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The American Destroyer USS Cassin. She was hit by U 61 on 15 Oct 1917.

This is the full listing of all ships hit during October 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 October 1917

Date	U-boat	Commander		Name of ship	Type of ship	Tons	Nat.
1 Oct 1917	U 151	Waldemar Kophamel		Etna	Steamer	5,604		it
1 Oct 1917	U 39	Walter Forstmann		Mersario	Steamer	3,847		br
1 Oct 1917	U 39	Walter Forstmann		Normanton	Steamer	3,862		br
1 Oct 1917	U 60	Karlgeorg Schuster		Saint Pierre	Sailing vessel	277		fr
1 Oct 1917	U 73	Ernst von Voigt		Ludovicos	Sailing vessel	50		br
1 Oct 1917	U 90	Walter Remy		Neuilly	Sailing vessel	2,186		fr
1 Oct 1917	U 96	Heinrich Jeß		Carrabin	Sailing vessel	2,739		br
2 Oct 1917	U 151	Waldemar Kophamel		Viajante	Sailing vessel	377		pt
2 Oct 1917	U 39	Walter Forstmann		Almora	Steamer	4,385		br
2 Oct 1917	U 39	Walter Forstmann		Hikosan Maru	Steamer	3,555		jp
2 Oct 1917	U 39	Walter Forstmann		Nuceria	Steamer	4,702		br
2 Oct 1917	U 60	Karlgeorg Schuster		Eugene Louise (d.)	Sailing vessel	283		fr
2 Oct 1917	U 79	Otto Rohrbeck		Brisk (d.)	Destroyer	790		br
2 Oct 1917	U 79	Otto Rohrbeck		Drake	Armored cruiser	14,300		br
2 Oct 1917	U 79	Otto Rohrbeck		Lugano	Steamer	3,810		br
2 Oct 1917	U 89	August Mildenberger		Trafaria	Steamer	1,744		pt
2 Oct 1917	UB 48	Wolfgang Steinbauer		Imera	Steamer	1,172		it
2 Oct 1917	UC 14	Hellmut Lorenz		Willing Boys	Fishing vessel (smack)	51		br
3 Oct 1917				Memling	Steamer	7,307		br
3 Oct 1917	U 60	Karlgeorg Schuster		Saint Antoine	Sailing vessel	217		fr
3 Oct 1917	U 60	Karlgeorg Schuster		Stella	Sailing vessel	219		fr
3 Oct 1917	U 89	August Mildenberger		Baron Blantyre	Steamer	1,844		br
3 Oct 1917	U 90	Walter Remy		Jeannette	Sailing vessel	226		fr
3 Oct 1917	U 96	Heinrich Jeß		Hurst	Steamer	4,718		br
3 Oct 1917	UB 41	Max Ploen		Clydebrae (d.)	Steamer	502		br
3 Oct 1917	UC 35	Hans Paul Korsch		Elisa	Sailing vessel	178		it
3 Oct 1917	UC 35	Hans Paul Korsch		Giuseppe Ferrante	Sailing vessel	51		it
3 Oct 1917	UC 47	Paul Hundius		Annie F. Conlon	Sailing vessel	591		am
3 Oct 1917	UC 65	Claus Lafrenz		Tasmania	Steamer	3,662		it
4 Oct 1917				Kassid Karim	Sailing vessel	65		fr
4 Oct 1917	U 151	Waldemar Kophamel		Bygdønes	Steamer	2,849		nw
4 Oct 1917	U 32	Kurt Hartwig		Constantinos Embiricos	Steamer	2,611		gr
4 Oct 1917	U 32	Kurt Hartwig		Nicolaos Roussos	Steamer	2,421		gr
4 Oct 1917	U 96	Heinrich Jeß		Rupee	Fishing vessel	39		br
4 Oct 1917	U 96	Heinrich Jeß		Young Clifford	Fishing vessel (smack)	47		br
4 Oct 1917	UB 35	Karl Stöter		Perseverance	Fishing vessel (smack)	30		br
4 Oct 1917	UC 67	Karl Neumann		Stella	Navy Trawler	216		fr
5 Oct 1917	k.u.k. U28	Zdenko Hudecek		Bontnewydd	Steamer	3,296		br
5 Oct 1917	UB 51	Ernst Krafft		Forestmoor	Steamer	2,844		br
6 Oct 1917	U 89	August Mildenberger		Victorine	Sailing vessel	1,241		fr
6 Oct 1917	U 96	Heinrich Jeß		Bedale	Steamer	2,116		br
6 Oct 1917	UB 48	Wolfgang Steinbauer		Citta Di Bari	Passenger steamer	1,489		it
6 Oct 1917	UC 69	Hugo Thielmann		Lamartine	Sailing vessel	424		fr
6 Oct 1917	UC 69	Hugo Thielmann		Le Coq (d.)	Tanker	3,419		br
6 Oct 1917	UC 74	Wilhelm Marschall		Civilian	Steamer	7,871		br
7 Oct 1917	UB 57	Otto Steinbrinck		Alcyone	Sailing vessel	116		br
7 Oct 1917	UC 14	Adolf Feddersen		Reliance	Drifter	60		br
7 Oct 1917	UC 73	Kurt Schapler		Georgios	Sailing vessel	560		gr
8 Oct 1917	U 57	Carl-Siegfried Ritter von Georg		Aylevarroo	Steamer	908		br
8 Oct 1917	U 57	Carl-Siegfried Ritter von Georg		Richard De Larrinaga	Steamer	5,591		br
8 Oct 1917	U 96	Heinrich Jeß		Greldon	Steamer	3,322		br
8 Oct 1917	U 96	Heinrich Jeß		Memphian	Steamer	6,305		br
9 Oct 1917				Ioannis	Sailing vessel	280		gr
9 Oct 1917	U 101	Karl Koopmann		Nervier	Steamer	1,759		be
9 Oct 1917	U 96	Heinrich Jeß		Champagne	Armed merchant cruiser	5,360		br
9 Oct 1917	U 96	Heinrich Jeß		Peshawur	Steamer	7,634		br
9 Oct 1917	UB 48	Wolfgang Steinbauer		Niki	Steamer	511		gr
9 Oct 1917	UC 51	Hans Galster		Poldown	Steamer	1,370		br
9 Oct 1917	UC 75	Johannes Lohs		Main	Steamer	715		br
10 Oct 1917				Waltham	Navy Trawler	162		br
10 Oct 1917	U 32	Kurt Hartwig		Transporteur	Steamer	1,812		fr
10 Oct 1917	U 53	Hans Rose		Bostonian	Steamer	5,736		br
10 Oct 1917	U 53	Hans Rose		Gowrie	Steamer	1,031		br
11 Oct 1917	U 22	Hinrich Hermann Hashagen		Elve	Steamer	899		br
11 Oct 1917	U 53	Hans Rose		Lewis Luckenbach	Steamer	3,906		am
11 Oct 1917	U 61	Victor Dieckmann		Rhodesia	Steamer	4,313		br
11 Oct 1917	UB 42	Kurt Schwarz		Agios Georgios		106		ru
11 Oct 1917	UB 57	Otto Steinbrinck		Joshua	Sailing vessel	60		br
11 Oct 1917	UC 35	Hans Paul Korsch		Cayo Bonito	Steamer	3,427		br
11 Oct 1917	UC 35	Hans Paul Korsch		Italia	Steamer	3,456		it
11 Oct 1917	UC 35	Hans Paul Korsch		Lovli	Steamer	7,212		it
11 Oct 1917	UC 37	Willy List		Unidentified Sailing Vessel	Sailing vessel	14
11 Oct 1917	UC 40	Hermann Menzel		Voronezh (d.)	Steamer	5,331		ru
11 Oct 1917	UC 50	Rudolf Seuffer		Baychattan	Steamer	3,758		br
11 Oct 1917	UC 50	Rudolf Seuffer		Mira	Tanker	3,700		br
11 Oct 1917	UC 74	Wilhelm Marschall		Panormitis	Sailing vessel	59		fr
12 Oct 1917	U 151	Waldemar Kophamel		Parthian (d.)	Destroyer	1,025		br
12 Oct 1917	U 57	Carl-Siegfried Ritter von Georg		Cape Corso (d.)	Steamer	3,890		br
12 Oct 1917	U 57	Carl-Siegfried Ritter von Georg		Georgios Markettos	Steamer	2,269		gr
12 Oct 1917	UB 18	Georg Niemeyer		Peebles	Steamer	4,284		br
12 Oct 1917	UB 51	Ernst Krafft		Themis	Steamer	7,403		nw
12 Oct 1917	UC 75	Johannes Lohs		W. M. Barkley	Steamer	569		br
13 Oct 1917	U 151	Waldemar Kophamel		Caprera	Steamer	5,040		it
13 Oct 1917	U 35	Lothar von Arnauld de la Perière		Alavi	Steamer	3,627		br
13 Oct 1917	U 35	Lothar von Arnauld de la Perière		Despina G. Michalinos	Steamer	2,851		gr
13 Oct 1917	U 35	Lothar von Arnauld de la Perière		Doris	Steamer	3,979		it
13 Oct 1917	U 35	Lothar von Arnauld de la Perière		Lilla	Steamer	2,819		it
13 Oct 1917	U 57	Carl-Siegfried Ritter von Georg		Diu	Steamer	5,556		pt
13 Oct 1917	U 62	Ernst Hashagen		Woodburn (d.)	Steamer	2,360		br
13 Oct 1917	UB 58	Werner Fürbringer		Bethel	Sailing vessel	257		nw
13 Oct 1917	UB 58	Werner Fürbringer		Esmeralda	Sailing vessel	830		sw
13 Oct 1917	UB 64	Otto von Schrader		Newquay (d.)	Steamer	4,191		br
13 Oct 1917	UC 35	Hans Paul Korsch		Tripoli (d.)	Passenger steamer	1,743		it
13 Oct 1917	UC 75	Johannes Lohs		Eskmere	Steamer	2,293		br
14 Oct 1917	U 105	Friedrich Strackerjan		Ecaterini C. D.	Steamer	3,739		gr
14 Oct 1917	U 57	Carl-Siegfried Ritter von Georg		East Wales	Steamer	4,321		br
14 Oct 1917	UB 48	Wolfgang Steinbauer		Valparaiso	Steamer	4,930		it
14 Oct 1917	UC 48	Kurt Ramien		Barbro	Steamer	2,356		nw
14 Oct 1917	UC 48	Kurt Ramien		Castro	Steamer	1,994		gr
14 Oct 1917	UC 73	Kurt Schapler		Lido G.	Steamer	1,003		it
14 Oct 1917	UC 74	Wilhelm Marschall		Semantha	Steamer	2,847		br
15 Oct 1917	U 105	Friedrich Strackerjan		Saint Paul	Sailing vessel	79		fr
15 Oct 1917	U 105	Friedrich Strackerjan		St. Helens	Steamer	1,497		am
15 Oct 1917	U 35	Lothar von Arnauld de la Perière		City Of Belfast (d.)	Armed boarding steamer	1,055		br
15 Oct 1917	U 53	Hans Rose		San Nazario (d.)	Tanker	10,064		br
15 Oct 1917	U 61	Victor Dieckmann		Cassin (d.)	Destroyer	1,020		am
15 Oct 1917	UC 48	Kurt Ramien		Hovde	Steamer	1,196		nw
15 Oct 1917	UC 51	Hans Galster		Active Iii	Navy Drifter	81		br
15 Oct 1917	UC 62	Max Schmitz		Hartburn	Steamer	2,367		br
15 Oct 1917	UC 74	Wilhelm Marschall		White Head	Steamer	1,172		br
15 Oct 1917	UC 77	Reinhard von Rabenau		Leander (d.)	Steamer	2,793		br
15 Oct 1917	UC 79	Werner Löwe		Garthclyde	Steamer	2,124		br
16 Oct 1917	U 22	Hinrich Hermann Hashagen		Jennie E. Righter	Sailing vessel	647		am
16 Oct 1917	UC 60	Waldemar von Fischer		Est	Steamer	1,426		ru
17 Oct 1917	U 105	Friedrich Strackerjan		Antilles	Passenger steamer	6,878		am
17 Oct 1917	U 22	Hinrich Hermann Hashagen		California	Passenger steamer	5,629		br
17 Oct 1917	U 53	Hans Rose		Manchuria	Steamer	2,997		br
17 Oct 1917	U 53	Hans Rose		Polvena	Steamer	4,750		br
17 Oct 1917	U 62	Ernst Hashagen		Adams	Steamer	2,223		br
17 Oct 1917	UC 25	Walter Lippold		Goorkha (d.)	Hospital ship	6,335		br
17 Oct 1917	UC 79	Werner Löwe		Ruby	Navy Trawler	251		br
18 Oct 1917	U 35	Lothar von Arnauld de la Perière		Lorenzo	Steamer	2,498		it
18 Oct 1917	U 62	Ernst Hashagen		Madura	Steamer	4,484		br
18 Oct 1917	U 93	Helmut Gerlach		Macao	Steamer	3,557		bz
18 Oct 1917	UB 21	Walter Scheffler		Amsteldam	Steamer	1,233		br
18 Oct 1917	UC 25	Johannes Feldkirchner		Anna Scotto	Steamer	594		it
18 Oct 1917	UC 47	Günther Wigankow		Cadmus	Steamer	1,879		br
18 Oct 1917	UC 47	Günther Wigankow		Togston	Steamer	1,057		br
18 Oct 1917	UC 64	Erich Hecht		Altair	Steamer	1,674		nw
18 Oct 1917	UC 64	Erich Hecht		Sten	Steamer	928		br
18 Oct 1917	UC 65	Claus Lafrenz		Comrades	Navy Drifter	63		br
19 Oct 1917				Britannia	Steamer	765		br
19 Oct 1917	U 151	Waldemar Kophamel		Harpon (d.)	Steamer	1,484		fr
19 Oct 1917	U 22	Hinrich Hermann Hashagen		Australdale	Steamer	4,379		au
19 Oct 1917	U 22	Hinrich Hermann Hashagen		Staro	Steamer	1,805		nw
19 Oct 1917	U 35	Lothar von Arnauld de la Perière		Ikoma Maru	Steamer	3,048		jp
19 Oct 1917	U 53	Hans Rose		Parkhaven	Steamer	2,635		nl
19 Oct 1917	U 62	Ernst Hashagen		J. L. Luckenbach (d.)	Steamer	4,920		am
19 Oct 1917	U 62	Ernst Hashagen		Orama	Armed merchant cruiser	12,927		br
19 Oct 1917	U 64	Robert Moraht		War Clover	Steamer	5,174		br
19 Oct 1917	k.u.k. U14	Georg Ritter von Trapp		Elsiston	Steamer	2,908		br
19 Oct 1917	k.u.k. U14	Georg Ritter von Trapp		Good Hope	Steamer	3,618		br
19 Oct 1917	UB 21	Walter Scheffler		Gemma	Steamer	1,385		br
19 Oct 1917	UB 31	Thomas Bieber		Waikawa	Steamer	5,666		br
19 Oct 1917	UB 38	Wilhelm Amberger		Teespool (d.)	Steamer	4,577		br
19 Oct 1917	UB 40	Hans Howaldt		Wellington (d.)	Steamer	5,600		br
19 Oct 1917	UB 48	Wolfgang Steinbauer		Pera	Steamer	7,635		br
19 Oct 1917	UB 66	Fritz Wernicke		Martha	Sailing ship	412		da
19 Oct 1917	UC 40	Hermann Menzel		Slavonic	Steamer	3,604		ru
19 Oct 1917	UC 75	Johannes Lohs		Hazelwood	Steamer	3,120		br
19 Oct 1917	UC 77	Reinhard von Rabenau		Eldra	Sailing vessel	227		br
19 Oct 1917	UC 79	Werner Löwe		Cupica	Auxiliary motor	1,240		br
19 Oct 1917	UC 79	Werner Löwe		Renard	Navy Trawler	285		fr
20 Oct 1917	U 151	Waldemar Kophamel		Moyori Maru	Steamer	3,746		jp
20 Oct 1917	U 22	Hinrich Hermann Hashagen		Snetinden	Steamer	2,859		nw
20 Oct 1917	U 57	Carl-Siegfried Ritter von Georg		Norden	Sailing vessel	703		sw
20 Oct 1917	U 71	Walter Gude		Thomas Stratten	Navy Trawler	309		br
20 Oct 1917	UB 31	Thomas Bieber		Colorado	Steamer	7,165		br
20 Oct 1917	UB 38	Wilhelm Amberger		Algarve	Steamer	1,274		br
20 Oct 1917	UB 48	Wolfgang Steinbauer		Collegian	Steamer	7,520		br
20 Oct 1917	UB 57	Otto Steinbrinck		Leander	Steamer	2,968		nw
20 Oct 1917	UB 57	Otto Steinbrinck		Nitedal	Steamer	1,714		nw
20 Oct 1917	UC 25	Walter Lippold		Virginia Gentile	Sailing vessel	164		it
20 Oct 1917	UC 4	Walter Schmitz		Vitality	Navy Trawler	202		br
20 Oct 1917	UC 51	Hans Galster		Ionian	Passenger steamer	8,268		br
21 Oct 1917	U 107	Wilhelm-Friedrich Starke		Epiros (d.)	Steamer	1,084		gr
21 Oct 1917	U 151	Waldemar Kophamel		Gryfevale	Steamer	4,437		br
21 Oct 1917	UC 40	Hermann Menzel		Anglo Dane	Steamer	808		da
21 Oct 1917	UC 40	Hermann Menzel		Flynderborg	Steamer	1,400		da
21 Oct 1917	UC 49	Karl Petri		Bunty	Tug	73		br
21 Oct 1917	UC 79	Werner Löwe		Tom Roper	Sailing vessel	120		br
22 Oct 1917	U 46	Leo Hillebrand		Zillah	Steamer	3,788		br
22 Oct 1917	UB 57	Otto Steinbrinck		Novillo	Steamer	2,336		da
22 Oct 1917	UC 48	Hellmut Lorenz		Aizcorri Mendi (d.)	Steamer	2,272		sp
23 Oct 1917	U 79	Otto Rohrbeck		Earl Lennox	Navy Trawler	226		br
23 Oct 1917	k.u.k. U14	Georg Ritter von Trapp		Capo Di Monte	Steamer	5,902		it
23 Oct 1917	UB 31	Thomas Bieber		Lepanto (d.)	Steamer	6,389		br
23 Oct 1917	UB 57	Otto Steinbrinck		Seistan	Steamer	4,238		br
23 Oct 1917	UB 57	Otto Steinbrinck		Tredegar Hall	Steamer	3,764		br
24 Oct 1917	U 46	Leo Hillebrand		Ilderton	Steamer	3,125		br
24 Oct 1917	UB 40	Hans Howaldt		Gallia	Steamer	2,728		it
24 Oct 1917	UC 40	Hermann Menzel		Novington (d.)	Steamer	3,442		br
24 Oct 1917	UC 40	Hermann Menzel		Woron	Steamer	3,342		ru
24 Oct 1917	UC 63	Karsten von Heydebreck		Ulfsborg	Steamer	2,040		da
25 Oct 1917				Madalena	Steamer	2,601		it
25 Oct 1917	U 35	Lothar von Arnauld de la Perière		Fannie Prescott	Sailing vessel	404		am
25 Oct 1917	U 64	Robert Moraht		Erviken	Steamer	2,134		nw
25 Oct 1917	U 64	Robert Moraht		Ness	Steamer	3,050		br
25 Oct 1917	U 64	Robert Moraht		Sheaf Blade	Steamer	2,378		br
25 Oct 1917	UB 40	Hans Howaldt		Gefion	Steamer	1,123		br
25 Oct 1917	UC 11	Karl Dobberstein		Wearside	Steamer	3,560		br
25 Oct 1917	UC 34	Horst Obermüller		Euston	Steamer	2,841		br
26 Oct 1917	U 104	Kurt Bernis		Sapele	Steamer	4,366		br
26 Oct 1917	U 64	Robert Moraht		Le Tarn	Steamer	1,658		fr
27 Oct 1917	U 93	Helmut Gerlach		D. N. Luckenbach	Steamer	2,929		am
27 Oct 1917	UB 34	Hellmuth von Ruckteschell		Lady Helen	Steamer	811		br
27 Oct 1917	UC 11	Karl Dobberstein		Strymon	Navy Trawler	198		br
28 Oct 1917	U 46	Leo Hillebrand		Baron Balfour	Steamer	3,991		br
28 Oct 1917	U 64	Robert Moraht		Ferrona	Steamer	4,591		br
28 Oct 1917	U 93	Helmut Gerlach		Finland (d.)	Passenger steamer	12,222		am
28 Oct 1917	UB 40	Hans Howaldt		Redesmere	Steamer	2,123		br
28 Oct 1917	UB 50	Franz Becker		Marc Fraissinet	Steamer	3,060		fr
28 Oct 1917	UB 50	Franz Becker		Senegal	Steamer	845		it
28 Oct 1917	UC 63	Karsten von Heydebreck		Baron Garioch	Steamer	1,831		br
29 Oct 1917	U 35	Lothar von Arnauld de la Perière		Namur	Passenger steamer	6,694		br
29 Oct 1917	U 93	Helmut Gerlach		La Epoca	Sailing vessel	2,432		ur
29 Oct 1917	UC 63	Karsten von Heydebreck		Marne	Steamer	979		fr
30 Oct 1917	U 93	Helmut Gerlach		Liff	Steamer	2,521		nw
31 Oct 1917	U 35	Lothar von Arnauld de la Perière		Cambric	Steamer	3,403		br
31 Oct 1917	UB 35	Karl Stöter		Phare	Steamer	1,282		br
31 Oct 1917	UB 65	Martin Schelle		Margrete (d.)	Steamer	1,277		da
31 Oct 1917	UC 37	Willy List		Evangelistria	Sailing vessel	17		gr
31 Oct 1917	UC 65	Claus Lafrenz		North Sea	Steamer	1,711		br
31 Oct 1917	UC 71	Ernst Steindorff		Estrellano	Steamer	1,161		br
						576,440
189 ships sunk (488,372 tons) and 25 ships damaged (88,068 tons). Legend (d.) means the ship was damaged. We have a picture of this vessel.

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Ships Attacked by U-boats during WWI

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