB 43	Horst Obermüller		British Sun	Tanker	5,565		br
1 May 1917	UC 29	Ernst Rosenow		Firelight	Steamer	1,143		br
1 May 1917	UC 48	Kurt Ramien		Raymond Ester	Fishing vessel	20		fr
1 May 1917	UC 65	Otto Steinbrinck		Helen	Steamer	322		br
1 May 1917	UC 65	Otto Steinbrinck		Ivrig	Sailing vessel	1,197		nw
1 May 1917	UC 65	Otto Steinbrinck		W. D. Potts	Sailing vessel	112		br
1 May 1917	UC 66	Herbert Pustkuchen		Bagdale	Steamer	3,045		br
1 May 1917	UC 66	Herbert Pustkuchen		John W. Pearn	Sailing vessel	76		br
1 May 1917	UC 66	Herbert Pustkuchen		La Manche	Sailing vessel	335		fr
1 May 1917	UC 69	Erwin Waßner		Barreiro	Steamer	1,738		pt
1 May 1917	UC 72	Ernst Voigt		Acacia	Fishing vessel (sail)	9		fr
1 May 1917	UC 72	Ernst Voigt		Antigone	Fishing vessel (sail)	15		fr
1 May 1917	UC 72	Ernst Voigt		Camille Amelie	Fishing vessel (sail)	21		fr
1 May 1917	UC 73	Kurt Schapler		Imberhorne	Sailing vessel	2,042		fi
1 May 1917	UC 75	Johannes Lohs		Alide	Sailing vessel	175		ru
2 May 1917	U 44	Paul Wagenführ		Natuna	Sailing vessel	1,121		nw
2 May 1917	U 58	Kurt Wippern		Beeswing	Sailing vessel	1,462		br
2 May 1917	U 58	Kurt Wippern		Dione	Sailing vessel	785		nw
2 May 1917	U 58	Kurt Wippern		Vanduara	Sailing vessel	2,079		nw
2 May 1917	U 69	Ernst Wilhelms		Troilus	Steamer	7,625		br
2 May 1917	UB 18	Claus Lafrenz		Juno	steamer	1,384		br
2 May 1917	UB 18	Claus Lafrenz		Tela	Steamer	7,226		br
2 May 1917	UB 21	Franz Walther		Rikard Nordraak	Steamer	1,123		nw
2 May 1917	UC 26	Matthias Graf von Schmettow		Certo	Steamer	1,629		nw
2 May 1917	UC 26	Matthias Graf von Schmettow		Derwent	Destroyer	555		br
2 May 1917	UC 37	Otto Launburg		Camerata (d.)	Steamer	3,723		br
2 May 1917	UC 48	Kurt Ramien		United	Fishing vessel (smack)	61		br
2 May 1917	UC 48	Kurt Ramien		Warnow	Steamer	1,593		br
2 May 1917	UC 62	Max Schmitz		Noordzee	Sailing vessel	136		nl
2 May 1917	UC 65	Otto Steinbrinck		Amber	Steamer	401		br
2 May 1917	UC 65	Otto Steinbrinck		Derrymore	Steamer	485		br
2 May 1917	UC 65	Otto Steinbrinck		Dora	Steamer	296		br
2 May 1917	UC 65	Otto Steinbrinck		Earnest	Sailing vessel	111		br
2 May 1917	UC 65	Otto Steinbrinck		Morion	Steamer	299		br
2 May 1917	UC 65	Otto Steinbrinck		Saint Mungo	Steamer	402		br
2 May 1917	UC 65	Otto Steinbrinck		Taizan Maru	Steamer	3,527		jp
2 May 1917	UC 71	Hugo Thielmann		Westland	Fishing vessel	108		nl
2 May 1917	UC 72	Ernst Voigt		Cancalais	Sailing vessel	231		fr
2 May 1917	UC 72	Ernst Voigt		Keryado	Navy Trawler	175		fr
2 May 1917	UC 72	Ernst Voigt		Russie	Sailing vessel	127		fr
2 May 1917	UC 72	Ernst Voigt		Victoire	Sailing vessel	290		fr
2 May 1917	UC 72	Ernst Voigt		Yvonne	Sailing vessel	100		fr
2 May 1917	UC 74	Wilhelm Marschall		Alessandria	Steamer	8,006		it
3 May 1917	U 21	Otto Hersing		Lindisfarne	Sailing vessel	1,703		ru
3 May 1917	U 43	Hellmuth Jürst		Concordia (p.)	Trawler	173		nl
3 May 1917	U 43	Hellmuth Jürst		Emma (p.)	Trawler	183		nl
3 May 1917	U 45	Erich Sittenfeld		Palm Branch (d.)	Steamer	3,891		br
3 May 1917	U 45	Erich Sittenfeld		Truvor	Steamer	2,462		ru
3 May 1917	U 62	Ernst Hashagen		Frederick Knight	Steamer	3,604		br
3 May 1917	U 63	Otto Schultze		Washington	Steamer	5,080		br
3 May 1917	k.u.k. U14	Georg Ritter von Trapp		Antonio Sciesa	Steamer	1,905		it
3 May 1917	UB 40	Hans Howaldt		Clodmoor	Steamer	3,753		br
3 May 1917	UC 26	Matthias Graf von Schmettow		Ussa	Steamer	2,066		br
3 May 1917	UC 49	Alfred Arnold		Helge	Sailing vessel	162		da
3 May 1917	UC 61	Georg Gerth		Fils Du Progres	Fishing vessel	25		fr
3 May 1917	UC 61	Georg Gerth		Giovannina	Steamer	3,030		it
3 May 1917	UC 69	Erwin Waßner		Maria	Steamer	2,754		gr
3 May 1917	UC 69	Erwin Waßner		Polstad	Steamer	2,692		nw
3 May 1917	UC 73	Kurt Schapler		Mezly	Sailing vessel	1,568		fr
3 May 1917	UC 73	Kurt Schapler		Misurata	Steamer	2,691		it
3 May 1917	UC 75	Johannes Lohs		Carberry King	Drifter	31		br
3 May 1917	UC 75	Johannes Lohs		Eleanor	Fishing vessel	31		br
3 May 1917	UC 75	Johannes Lohs		Fastnet	Fishing vessel	31		br
3 May 1917	UC 75	Johannes Lohs		Hibernia	Fishing vessel	21		br
3 May 1917	UC 75	Johannes Lohs		Lucky Lass	Fishing vessel	10		br
3 May 1917	UC 75	Johannes Lohs		North Star	Fishing vessel	15		br
3 May 1917	UC 75	Johannes Lohs		Sir Edward Birkbeck	Fishing vessel	23		br
3 May 1917	UC 77	Reinhard von Rabenau		Glen Tanar	Steamer	817		br
4 May 1917	U 34	Johannes Klasing		Francesco C.	Sailing vessel	984		it
4 May 1917	U 62	Ernst Hashagen		Jörgen Olsen (d.)	Sailing vessel	310		da
4 May 1917	U 63	Otto Schultze		Transylvania	Troopship	14,348		br
4 May 1917	U 82	Hans Adam		Ellin (d.)	Steamer	4,577		gr
4 May 1917	k.u.k. U4	Rudolf Singule		Perseo	Passenger steamer	4,857		it
4 May 1917	UB 38	Wilhelm Amberger		Aghios Nikolaos	Steamer	2,231		gr
4 May 1917	UB 38	Wilhelm Amberger		Assos	Steamer	2,840		gr
4 May 1917	UB 38	Wilhelm Amberger		Joseph	Sailing vessel	205		br
4 May 1917	UC 34	Robert Sprenger		Cameleon	Navy whaler	179		fr
4 May 1917	UC 42	Otto Heinrich Tornow		Sophie	Sailing vessel	64		da
4 May 1917	UC 51	Hans Galster		Marie	Steamer	772		da
4 May 1917	UC 62	Max Schmitz		Neptunus	Steamer	160		nl
4 May 1917	UC 65	Otto Steinbrinck		New Design No.2	Sailing Vessel	66		br
4 May 1917	UC 65	Otto Steinbrinck		Pilar De Larrinaga	Steamer	4,136		br
4 May 1917	UC 65	Otto Steinbrinck		Strumble	Fishing vessel (smack)	45		br
4 May 1917	UC 65	Otto Steinbrinck		Victorious	Fishing vessel	39		br
4 May 1917	UC 69	Erwin Waßner		Ilva	Steamer	2,140		it
4 May 1917	UC 69	Erwin Waßner		Ioannis P. Goulandris	Steamer	3,153		gr
4 May 1917	UC 69	Erwin Waßner		Tromp	Steamer	2,751		nw
4 May 1917	UC 72	Ernst Voigt		Mamelena Ix	Trawler	115		sp
4 May 1917	UC 72	Ernst Voigt		Mamelena Xii	Trawler	111		sp
4 May 1917	UC 72	Ernst Voigt		Marne	Trawler	25		fr
4 May 1917	UC 72	Ernst Voigt		Verdun	Fishing vessel	25		fr
4 May 1917	UC 75	Johannes Lohs		Marie	Sailing vessel	133		fr
4 May 1917	UC 77	Reinhard von Rabenau		Herrington	Steamer	1,258		br
4 May 1917	UC 77	Reinhard von Rabenau		Vale	Steamer	720		nw
4 May 1917	UC 77	Reinhard von Rabenau		Wolseley (d.)	Trawler	159		br
5 May 1917	U 49	Richard Hartmann		Snig	Sailing vessel	2,115		nw
5 May 1917	U 58	Kurt Wippern		Asra	Sailing vessel	1,975		nw
5 May 1917	U 63	Otto Schultze		Talawa (d.)	Steamer	3,834		br
5 May 1917	UB 21	Franz Walther		Edith Cavell	Fishing vessel	20		br
5 May 1917	UC 33	Martin Schelle		Lodes	Steamer	396		br
5 May 1917	UC 37	Otto Launburg		Dina Di Lozenzo	Sailing vessel	127		it
5 May 1917	UC 37	Otto Launburg		Harmattan	Steamer	4,792		br
5 May 1917	UC 42	Otto Heinrich Tornow		Angela	Sailing vessel	122		br
5 May 1917	UC 48	Kurt Ramien		Feltria	Passenger steamer	5,254		br
5 May 1917	UC 48	Kurt Ramien		Greta	Steamer	297		br
5 May 1917	UC 51	Hans Galster		Segovia	Steamer	1,394		nw
5 May 1917	UC 61	Georg Gerth		Le Gard (d.)	Steamer	1,658		fr
5 May 1917	UC 71	Hugo Thielmann		Simon	Trawler	150		nl
5 May 1917	UC 72	Ernst Voigt		Nydal	Steamer	1,809		nw
5 May 1917	UC 75	Johannes Lohs		Lavender	Sloop	1,200		br
5 May 1917	UC 77	Reinhard von Rabenau		Odense	Steamer	1,756		da
6 May 1917	U 21	Otto Hersing		Adansi	Steamer	2,644		br
6 May 1917	UB 21	Franz Walther		Harold	Steamer	1,563		sw
6 May 1917	UC 31	Otto von Schrader		Poseidon I	Fishing vessel (sail)	98		nl
6 May 1917	UC 42	Otto Heinrich Tornow		Hebble	Steamer	904		br
6 May 1917	UC 69	Erwin Waßner		Gurth	Steamer	1,340		nw
6 May 1917	UC 69	Erwin Waßner		Voss	Steamer	2,390		nw
6 May 1917	UC 72	Ernst Voigt		Francesco	Steamer	3,438		it
6 May 1917	UC 75	Johannes Lohs		President	Sailing vessel	354		fr
6 May 1917	UC 77	Reinhard von Rabenau		Kaparika	Steamer	1,232		nw
7 May 1917	U 62	Ernst Hashagen		Polamhall	Steamer	4,010		br
7 May 1917	U 63	Otto Schultze		Crown Of Leon (d.)	Steamer	3,391		br
7 May 1917	U 80	Alfred von Glasenapp		H. H. Petersen	Sailing vessel	192		da
7 May 1917	U 80	Alfred von Glasenapp		Sophie	Sailing vessel	237		da
7 May 1917	UB 20	Hermann Glimpf		Martha Maria	Trawler	176		nl
7 May 1917	UB 20	Hermann Glimpf		Prins Hendrik De Nederlande	Trawler	182		nl
7 May 1917	UB 43	Horst Obermüller		Repton	Steamer	2,881		br
7 May 1917	UC 48	Kurt Ramien		Kinross	Steamer	4,120		br
7 May 1917	UC 49	Alfred Arnold		Tore Jarl	Steamer	1,256		nw
7 May 1917	UC 65	Otto Steinbrinck		Maude	Sailing vessel	93		br
7 May 1917	UC 69	Erwin Waßner		Leikanger	Steamer	3,544		nw
7 May 1917	UC 69	Erwin Waßner		Tiger	Steamer	3,273		nw
7 May 1917	UC 70	Werner Fürbringer		Lowmount	Steamer	2,070		br
8 May 1917	U 21	Otto Hersing		Killarney	Sailing vessel	1,413		br
8 May 1917	U 47	Heinrich Metzger		Madeleine Iii (d.)	Q-ship	149		fr
8 May 1917	U 49	Richard Hartmann		Petunia	Steamer	1,749		br
8 May 1917	UB 21	Franz Walther		Batavier Ii (p.)	Trawler	157		nl
8 May 1917	UC 26	Matthias Graf von Schmettow		Iris	Sailing vessel	75		br
8 May 1917	UC 31	Otto von Schrader		Zarefah	Navy Yacht	279		br
8 May 1917	UC 61	Georg Gerth		Nelly	Steamer	1,868		fr
8 May 1917	UC 65	Otto Steinbrinck		San Patricio (d.)	Tanker	9,712		br
9 May 1917				Madonna Del Paradiso		10		it
9 May 1917	U 34	Johannes Klasing		Harpagus	Steamer	5,866		br
9 May 1917	U 80	Alfred von Glasenapp		Hans Broge	Steamer	1,432		da
9 May 1917	UC 17	Ralph Wenninger		Marchiena	Sailing vessel	170		nl
9 May 1917	UC 35	Ernst von Voigt		Dio Ti Guardi	Fishing vessel	11		it
9 May 1917	UC 35	Ernst von Voigt		L’oriente	Fishing vessel	11		it
9 May 1917	UC 35	Ernst von Voigt		Peppino Aiello	Sailing vessel	113		it
9 May 1917	UC 35	Ernst von Voigt		San Pietro	Fishing vessel	11		it
9 May 1917	UC 42	Otto Heinrich Tornow		Kitty	Fishing vessel	181		br
9 May 1917	UC 49	Alfred Arnold		Windward Ho	Trawler	226		br
10 May 1917	U 34	Johannes Klasing		Carmen	Sailing vessel	319		sp
10 May 1917	U 62	Ernst Hashagen		Berangere	Sailing vessel	2,851		fr
10 May 1917	U 62	Ernst Hashagen		Gazelle	Sailing vessel	288		nw
10 May 1917	UC 17	Ralph Wenninger		Veni	Steamer	654		nw
10 May 1917	UC 35	Ernst von Voigt		Leone Decimo Terzo	Sailing vessel	78		it
10 May 1917	UC 40	Gustav Deuerlich		Lord Ridley	Navy Trawler	215		br
10 May 1917	UC 61	Georg Gerth		Broomhill	Steamer	1,392		br
10 May 1917	UC 61	Georg Gerth		Minerva	Steamer	518		nw
10 May 1917	UC 63	Karsten von Heydebreck		Gruno	Auxiliary motor	171		nl
11 May 1917	U 34	Johannes Klasing		Lefkosia	Steamer	1,087		gr
11 May 1917	U 34	Johannes Klasing		Medjerda	Troopship	1,918		fr
11 May 1917	U 45	Erich Sittenfeld		Hermes	Steamer	3,579		ru
11 May 1917	U 47	Heinrich Metzger		Hindoo (d.)	Steamer	4,915		br
11 May 1917	U 49	Richard Hartmann		Barrister	Steamer	3,679		br
11 May 1917	U 80	Alfred von Glasenapp		Anna Alwina	Sailing vessel	364		ru
11 May 1917	U 80	Alfred von Glasenapp		Calchas	Steamer	6,748		br
11 May 1917	UB 18	Claus Lafrenz		Tarpeia	Steamer	538		br
11 May 1917	UC 1	Walter Warzecha		Bracklyn	Navy Trawler	303		br
11 May 1917	UC 35	Ernst von Voigt		Carolina	Sailing vessel	87		it
11 May 1917	UC 35	Ernst von Voigt		Limassol	Sailing vessel	100		br
11 May 1917	UC 35	Ernst von Voigt		Luisa Madre	Sailing vessel	85		it
11 May 1917	UC 35	Ernst von Voigt		Rosalia Madre	Sailing vessel	95		it
11 May 1917	UC 35	Ernst von Voigt		Sant’ Antonio	Sailing vessel	40		it
12 May 1917	U 19	Johannes Spieß		Wirral	Steamer	4,207		br
12 May 1917	U 32	Kurt Hartwig		Locksley Hall	Steamer	3,635		br
12 May 1917	U 34	Johannes Klasing		Zanoni	Steamer	3,851		br
12 May 1917	U 38	Max Valentiner		Egyptian Prince	Steamer	3,117		br
12 May 1917	U 48	Karl Edeling		San Onofre	Tanker	9,717		br
12 May 1917	U 57	Carl-Siegfried Ritter von Georg		Refugio	Steamer	2,642		br
12 May 1917	UC 17	Ralph Wenninger		G.L.C.	Fishing vessel (smack)	24		br
12 May 1917	UC 17	Ralph Wenninger		Galicia	Passenger steamer	5,922		br
12 May 1917	UC 6	Werner von Zerboni di Sposetti		Waterville (d.)	Steamer	1,968		br
13 May 1917	U 38	Max Valentiner		Rio Amazonas	Steamer	2,970		it
13 May 1917	U 47	Heinrich Metzger		L’indipendente F.	Sailing vessel	182		it
13 May 1917	U 48	Karl Edeling		Jessmore	Steamer	3,911		br
13 May 1917	UC 17	Ralph Wenninger		Anna	Sailing vessel	610		da
13 May 1917	UC 17	Ralph Wenninger		Hudson	Sailing vessel	817		nw
14 May 1917	U 34	Johannes Klasing		Gravelinoise	Sailing vessel	129		fr
14 May 1917	U 34	Johannes Klasing		Tejo	Sailing vessel	201		pt
14 May 1917	U 49	Richard Hartmann		Carnmoney	Sailing vessel	1,299		br
14 May 1917	U 57	Carl-Siegfried Ritter von Georg		Arlington Court (d.)	Steamer	4,346		br
14 May 1917	U 63	Otto Schultze		Francesco Raiola	Sailing vessel	181		it
14 May 1917	U 63	Otto Schultze		Volga (d.)	Steamer	4,404		br
14 May 1917	UB 18	Claus Lafrenz		Elizabeth Hampton	Sailing vessel	108		br
14 May 1917	UC 17	Ralph Wenninger		Farley	Steamer	3,692		br
14 May 1917	UC 49	Alfred Arnold		Bel Lily	Trawler	168		br
15 May 1917	U 34	Johannes Klasing		Tung Shan	Steamer	3,999		br
15 May 1917	U 46	Leo Hillebrand		Grosholm	Steamer	1,847		nw
15 May 1917	U 47	Heinrich Metzger		Pancras (d.)	Steamer	4,436		br
15 May 1917	U 48	Karl Edeling		Meuse	Steamer	4,075		fr
15 May 1917	U 63	Otto Schultze		Ferrara (d.)	Steamer	5,660		it
15 May 1917	UB 18	Claus Lafrenz		Panaghi Lykiardopoulo	Steamer	3,193		gr
15 May 1917	UB 40	Hans Howaldt		Cuba	Sailing vessel	271		br
15 May 1917	UC 25	Johannes Feldkirchner		Boutefeu	Destroyer	703		fr
15 May 1917	UC 71	Hugo Thielmann		Boreas	Auxiliary motor	192		nl
15 May 1917	UC 75	Johannes Lohs		Polymnia	Steamer	2,426		br
15 May 1917	UC 79	Erich Haecker		Ellen (p.)	Steamer	786		da
16 May 1917	U 30	Franz Grünert		Middlesex	Steamer	7,265		br
16 May 1917	U 34	Johannes Klasing		Dorothy Duff	Sailing vessel	186		br
16 May 1917	U 34	Johannes Klasing		Patricio (d.)	Steamer	2,164		sp
16 May 1917	UB 20	Hermann Glimpf		Friso	Sailing vessel	171		nl
16 May 1917	UB 40	Hans Howaldt		Highland Corrie	Steamer	7,583		br
16 May 1917	UB 40	Hans Howaldt		Pagenturm	Steamer	5,000		br
16 May 1917	UC 17	Ralph Wenninger		L’hermite (d.)	Sailing vessel	2,189		fr
16 May 1917	UC 25	Johannes Feldkirchner		Dartmouth (d.)	Light cruiser	5,250		br
16 May 1917	UC 35	Ernst von Voigt		Hilonian	Steamer	2,921		am
16 May 1917	UC 71	Hugo Thielmann		Hendrika Johana	Sailing vessel	134		nl
16 May 1917	UC 79	Erich Haecker		Thorunn (p.)	Steamer	990		nw
17 May 1917	U 19	Johannes Spieß		Vesterland	Steamer	3,832		sw
17 May 1917	U 34	Johannes Klasing		Alfonso	Sailing vessel	230		it
17 May 1917	U 46	Leo Hillebrand		Lewisham	Steamer	2,810		br
17 May 1917	U 47	Heinrich Metzger		Eirini	Steamer	2,662		gr
17 May 1917	U 48	Karl Edeling		Margareta	Sailing vessel	1,873		ru
17 May 1917	U 49	Richard Hartmann		George Pyman	Steamer	3,859		br
17 May 1917	UB 20	Hermann Glimpf		Kilmaho	Steamer	2,155		br
17 May 1917	UB 40	Hans Howaldt		Florence Louisa	Sailing vessel	115		br
17 May 1917	UC 31	Otto von Schrader		Aspen (d.)	Steamer	3,103		sw
17 May 1917	UC 31	Otto von Schrader		Viken	Steamer	1,825		sw
17 May 1917	UC 71	Hugo Thielmann		Jakoba	Fishing vessel (sail)	107		nl
17 May 1917	UC 71	Hugo Thielmann		Mercurius	Fishing vessel (sail)	80		nl
17 May 1917	UC 79	Erich Haecker		Alexander Shukoff (p.)	Steamer	1,652		da
18 May 1917	U 46	Leo Hillebrand		Llandrindod	Steamer	3,841		br
18 May 1917	U 46	Leo Hillebrand		Penhale	Steamer	3,712		br
18 May 1917	U 47	Heinrich Metzger		Frances M.	Sailing vessel	1,228		am
18 May 1917	UB 20	Hermann Glimpf		Adventure	Drifter	50		br
18 May 1917	UB 20	Hermann Glimpf		Primrose	Drifter	62		br
18 May 1917	UC 20	Hans Adalbert von der Lühe		Millicent Knight	Steamer	3,563		br
18 May 1917	UC 36	Gustav Buch		Camberwell	Steamer	4,078		br
18 May 1917	UC 36	Gustav Buch		Elford	Steamer	1,739		br
18 May 1917	UC 36	Gustav Buch		Lucknow	Navy Trawler	171		br
18 May 1917	UC 47	Paul Hundius		Mary Baird	Steamer	1,830		br
18 May 1917	UC 70	Werner Fürbringer		C.E.C.G.	Sailng vessel	47		br
18 May 1917	UC 70	Werner Fürbringer		Dromore	Steamer	268		br
18 May 1917	UC 71	Hugo Thielmann		Annetta	Motor vessel	177		nl
18 May 1917	UC 79	Erich Haecker		Magnus (p.)	Steamer	1,297		da
19 May 1917	U 34	Johannes Klasing		Mardinian	Steamer	3,322		br
19 May 1917	U 45	Erich Sittenfeld		Elise	Sailing vessel	137		da
19 May 1917	U 57	Carl-Siegfried Ritter von Georg		Farnham	Steamer	3,102		br
19 May 1917	k.u.k. U29	Leo Prásil		Mordenwood	Steamer	3,125		br
19 May 1917	UB 20	Hermann Glimpf		Askild	Steamer	2,540		nw
19 May 1917	UC 17	Ralph Wenninger		Kumu (d.)	Navy trawler	315		br
19 May 1917	UC 58	Karl Vesper		Erik	Steamer	785		sw
19 May 1917	UC 58	Karl Vesper		Göta (p.)	Steamer	1,128		sw
19 May 1917	UC 58	Karl Vesper		Kjell	Steamer	235		sw
19 May 1917	UC 58	Karl Vesper		Kyros	Steamer	221		sw
19 May 1917	UC 58	Karl Vesper		Lizzie (p.)	Steamer	1,095		sw
19 May 1917	UC 58	Karl Vesper		Märta (p.)	Steamer	493		sw
19 May 1917	UC 58	Karl Vesper		Olga	Sailing vessel	83		sw
19 May 1917	UC 58	Karl Vesper		Pauline	Steamer	168		sw
19 May 1917	UC 58	Karl Vesper		Therese	Steamer	208		sw
20 May 1917	U 19	Johannes Spieß		Arnfinn Jarl	Steamer	1,097		nw
20 May 1917	U 34	Johannes Klasing		Caspian	Steamer	3,606		br
20 May 1917	U 46	Leo Hillebrand		Lady Patricia	Q-ship	1,372		br
20 May 1917	UB 20	Hermann Glimpf		Normand	Steamer	2,097		nw
20 May 1917	UB 40	Hans Howaldt		Porthkerry	Steamer	1,920		br
20 May 1917	UB 40	Hans Howaldt		Tycho	Steamer	3,216		br
20 May 1917	UC 36	Gustav Buch		Dana	Sailing vessel	182		br
20 May 1917	UC 36	Gustav Buch		Mientji	Sailing vessel	120		br
20 May 1917	UC 36	Gustav Buch		Tijuca	Steamer	2,304		bz
20 May 1917	UC 64	Ernst Müller-Schwarz		Voorwaarts	Sailing vessel	114		nl
20 May 1917	UC 79	Erich Haecker		Otto (p.)	Sailing vessel	152		da
20 May 1917	UC 79	Erich Haecker		Pomona (p.)	Steamer	789		nl
21 May 1917	U 34	Johannes Klasing		Saint Michel	Sailing vessel	175		fr
21 May 1917	U 48	Karl Edeling		Lynton	Sailing vessel	2,531		ru
21 May 1917	U 48	Karl Edeling		Madura	Sailing vessel	1,096		nw
21 May 1917	U 65	Hermann von Fischel		Ampleforth	Steamer	3,873		br
21 May 1917	U 65	Hermann von Fischel		Don Diego	Steamer	3,632		br
21 May 1917	U 80	Alfred von Glasenapp		Senator	Navy Trawler	211		br
21 May 1917	UB 31	Thomas Bieber		City Of Corinth	Steamer	5,870		br
21 May 1917	UB 40	Hans Howaldt		Jupiter	Steamer	2,124		br
21 May 1917	UC 36	Gustav Buch		Ferdinand A.	Steamer	2,062		fr
22 May 1917	U 46	Leo Hillebrand		Tansan Maru	Steamer	2,443		jp
22 May 1917	U 47	Heinrich Metzger		Lapa	Steamer	1,366		bz
22 May 1917	UB 41	Günther Krause		Lanthorn	Steamer	2,299		br
22 May 1917	UC 21	Reinhold Saltzwedel		Jeune Albert	Fishing vessel	25		fr
22 May 1917	UC 65	Otto Steinbrinck		Merse	Navy Trawler	296		br
22 May 1917	UC 69	Erwin Waßner		Nann Smith	Steamer	2,093		nw
23 May 1917	U 30	Franz Grünert		Freden	Sailing vessel	166		da
23 May 1917	U 65	Hermann von Fischel		England	Steamer	3,798		br
23 May 1917	U 65	Hermann von Fischel		Febronia Maria Antonina	Sailing vessel	55		it
23 May 1917	U 87	Rudolf Schneider		Bernisse (d.)	Steamer	951		nl
23 May 1917	U 87	Rudolf Schneider		Elve	Steamer	962		nl
23 May 1917	U 88	Walther Schwieger		Hector	Steamer	1,146		nw
23 May 1917	UB 41	Günther Krause		Monarch	Steamer	1,318		nw
23 May 1917	UC 14	Ulrich Pilzecker		Tettenhall	Navy Trawler	227		br
23 May 1917	UC 21	Reinhold Saltzwedel		Harwood Palmer	Sailing vessel	2,885		am
23 May 1917	UC 21	Reinhold Saltzwedel		Lesto	Steamer	1,940		br
23 May 1917	UC 33	Martin Schelle		Beinir	Fishing vessel (smack)	73		da
23 May 1917	UC 33	Martin Schelle		Britannia	Fishing vessel	69		da
23 May 1917	UC 33	Martin Schelle		Else	Fishing vessel	78		da
23 May 1917	UC 33	Martin Schelle		Margrethe	Fishing vessel (smack)	104		da
23 May 1917	UC 33	Martin Schelle		Olearia	Trawler	209		br
23 May 1917	UC 33	Martin Schelle		Sisapon	Trawler	211		br
23 May 1917	UC 33	Martin Schelle		Streymoy	Fishing vessel	81		da
23 May 1917	UC 35	Ernst von Voigt		Pipitsa	Sailing vessel	224		gr
23 May 1917	UC 40	Gustav Deuerlich		Gran	Steamer	1,153		nw
23 May 1917	UC 64	Ernst Müller-Schwarz		Alberdina	Sailing vessel	100		nl
23 May 1917	UC 67	Karl Neumann		Elmmoor	Steamer	3,744		br
23 May 1917	UC 70	Werner Fürbringer		Begona N°3	Steamer	2,699		sp
24 May 1917	U 32	Kurt Hartwig		Biarritz	Steamer	2,758		fr
24 May 1917	U 46	Leo Hillebrand		Jersey City	Steamer	4,670		br
24 May 1917	U 47	Heinrich Metzger		Barbara	Sailing vessel	838		am
24 May 1917	U 57	Carl-Siegfried Ritter von Georg		Belgian	Steamer	3,657		br
24 May 1917	U 65	Hermann von Fischel		Sant Antonio Di Padova	Sailing vessel	184		it
24 May 1917	UB 38	Wilhelm Amberger		Gudrun	Sailing vessel	1,472		nw
24 May 1917	UB 38	Wilhelm Amberger		Thyra	Sailing vessel	285		da
24 May 1917	UC 25	Johannes Feldkirchner		Domenico Barone	Sailing vessel	171		it
24 May 1917	UC 33	Martin Schelle		Brestir	Fishing vessel (smack)	69		da
24 May 1917	UC 33	Martin Schelle		Isabella Innes	Fishing vessel	37		da
24 May 1917	UC 33	Martin Schelle		Traveller	Fishing vessel (smack)	76		da
24 May 1917	UC 35	Ernst von Voigt		Mcclure	Sailing vessel	220		br
24 May 1917	UC 62	Max Schmitz		Chicago City (d.)	Steamer	2,324		br
25 May 1917				Westland	Steamer	1,283		nl
25 May 1917	U 38	Max Valentiner		Kohinur	Steamer	2,265		br
25 May 1917	U 47	Heinrich Metzger		Magnus Manson	Sailing vessel	1,751		am
25 May 1917	U 65	Hermann von Fischel		Diego Russo	Sailing vessel	113		it
25 May 1917	U 65	Hermann von Fischel		Natale Monaco	Sailing vessel	57		it
25 May 1917	U 65	Hermann von Fischel		Rosina R.	Sailing vessel	54		it
25 May 1917	U 65	Hermann von Fischel		Vincenzino C.	Sailing vessel	55		it
25 May 1917	U 88	Walther Schwieger		Hilary	Armed merchant cruiser	6,329		br
25 May 1917	UC 20	Hans Adalbert von der Lühe		Argentina	Sailing vessel	97		it
25 May 1917	UC 20	Hans Adalbert von der Lühe		Ida	Sailing vessel	46		it
25 May 1917	UC 33	Martin Schelle		A. H. Friis	Sailing vessel	110		da
25 May 1917	UC 33	Martin Schelle		Glyg	Steamer	358		nw
25 May 1917	UC 33	Martin Schelle		Whinlatter	Sailing vessel	1,378		nw
25 May 1917	UC 35	Ernst von Voigt		Nicolino	Sailing vessel	121		it
25 May 1917	UC 66	Herbert Pustkuchen		Sjaelland	Steamer	1,405		br
26 May 1917	U 19	Johannes Spieß		Norway	Passenger steamer	1,447		nw
26 May 1917	U 38	Max Valentiner		Holmesbank	Steamer	3,051		br
26 May 1917	U 65	Hermann von Fischel		Angelo Padre	Sailing vessel	50		it
26 May 1917	U 65	Hermann von Fischel		Umaria	Steamer	5,317		br
26 May 1917	U 87	Rudolf Schneider		Lucipara	Sailing vessel	1,943		ru
26 May 1917	U 87	Rudolf Schneider		Saint Mirren	Sailing vessel	1,956		br
26 May 1917	UB 43	Horst Obermüller		Dorothy	Steamer	4,494		gr
26 May 1917	UC 20	Hans Adalbert von der Lühe		Abd Es Salem	Sailing vessel	25		fr
26 May 1917	UC 20	Hans Adalbert von der Lühe		Dandolo	Sailing vessel	50		fr
26 May 1917	UC 20	Hans Adalbert von der Lühe		Manoubia	Sailing vessel	50		fr
26 May 1917	UC 20	Hans Adalbert von der Lühe		Messaouda	Sailing vessel	50		fr
26 May 1917	UC 20	Hans Adalbert von der Lühe		San Francesco	Sailing vessel	47		it
26 May 1917	UC 20	Hans Adalbert von der Lühe		Unione Salvatore	Sailing vessel	57		it
26 May 1917	UC 21	Reinhold Saltzwedel		Aristides	Steamer	2,179		gr
26 May 1917	UC 21	Reinhold Saltzwedel		Norhaug	Steamer	1,245		nw
26 May 1917	UC 35	Ernst von Voigt		Risorgimento	Sailing vessel	222		it
26 May 1917	UC 45	Hubert Aust		Saint Hubert	Sailing vessel	423		fr
26 May 1917	UC 67	Karl Neumann		Dover Castle	Hospital ship	8,271		br
26 May 1917	UC 73	Kurt Schapler		Agragas	steamer	850		it
27 May 1917	U 19	Johannes Spieß		Debora	Sailing vessel	159		da
27 May 1917	U 33	Gustav Sieß		Beatrice	Sailing vessel	106		it
27 May 1917	U 33	Gustav Sieß		Michele Costantino	Sailing vessel	51		it
27 May 1917	U 65	Hermann von Fischel		Luigi	Sailing vessel	137		it
27 May 1917	U 65	Hermann von Fischel		Maria Giuseppe	Sailing vessel	26		it
27 May 1917	UC 20	Hans Adalbert von der Lühe		Boldwell	Steamer	3,118		br
27 May 1917	UC 21	Reinhold Saltzwedel		Efstathios	Steamer	3,847		gr
27 May 1917	UC 50	Rudolf Seuffer		Dartmoor	Steamer	2,870		br
27 May 1917	UC 70	Werner Fürbringer		General De Boisdeffre	Sailing vessel	2,195		fr
28 May 1917	U 86	Friedrich Crüsemann		Antinoe	Steamer	2,396		br
28 May 1917	U 86	Friedrich Crüsemann		Limerick	Steamer	6,827		br
28 May 1917	U 88	Walther Schwieger		Roma (d.)	Sailing vessel	417		ru
28 May 1917	UC 21	Reinhold Saltzwedel		Hiram	steamer	598		nw
28 May 1917	UC 21	Reinhold Saltzwedel		Urna	Steamer	2,686		nw
28 May 1917	UC 21	Reinhold Saltzwedel		Waldemar	Steamer	1,267		nw
28 May 1917	UC 25	Johannes Feldkirchner		Nuovo S. Giovanni	Sailing vessel	31		it
28 May 1917	UC 25	Johannes Feldkirchner		San Domenico	Sailing vessel	27		it
28 May 1917	UC 44	Kurt Tebbenjohanns		Turid	Steamer	1,148		nw
28 May 1917	UC 45	Hubert Aust		Teie	Sailing vessel	1,974		nw
28 May 1917	UC 55	Theodor Schultz		Asters	Sailing vessel	1,531		nw
28 May 1917	UC 70	Werner Fürbringer		Ancona	Steamer	1,168		br
28 May 1917	UC 72	Ernst Voigt		Detlef Wagner	Sailing vessel	225		br
29 May 1917	U 28	Georg Schmidt		Fridtjof Nansen	Steamer	2,190		nw
29 May 1917	U 28	Georg Schmidt		Karna	Sailing vessel	210		nw
29 May 1917	U 28	Georg Schmidt		Kodan	Sailing vessel	217		nw
29 May 1917	U 69	Ernst Wilhelms		Argo	Sailing vessel	123		sw
29 May 1917	U 69	Ernst Wilhelms		Consul N. Nielsen	Sailing vessel	1,395		da
29 May 1917	U 69	Ernst Wilhelms		Ines	Sailing vessel	261		sw
29 May 1917	U 86	Friedrich Crüsemann		Oswego	Steamer	5,793		br
29 May 1917	U 88	Walther Schwieger		Ashleaf	Tanker	5,768		br
29 May 1917	UC 55	Theodor Schultz		Clan Murray	Steamer	4,835		br
29 May 1917	UC 74	Wilhelm Marschall		Aghia Tom Aghion	Sailing vessel	30		gr
29 May 1917	UC 74	Wilhelm Marschall		Kirikos	Sailing vessel	84		gr
29 May 1917	UC 74	Wilhelm Marschall		Yarra	Troopship	4,163		fr
30 May 1917	U 87	Rudolf Schneider		Bathurst	Steamer	2,821		br
30 May 1917	U 87	Rudolf Schneider		Hanley	Steamer	3,331		br
30 May 1917	k.u.k. U4	Rudolf Singule		Italia	Armed boarding steamer	1,305		fr
30 May 1917	UC 21	Reinhold Saltzwedel		Sørland	Steamer	2,472		nw
30 May 1917	UC 36	Gustav Buch		Corbet Woodall	Steamer	917		br
30 May 1917	UC 50	Rudolf Seuffer		Ina William	Navy Trawler	337		br
30 May 1917	UC 55	Theodor Schultz		Fernley (d.)	Steamer	3,820		br
30 May 1917	UC 62	Max Schmitz		Lisbon	Steamer	1,203		br
31 May 1917	U 69	Ernst Wilhelms		Esneh	Steamer	3,247		br
31 May 1917	U 86	Friedrich Crüsemann		N. Hadzikyriakos	Steamer	3,533		gr
31 May 1917	U 88	Walther Schwieger		Jeanne Cordonnier	Sailing vessel	2,194		fr
31 May 1917	U 88	Walther Schwieger		Miyazaki Maru	Passenger steamer	7,892		jp
31 May 1917	UB 23	Hans Ewald Niemer		Dirigo	Sailing vessel	3,004		am
31 May 1917	UC 25	Johannes Feldkirchner		Ninotto	Sailing vessel	208		it
31 May 1917	UC 34	Robert Sprenger		Ozarda (d.)	Steamer	4,791		br
31 May 1917	UC 73	Kurt Schapler		Rosebank	Steamer	3,837		br
						703,257
385 ships sunk (617,536 tons) and 27 ships damaged (85,721 tons). Legend (d.) means the ship was damaged. (p.) means the ship was taken as prize (included in ships & tonnage lost). We have a picture of this vessel.

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Ships Attacked by U-boats during WWI

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