List of shipwrecks in May 1917

The list of shipwrecks in May 1917 includes ships sunk, foundered, grounded, or otherwise lost during May 1917.

This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources.

May 1917
Mon	Tue	Wed	Thu	Fri	Sat	Sun
	1	2	3	4	5	6
7	8	9	10	11	12	13
14	15	16	17	18	19	20
21	22	23	24	25	26	27
28	29	30	31	Unknown date
References

1 May

List of shipwrecks: 1 May 1917

Ship	State	Description
Acacia	France	World War I: The fishing vessel was sunk in the Bay of Biscay 7 nautical miles (13 km) off the Chassiron Lighthouse, Charente-Maritime by SM UC-72 ( Imperial German Navy). Her crew survived.[1]
Alide	Russia	World War I: The sailing vessel was sunk in the Atlantic Ocean off Land's End, Cornwall, United Kingdom by SM UC-75 ( Imperial German Navy).[2]
Antigone	France	World War I: The fishing vessel was sunk in the Bay of Biscay 8 nautical miles (15 km) off the Chassiron Lighthouse by SM UC-72 ( Imperial German Navy). Her crew survived.[3]
Bagdale	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the English Channel 13 nautical miles (24 km) north east of Creac'h Point, Ouessant, Finistère, France (48°41′N 5°08′W) by SM UC-66 ( Imperial German Navy) with the loss of 23 of her crew.[4][5]
Barreiro	Portugal	World War I: The cargo ship was sunk in the Bay of Biscay 4 nautical miles (7.4 km) off Suances, Cantabria, Spain by SM UC-69 ( Imperial German Navy).[6]
British Sun	United Kingdom	World War I: The tanker was torpedoed and sunk in the Mediterranean Sea 230 nautical miles (430 km) east south east of Malta by SM UB-43 ( Imperial German Navy). Her crew survived.[5][7]
C. A. Jacques	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the English Channel 26 nautical miles (48 km) west south west of Boulogne, Pas-de-Calais, France (50°27′N 1°04′E) by SM UB-18 ( Imperial German Navy) with the loss of three of her crew.[5][8]
Camille Amelin	France	World War I: The fishing vessel was sunk in the Bay of Biscay 6 nautical miles (11 km) off the Baleines Lighthouse, Charente-Maritime by SM UC-72 ( Imperial German Navy). Her crew survived.[9]
Dora	United Kingdom	World War I: The coaster was scuttled in the Irish Sea 11 nautical miles (20 km) west of the Mull of Galloway by SM UC-65 ( Imperial German Navy). Her crew survived.[10]
Genua	United Kingdom	World War I: The collier was torpedoed and sunk in the North Sea off Southwold, Suffolk by a Luftstreitkräfte aircraft.[5][11]
Firelight	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the North Sea (55°01′N 1°21′W) by SM UC-29 ( Imperial German Navy). Her crew survived.[5][12]
Imberhorne	Finland	World War I: The full-rigged ship was sunk in the Atlantic Ocean 130 nautical miles (240 km) north west by west of the Stags of Broadhaven, County Mayo, United Kingdom (54°07′N 13°04′W) by SM UC-73 ( Imperial German Navy).[13]
Ladywood	United Kingdom	World War I: The cargo ship was scuttled in the Atlantic Ocean 15 nautical miles (28 km) south west of the Wolf Rock, Cornwall (49°52′N 5°59′W) by SM UB-38 ( Imperial German Navy). Her crew survived.[14]
Helen	United Kingdom	World War I: The coaster was scuttled in the Irish Sea 11 nautical miles (20 km) west of the Mull of Galloway, Wigtownshire by SM UC-65 ( Imperial German Navy). Her crew survived.[5][15]
Ivrig	Norway	World War I: The barque was shelled and sunk in the Irish Sea 10 nautical miles (19 km) south west of Portpatrick, Wigtownshire by SM UC-65 ( Imperial German Navy). Her crew survived.[16]
John W. Pearn	United Kingdom	World War I: The schooner was scuttled in the English Channel 40 nautical miles (74 km) south south east of Start Point, Devon (49°42′N 2°58′W) by SM UC-66 ( Imperial German Navy). Her crew survived.[17]
La Manche	France	World War I: The barque was scuttled in the English Channel 8 nautical miles (15 km) north of the Les Hanois Lighthouse, Guernsey, Channel Islands by SM UC-66 ( Imperial German Navy). Her crew survived.[18]
Progress	United States	The barge sank in strong winds and rough seas off Ship John Light in the Delaware River.[19][20]
Raymond Ester	France	World War I: The fishing vessel was sunk in the Atlantic Ocean 10 nautical miles (19 km) north west of Pendeen, Cornwall (50°15′N 5°53′W) by SM UC-48 ( Imperial German Navy).[21]
Rockingham	United States	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 150 nautical miles (280 km) west north west of Ireland (55°12′N 12°30′W) by SM U-69 ( Imperial German Navy) with the loss of 2–13 of her crew, depending on sources.[22][23][24]
San Urbano	United Kingdom	World War I: The tanker was torpedoed and sunk in the Atlantic Ocean 180 nautical miles (330 km) north west by north of the Fastnet Rock (51°33′N 13°38′W) by SM U-81 ( Imperial German Navy) with the loss of four of her crew.[25]
SM U-81	Imperial German Navy	World War I: The Type U 81 submarine was torpedoed and sunk in the Atlantic Ocean west of Ireland (51°33′N 13°38′W) by HMS E54 ( Royal Navy) with the loss of 24 of her crew.
W. D. Potts	United Kingdom	World War I: The schooner was shelled and sunk in the Irish Sea 10 nautical miles (19 km) south west of Portpatrick by SM UC-65 ( Imperial German Navy). Her crew survived.[26]

2 May

List of shipwrecks: 2 May 1917

Ship	State	Description
Alessandria	Italy	World War I: The cargo ship was sunk in the Mediterranean Sea 100 nautical miles (190 km) north of Benghazi, Libya by SM UC-74 ( Imperial German Navy).[27]
Amber	United Kingdom	World War I: The coaster was scuttled in the Irish Sea 2 nautical miles (3.7 km) Ballyhalbert, County Down by SM UC-65 ( Imperial German Navy). Her crew survived.[5][28]
Beeswing	United Kingdom	World War I: The barque was shelled and sunk in the Atlantic Ocean 140 nautical miles (260 km) west by north of the Fastnet Rock (50°50′N 13°00′W) by SM U-58 ( Imperial German Navy). Her crew survived.[29]
Camerata	United Kingdom	World War I: The cargo ship was torpedoed and damaged in the Mediterranean Sea off Djidjelli, Algeria by SM UC-37 ( Imperial German Navy). She was beached but was later refloated.[30]
Cancalais	France	World War I: The three-masted schooner was torpedoed and sunk in the Bay of Biscay 12 nautical miles (22 km) north west of the Île d'Yeu, Vendée (46°55′N 2°23′W) by SM UC-72 ( Imperial German Navy). Her crew survived.[31]
Certo	Norway	World War I: The cargo ship struck a mine and sank in the English Channel off Le Havre, Seine-Inférieure, France. Her crew survived.[32]
Derrymore	United Kingdom	World War I: The coaster was scuttled in the Irish Sea off Ballyhalbert by SM UC-65 ( Imperial German Navy). Some of her crew survived.[5][33]
HMS Derwent	Royal Navy	World War I: The River-class destroyer struck a mine and sank in the English Channel off Le Havre (49°31′N 0°02′W) with the loss of 58 of her 70 crew.
Dione	Norway	World War I: The sailing vessel was sunk in the Atlantic Ocean south west of Ireland (50°39′N 11°45′W) by SM U-58 ( Imperial German Navy). Her crew survived.[34]
Earnest	United Kingdom	World War I: The schooner was scuttled in the Irish Sea 6 nautical miles (11 km) south east by south of the Skulmartin Lightship ( United Kingdom) by SM UC-65 ( Imperial German Navy). Her crew survived.[35]
Gena	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the North Sea off Aldeburgh, Suffolk by an Imperial German Air Corps aircraft. Her crew survived.[36]
Juno	United Kingdom	World War I: The cargo ship was sunk in the English Channel 17 nautical miles (31 km) east of the Barfleur Lighthouse, Manche, France (49°48′N 0°51′W) by SM UB-18 ( Imperial German Navy) with the loss of a crew member.[37]
Keryado	French Navy	World War I: The naval trawler was torpedoed and sunk in the Bay of Biscay 12 nautical miles (22 km) north west of the Île d'Yeu (46°46′N 2°41′W) by SM UC-72 ( Imperial German Navy) with the loss of sixteen of her crew.[38]
Morion	United Kingdom	World War I: The coaster was scuttled in the Irish Sea 4 nautical miles (7.4 km) south east of the Skulmartin Lightship ( United Kingdom) by SM UC-65 ( Imperial German Navy). Her crew survived.[39]
Natuna	Norway	World War I: The barque was sunk in the Atlantic Ocean 70 nautical miles (130 km) west of the Shetland Islands, United Kingdom (59°50′N 3°10′W) by SM U-44 ( Imperial German Navy). Her crew survived.[40]
Nordzee	Netherlands	World War I: The koff was scuttled in the North Sea off the Noord Hinder Lightship ( Netherlands) by SM UC-62 ( Imperial German Navy). Her crew survived.[41]
Rikard Noordrak	Norway	World War I: The cargo ship was sunk in the North Sea 9 nautical miles (17 km) south of Whitby, Yorkshire (54°23′N 0°22′W) by SM UB-21 ( Imperial German Navy) with the loss of two of her crew.[42]
Russie	France	World War I: The schooner was scuttled in the Bay of Biscay 12 nautical miles (22 km) north west of the Île d'Yeu (46°46′N 2°41′W) by SM UC-72 ( Imperial German Navy). Her crew survived.[43]
Saint Mungo	United Kingdom	World War I: The coaster was scuttled in the Irish Sea 2 nautical miles (3.7 km) north north east of the South Rock Lightship ( United Kingdom) by SM UC-65 ( Imperial German Navy).[5][44]
Taizan Maru	Japan	World War I: The cargo ship was sunk in the Irish Sea 11 nautical miles (20 km) west of the Mull of Galloway (54°28′N 5°20′W) by SM UC-65 ( Imperial German Navy). Her crew survived.[45]
Tela	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the English Channel 16 nautical miles (30 km) north east of Cape Barfleur, Manche (49°50′N 0°50′W) by SM UB-18 ( Imperial German Navy). Her crew survived.[5][46]
Troilus	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 140 nautical miles (260 km) west north west of Malin Head, County Donegal (53°22′N 15°52′W) by SM U-69 ( Imperial German Navy). Her crew survived.[5][47]
United	United Kingdom	World War I: The fishing smack was scuttled in the Atlantic Ocean 5 nautical miles (9.3 km) off the Godrevy Lighthouse, Cornwall (50°13′N 5°53′W) by SM UC-48 ( Imperial German Navy). Her crew survived.[48]
Vanduara	Norway	World War I: The barque was shelled and sunk in the Atlantic Ocean south west of Ireland (50°24′N 14°59′W) by SM U-58 ( Imperial German Navy). Her crew survived.[49]
Victoire	France	World War I: The schooner was scuttled in the Bay of Biscay (46°46′N 2°41′W) by SM UC-72 ( Imperial German Navy). Her crew survived.[50]
Warnow	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 6 nautical miles (11 km) west of Trevose Head, Cornwall (50°30′N 5°10′W) by SM UC-48 ( Imperial German Navy) with the loss of fourteen of her crew.[51]
Westland	Netherlands	World War I: The fishing vessel was scuttled in the North Sea off the Terschelling Lightship ( Netherlands) (53°47′N 4°21′E) by SM UC-71 ( Imperial German Navy). Her crew survived.[52]
Yvonne	France	World War I: The sailing vessel was sunk in the Bay of Biscay 12 nautical miles (22 km) north west of the Île d'Yeu (46°46′N 2°41′W) by SM UC-72 ( Imperial German Navy). Her crew survived.[53]

3 May

List of shipwrecks: 3 May 1917

Ship	State	Description
Antonio Sciesa	Italy	World War I: The cargo ship was sunk in the Ionian Sea 24 nautical miles (44 km) south south east of Sapientza, Greece (36°39′N 21°15′E) by SM U-14 ( Austro-Hungarian Navy). Her crew survived.[54]
Carberry King	United Kingdom	World War I: The drifter was scuttled in the English Channel 14 nautical miles (26 km) south of The Lizard, Cornwall (49°44′N 5°07′W) by SM UC-75 ( Imperial German Navy). Her crew survived.[55][56]
Clodmoor	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the English Channel 5 nautical miles (9.3 km) south west of Newhaven, Sussex (50°43′N 0°01′W) by SM UB-40 ( Imperial German Navy). Her crew survived.[5][57]
Eleanor	United Kingdom	World War I: The fishing vessel was scuttled in the English Channel (49°45′N 5°07′W) by SM UC-75 ( Imperial German Navy).[58]
Fastnet	United Kingdom	World War I: The fishing vessel was scuttled in the English Channel (49°45′N 5°07′W) by SM UC-75 ( Imperial German Navy).[56][59]
Fils du Progres	France	World War I: The trawler was sunk in the Atlantic Ocean 3 nautical miles (5.6 km) south west of the Île de Sein, Finistère by SM UC-61 ( Imperial German Navy). Her crew survived.[60]
Frederick Knight	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 115 nautical miles (213 km) north west by west of the Fastnet Rock (51°43′N 12°21′W) by SM U-62 ( Imperial German Navy). Her crew survived.[5][61]
Giovannina	Italy	World War I: The cargo ship was sunk in the Bay of Biscay 10 nautical miles (19 km) south west of Belle Île, Morbihan, France by SM UC-61 ( Imperial German Navy).[62]
Glen Tanar	United Kingdom	World War I: The coaster struck a mine and sank in the North Sea 1 nautical mile (1.9 km) north east of Girdle Ness, Aberdeenshire (57°10′N 2°02′W). Her crew survived.[63]
Helge	Denmark	World War I: The schooner was scuttled in the North Sea (56°28′N 3°43′E) by SM UC-49 ( Imperial German Navy). Her crew survived.[64]
Hibernia	United Kingdom	World War I: The fishing vessel was sunk in the Atlantic Ocean 14 nautical miles (26 km) south east of Baltimore, County Cork by SM UC-75 ( Imperial German Navy).[65]
Lindisfarne	Russia	World War I: The full-rigged ship was scuttled in the Atlantic Ocean south west of Ireland (49°20′N 14°00′W) by SM U-21 ( Imperial German Navy).[66]
Lucky Lass	United Kingdom	The fishing vessel was scuttled in the English Channel (49°34′N 5°07′W) by SM UC-75 ( Imperial German Navy).[67]
Maria	Greece	World War I: The cargo ship was sunk in the Bay of Biscay by SM UC-69 ( Imperial German Navy). Her crew survived.[68]
Mezly	France	World War I: The barque was shelled and sunk in the Atlantic Ocean (50°15′N 15°36′W) by SM UC-73 ( Imperial German Navy). Her crew survived.[69]
Misurata	Italy	World War I: The cargo ship was shelled and sunk in the Atlantic Ocean 50°10′N 17°15′W) by SM UC-73 ( Imperial German Navy). Her crew survived.[70]
North Star	United Kingdom	World War I: The fishing vessel was scuttled in the English Channel (49°45′N 5°05′W) by SM UC-75 ( Imperial German Navy).[71]
Polstad	Norway	World War I: The cargo ship was sunk in the Atlantic Ocean off Cape Ortegal, Spain (43°43′N 7°06′W) by SM UC-69 ( Imperial German Navy). Her crew survived.[72]
Sir Edward Birkbeck	United Kingdom	World War I: The fishing vessel was scuttled in the English Channel by SM UC-75 ( Imperial German Navy). Her crew survived.[73]
Truvor	Russia	World War I: The cargo ship was torpedoed and sunk in the Barents Sea off Mys Zyp-Navolok (70°08′N 33°07′E) by SM U-45 ( Imperial German Navy). Her crew survived.[74]
Ussa	United Kingdom	World War I: The cargo ship struck a mine and sank in the English Channel 2.5 nautical miles (4.6 km) off Cherbourg, Seine-Inférieure, France by SM UC-26 ( Imperial German Navy). Her crew survived.[75]
Washington	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Gulf of Genoa 1.5 nautical miles (2.8 km) off Camogli, Liguria, Italy (44°14′N 9°07′E) by SM U-63 ( Imperial German Navy). Her crew survived.[5][76]

4 May

List of shipwrecks: 4 May 1917

Ship	State	Description
Aghios Nikolaos	Greece	World War I: The cargo ship was sunk in the English Channel 16 nautical miles (30 km) south east of Barfleur, Manche, France (49°43′N 0°54′W) by SM UB-38 ( Imperial German Navy). Her crew survived.[77]
Assos	Greece	World War I: The cargo ship was captured and scuttled in the English Channel 16 nautical miles (30 km) south east of Barfleur 49°43′N 0°54′W by SM UB-38 ( Imperial German Navy).[78]
Caméléon	French Navy	World War I: The naval whaler struck a mine and sank in the Gulf of Patras off Cape Pappas, Greece with the loss of a crew member.[79]
Doctor Brooks	United States	The barge went ashore on Santa Rosa Island, Florida in a storm. Later refloated.[19]
Francesco C.	Italy	World War I: the barque was scuttled in the Mediterranean Sea west of Sardinia (40°18′N 8°08′E) by SM U-34 ( Imperial German Navy).[80]
Herrington	United Kingdom	World War I: The collier struck a mine and sank in the North Sea 0.75 nautical miles (1.39 km) east south east of Red Head, Forfarshire (56°37′N 2°27′W). Her crew survived.[11][81]
Ilva	Italy	World War I: The cargo ship was captured and scuttled in the Bay of Biscay 5 nautical miles (9.3 km) off Coelleira Island, Galicia, Spain by SM UC-69 ( Imperial German Navy). Her crew survived.[82]
Ioannis p. Goulandris	Greece	World War I: The cargo ship was sunk in the Bay of Biscay 23 nautical miles (43 km) east of the Punta de Estaca de Bares by SM UC-69 ( Imperial German Navy). Her crew survived.[83]
Jørgen Olsen	Denmark	World War I: The three-masted schooner was shelled and damaged in the Atlantic Ocean 30 nautical miles (56 km) west of Ireland by SM U-62 ( Imperial German Navy). Her crew survived but she was declared a constructive total loss.[84][85]
Joseph	United Kingdom	World War I: The brigantine was scuttled in the English Channel 20 nautical miles (37 km) north of Caen, Calvados, France (49°39′N 0°38′W) by SM UB-38 ( Imperial German Navy). Her crew survived.[86]
Locust	United States	The lighter sank near McQuestents Wharf, East Boston, Massachusetts.[87]
HMT Lord Salisbury	Royal Navy	The naval trawler was lost on this date.[11]
Marie	Denmark	World War I: The coaster was torpedoed and sunk in the North Sea off Aberdeen, United Kingdom (58°30′N 1°04′W) by SM UC-51 ( Imperial German Navy) with the loss of two of her crew.[88]
Marie	France	World War I: The sailing vessel was sunk in the Atlantic Ocean south of Ireland by SM UC-75 ( Imperial German Navy).[89]
Mamelena IX	Spain	World War I: The trawler was scuttled in the Bay of Biscay south west of the Contis Lighthouse, Landes, France by SM UC-72 ( Imperial German Navy)[90]
Mamelena XII	Spain	World War I: The trawler was scuttled in the Bay of Biscay south west of the Contis Lighthouse by SM UC-72 ( Imperial German Navy).[91]
Marne	French Navy	World War I: The naval trawler was shelled and sunk in the Bay of Biscay south west of the Contis Lighthouse by SM UC-72 ( Imperial German Navy). Her crew survived.[92]
Neptunus	Netherlands	World War I: The coaster was scuttled in the North Sea 10 nautical miles (19 km) north of the North Hinder Lightship ( Netherlands) by SM UC-62 ( Imperial German Navy).[93]
New Design No.2	United Kingdom	World War I: The schooner was scuttled in the Irish Sea 25 nautical miles (46 km) north by west of the South Bishop Lighthouse by SM UC-65 ( Imperial German Navy). Her crew survived.[94]
Pilar de Larrinaga	United Kingdom	World War I: The cargo ship was torpedeoed and sunk in the Atlantic Ocean 2 nautical miles (3.7 km) south east by south of the Tuskar Rock, Ireland (52°10′N 6°08′W) by SM UC-65 ( Imperial German Navy) with the loss of twenty of her crew.[5][95]
Sophie	Denmark	World War I: The sailing vessel was sunk in the North Sea by SM UC-42 ( Imperial German Navy).[96]
Strumble	United Kingdom	World War I: The fishing smack was scuttled in the Irish Sea 10 nautical miles (19 km) north north east of Strumble Head, Pembrokeshire by SM UC-65 ( Imperial German Navy). Her crew survived.[56][97]
Transylvania	United Kingdom	World War I: The troopship was torpedoed and sunk in the Gulf of Genoa 2.5 nautical miles (4.6 km) off Cape Vado, Liguria, Italy (44°15′N 8°30′E) by SM U-63 ( Imperial German Navy) with the loss of 402 lives.
Tromp	Norway	World War I: The cargo ship was sunk in the Atlantic Ocean 2 nautical miles (3.7 km) off Rencardeida Point, Spain (43°46′N 7°34′W) by SM UC-69 ( Imperial German Navy). Her crew survived.[98]
Vale	Norway	World War I: The coaster was torpedoed and sunk in the North Sea 68 nautical miles (126 km) east by north of the Isle of May, Fife, United Kingdom (56°02′N 1°00′W) by SM UC-77 ( Imperial German Navy) with the loss of three of her crew.[99]
Verdun	France	World War I: The fishing vessel was shelled and sunk in the Bay of Biscay south west of the Contis Lighthouse by SM UC-72 ( Imperial German Navy). Her crew survived.[100]
Victorious	United Kingdom	World War I: The fishing vessel was scuttled in the Irish Sea 10 nautical miles (19 km) north north east of Strumble Head by SM UC-65 ( Imperial German Navy). Her crew survived.[101]

5 May

List of shipwrecks: 5 May 1917

Ship	State	Description
Angela	United Kingdom	World War I: The schooner struck a mine and sank in the North Sea 3 nautical miles (5.6 km) off the mouth of the River Tyne (54°59′N 1°19′W) with the loss of five of her crew.[102]
Asra	Norway	World War I: The full-rigged ship was shelled and sunk in the Atlantic Ocean 140 nautical miles (260 km) west north west of Tory Island, County Donegal, United Kingdom (55°40′N 12°10′W) by SM U-58 ( Imperial German Navy). Her crew survived.[103]
Dina di Lozenzo	Italy	World War I: The sailing vessel was sunk in the Mediterranean Sea north of Bizerte, Algeria by SM UC-37 ( Imperial German Navy).[104]
Edith Cavell	United Kingdom	The trawler was scuttled in the North Sea off Robin Hood's Bay, Yorkshire by SM UB-21 ( Imperial German Navy).[56][105]
Feltria	United Kingdom	World War I: The passenger ship was torpedoed and sunk in the Atlantic Ocean 8 nautical miles (15 km) south east of Mine Head, County Cork (51°56′N 7°24′W) by SM UC-48 ( Imperial German Navy) with the loss of 45 lives.[5][106]
Greta	United Kingdom	World War I: The coaster was shelled and sunk in the Atlantic Ocean 11 nautical miles (20 km) south east of Mine Head, County Cork by SM UC-48 ( Imperial German Navy). Her crew survived.[5][107]
Harmattan	United Kingdom	World War I: The cargo ship struck a mine and sank in the Mediterranean Sea 30 nautical miles (56 km) off Cape Bon, Algeria with the loss of 36 of her crew.[108]
HMS Lavender	Royal Navy	World War I: The Acacia-class sloop was sunk in the English Channel south of Mine Head, Cornwall by SM UC-75 ( Imperial German Navy) with the loss of 22 of her 77 crew.[109]
Lodes	United Kingdom	World War I: The coaster struck a mine and sank in the Irish Sea 4 nautical miles (7.4 km) south east of Ballycotton, County Cork with the loss of seven of her crew.[110]
Morzh	Imperial Russian Navy	World War I: The Morzh-class submarine was sunk by mine off the coast of Turkey. The wreck discovery in 2002 confirmed the cause of loss.[111]
Nydal	Norway	World War I: The cargo ship was sunk in the Bay of Biscay 25 nautical miles (46 km) west south west of the La Coubre Lighthouse, Charente-Maritime, France by SM UC-72 ( Imperial German Navy). Her crew survived.[112]
Odense	Denmark	World War I: The cargo ship was damaged in the North Sea 1.5 nautical miles (2.8 km) east north east of St Abb's Head, Berwickshire, United Kingdom (55°56′N 2°12′W) by SM UC-77 ( Imperial German Navy) and was abandoned with the loss of two of her crew. Odense came ashore north of St Abb's Head and was declared a total loss. She sank on 2 August.[113]
Segovia	Norway	World War I: The cargo ship was sunk in the North Sea 26 nautical miles (48 km) south south east of Auskerry, Orkney Islands, United Kingdom (58°38′N 2°00′W) by SM UC-51 ( Imperial German Navy). Her crew survived.[114]
Simon	Netherlands	World War I: The fishing vessel was shelled and sunk in the North Sea off the Terschelling Lightship ( Netherlands) (53°31′N 3°40′E) by SM UC-71 ( Imperial German Navy) with the loss of all eleven crew.[115]
Snig	Norway	World War I: The barque was sunk in the Atlantic Ocean 200 nautical miles (370 km) west of Tory Island (54°08′N 13°36′W) by SM U-49 ( Imperial German Navy). Her crew survived.[116]

6 May

List of shipwrecks: 6 May 1917

Ship	State	Description
Adansi	United Kingdom	World War I: The Elder Dempster 2,644 GRT cargo ship was torpedoed and sunk in the Atlantic Ocean 80 nautical miles (150 km) west of the Fastnet Rock (50°40′N 11°05′W) by SM U-21 ( Imperial German Navy) while en route from Sierra Leone to Liverpool. Her crew survived.[5][117]
Annie H. Smith	United States	The schooner barge sank 25 miles (40 km) south west of the Fire Island Lightship, a total loss. The crew left in her lifeboat and were rescued by a steamer.[19][118]
SMS Felix	Imperial German Navy	The Vorpostenboot was lost on this date.
Francesco	Italy	World War I: The cargo ship was sunk in the Bay of Biscay off the La Coubre Lighthouse, Charente-Maritime, France by SM UC-72 ( Imperial German Navy). Her crew survived.[119]
Gurth	Norway	World War I: The cargo ship was scuttled in the Bay of Biscay 1.5 nautical miles (2.8 km) off Vaca de Luanco, Spain (43°39′N 5°48′W) by SM UC-69 ( Imperial German Navy). Her crew survived.[120]
Harold	Sweden	World War I: The cargo ship was shelled and sunk in the North Sea[121] 76 nautical miles (141 km) north east by north of the mouth of the River Tyne by SM UB-21 ( Imperial German Navy) with the loss of five crew.[122]
Hebble	United Kingdom	World War I: The coaster struck a mine and sank in the North Sea 1.5 nautical miles (2.8 km) east of Roker, County Durham (54°55′N 1°18′E) with the loss of five of her crew.[123]
Kaparika	Norway	World War I: cargo ship was torpedoed and sunk in the North Sea 30 nautical miles (56 km) east of Aberdeen, United Kingdom by SM UC-77 ( Imperial German Navy) with the loss of a crew member.[124]
Poseidon I	Netherlands	World War I: The fishing vessel was shelled and sunk in the North Sea 9 nautical miles (17 km) north of the Dogger Bank North Lightship ( United Kingdom) by SM UC-30 ( Imperial German Navy). Her crew survived.[125]
President	France	World War I: The barque was shelled and sunk in the Atlantic Ocean 12 nautical miles (22 km) west of Trevose Head, Cornwall, United Kingdom (50°31′N 5°21′W) by SM UC-75 ( Imperial German Navy). Her crew survived.[126]
Voss	Norway	World War I: The cargo ship was sunk in the Bay of Biscay 1.5 nautical miles (2.8 km) off Vaca de Luanco (43°39′N 5°47′W) by SM UC-69 ( Imperial German Navy). Her crew survived.[127]

7 May

List of shipwrecks: 7 May 1917

Ship	State	Description
Crown of Leon	United Kingdom	World War I: The cargo ship was torpedoed and damaged in the Gulf of Genoa (44°08′N 8°14′E) by SM U-63 ( Imperial German Navy) with the loss of a crew member. She was beached but was torpedoed again on 16 May by SM U-32 ( Imperial German Navy).[128]
H. H. Petersen	Denmark	World War I: The barquentine was sunk in the Atlantic Ocean 20 to 25 nautical miles (37 to 46 km) west of St. Kilda, Inverness-shire, United Kingdom (57°30′N 9°00′W) by SM U-80 ( Imperial German Navy). Her crew survived.[129]
Kinross	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 10 nautical miles (19 km) east of the Wolf Rock, Cornwall (49°49′N 5°33′W) by SM UC-48 ( Imperial German Navy). Her crew survived.[130]
Leikanger	Norway	World War I: The cargo ship was sunk in the Atlantic Ocean 5 nautical miles (9.3 km) west north west of the Machico Lighthouse, Madeira, Portugal by SM UC-69 ( Imperial German Navy). Her crew survived.[131]
Lowmount	United Kingdom	World War I: The cargo ship struck a mine and sank in the English Channel 4 nautical miles (7.4 km) off the Nab Lightship ( United Kingdom) with the loss of five of her crew.[132]
Martha Maria	Netherlands	World War I: The trawler was sunk in the North Sea (52°50′N 4°08′E) by SM UB-20 ( Imperial German Navy). Her crew survived.[133]
Maude	United Kingdom	World War I: The schooner was scuttled in the Irish Sea 8 nautical miles (15 km) south west of Bardsey Island, Pembrokeshire by SM UC-65 ( Imperial German Navy). Her crew survived.[134]
Polamhall	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 80 nautical miles (150 km) west south west of the Bishop Rock, Isles of Scilly (49°02′N 8°04′W) by SM U-62 ( Imperial German Navy). Her crew survived.[5][135]
Prins Hendrik de Nederlande	Netherlands	World War I: The trawler was sunk in the North Sea (52°50′N 4°10′E) by SM UB-20 ( Imperial German Navy). Her crew survived.[136]
Repton	United Kingdom	World War I: The collier was torpedoed and sunk in the Mediterranean Sea 45 nautical miles (83 km) south south east of Cape Matapan, Greece (35°42′N 22°57′E) by SM UB-43 ( Imperial German Navy) with the loss of three of her crew.[5][137][138]
Sophie	Denmark	World War I: The schooner was sunk in the Atlantic Ocean 30 nautical miles (56 km) east south oeast of St. Kilda (57°40′N 9°05′W) by SM U-80 ( Imperial German Navy). Her crew survived.[139]
Tiger	Norway	World War I: The cargo ship was sunk in the Atlantic Ocean 3 nautical miles (5.6 km) west north west of Cabo Machico, Madeira (43°27′N 2°50′W) by SM UC-69 ( Imperial German Navy). Her crew survived.[140]
Tore Jarl	Norway	World War I: The cargo ship was sunk in the North Sea 95 nautical miles (176 km) south of Sumburgh Head, Shetland Islands, United Kingdom by SM UC-49 ( Imperial German Navy) with the loss of a crew member.[141]
SM UB-39	Imperial German Navy	World War I: The Type UB II submarine struck a mine and sank in the North Sea (51°20′N 2°09′E) with the loss of all 24 crew.[142]
HMY Zarefah	Royal Navy	World War I: The naval yacht struck a mine and sank in the North Sea 1 nautical mile (1.9 km) north east of Mull Head, Mainland, Orkney Islands with the loss of sixteen of her crew.[143]

8 May

List of shipwrecks: 8 May 1917

Ship	State	Description
Iris	United Kingdom	World War I: The ketch was sunk in the English Channel off Cherbourg, Seine-Inférieure, France, probably by SM UC-26 ( Imperial German Navy), with the loss of four of her crew.[144]
Jos. F. Clinton or Joseph F. Clinton	United States	The schooner barge sank 12 miles (19 km) east south east of Hog Island or Chincoteague, Virginia, a total loss.[19][145]
Killarney	United Kingdom	World War I: The barque was shelled and sunk in the Atlantic Ocean 200 nautical miles (370 km) west of the Fastnet Rock (50°55′N 14°44′W) by SM U-21 ( Imperial German Navy). Her crew survived.[5][146]
Nelly	France	World War I: The cargo ship was sunk in the Bay of Biscay 44 nautical miles (81 km) south south west of Penmarc'h, Finistère (47°18′N 4°55′W by SM UC-61 ( Imperial German Navy) with the loss of a crew member.[147]
Petunia	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 45 nautical miles (83 km) west of the Bishop Rock, Isles of Scilly by SM U-49 ( Imperial German Navy) with the loss of two crew. Three survivors were taken as prisoners of war.[5][148]
SM UC-26	Imperial German Navy	World War I: The Type UC II submarine was rammed and sunk in the English Channel off Calais, Pas-de-Calais, France (51°03′N 1°40′E) by HMS Milne ( Royal Navy) with the loss of all 26 crew.

9 May

List of shipwrecks: 9 May 1917

Ship	State	Description
Dio ti Guardi	Italy	World War I: The fishing vessel was sunk in the Mediterranean Sea off Cape Rosello, Sicily by SM UC-35 ( Imperial German Navy).[149]
Hans Broge	Denmark	World War I: The cargo ship was sunk in the Atlantic Ocean 30 nautical miles (56 km) west of Teelin Head, County Donegal, United Kingdom (54°38′N 9°30′W) by SM U-80 ( Imperial German Navy). Her crew survived.[150]
Harpagus	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 62 nautical miles (115 km) south west of the Île du Planier, Bouches-du-Rhône, France (42°32′N 4°39′E) by SM U-34 ( Imperial German Navy) with the loss of three crew. Two crew were taken as prisoners of war.[151]
Kitty	United Kingdom	World War I: The fishing vessel was scuttled in the North Sea 30 nautical miles (56 km) east south east of St Abb's Head, Berwickshire (56°11′N 1°45′W) by SM UC-42 ( Imperial German Navy). Her crew survived, but two of them were taken as prisoners of war.[56][152]
L'Oriente	Italy	World War I: The fishing vessel was scuttled in the Mediterranean Sea off Cape Rosello by SM UC-35 ( Imperial German Navy).[153]
Marchiena	Netherlands	World War I: The schooner was shelled and sunk in the English Channel off Beachy Head, Sussex, United Kingdom by SM UC-17 ( Imperial German Navy). Her crew took to the lifeboats but were not rescued.[154]
Mettlerkamp	Imperial German Navy	World War I: The Augustenburg-class Vorpostenboot was sunk by mines north of Borkum.
No. 1	Imperial Russian Navy	World War I: The No. 1-class submarine was lost in the Barents Sea.
Peppino Aiello	Italy	World War I: The sailing vessel was sunk in the Mediterranean Sea off Cape Rosello by SM UC-35 ( Imperial German Navy).[155]
San Pietro	Italy	World War I: The fishing vessel was sunk in the Mediterranean Sea off Cape Rosello by SM UC-35 ( Imperial German Navy).[156]
Windward Ho!	United Kingdom	World War I: The trawler struck a mine and sank in the North Sea 3 nautical miles (5.6 km) south of Peterhead, Aberdeenshire (57°28′N 1°42′W) with the loss of eight of her crew.[157]

10 May

List of shipwrecks: 10 May 1917

Ship	State	Description
Berangère	France	World War I: The full-rigged ship was shelled and sunk in the Atlantic Ocean south west of Ireland (50°06′N 11°30′W) by SM U-62 ( Imperial German Navy). All 22 crew survived.[158]
Broomhill	United Kingdom	World War I: The collier was scuttled in the English Channel 9 nautical miles (17 km) south west of Portland Bill, Dorset (50°25′N 2°32′W) by SM UC-61 ( Imperial German Navy) with the loss of two of her crew.[5][11][159]
Carmen	Spain	World War I: The three-masted schooner was scuttled in the Mediterranean Sea 12 nautical miles (22 km) south of Barcelona by SM U-34 ( Imperial German Navy).[160]
Dolcoath	United Kingdom	World War I: The cargo ship struck a mine and sank in the North Sea 3.25 nautical miles (6.02 km) north east of North Foreland, Kent (51°26′N 1°28′E) with the loss of a crew member.[161]
Gazelle	Norway	World War I: The sailing ship was scuttled in the Atlantic Ocean 80 nautical miles (150 km) south west of the Fastnet Rock (49°45′N 10°50′W) by SM U-62 ( Imperial German Navy). Her crew survived.[162]
Gruno	Netherlands	World War I: The auxiliary sailing vessel was sunk in the North Sea 8 nautical miles (15 km) south south west of the Noord Hinder Lightship ( Netherlands) by SM UC-63 ( Imperial German Navy).[163]
James Hogan	United States	The tow steamer, towing the barge Kingston (flag unknown), capsized and sank in heavy seas near the Southwest Ledge Light, off the mouth of the harbor at New Haven, Connecticut in six fathoms (36 ft; 11 m) of water. Two of her crew were rescued by the lighthouse keeper. Her captain and chief engineer died. The vessel was scheduled to be raised.[164][165][166]
Leone Decimo Terzo	Italy	The sailing vessel was sunk in the Mediterranean Sea off Marettimo by SM UC-35 ( Imperial German Navy).[167]
HMT Lord Ridley	Royal Navy	World War I: The naval trawler struck a mine and sank in the North Sea off Whitby, Yorkshire (54°31′N 0°37′W) with the loss of ten of her crew.[168]
Minerva	Norway	World War I: The coaster was sunk in the English Channel 15 nautical miles (28 km) west of Portland Bill by SM UC-61 ( Imperial German Navy). Her crew survived.[169]
Sebastian	United Kingdom	The tanker caught fire in the Atlantic Ocean. She was taken in tow by a United States Navy gunboat but subsequently sank.[137][170]
Veni	Norway	World War I: The coaster was sunk in the English Channel 15 nautical miles (28 km) west of Portland Bill (50°32′N 2°47′W) by SM UC-17 ( Imperial German Navy). Her crew survived.[171]

11 May

List of shipwrecks: 11 May 1917

Ship	State	Description
Anna Alwina	Russia	World War I: The brigantine was sunk in the Atlantic Ocean south west of Ireland by SM U-80 ( Imperial German Navy).[172]
August Brohan	Imperial German Navy	World War I: The Augustenburg-class Vorpostenboot was sunk by mines northwest of Romo, Denmark.
Barrister	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 7 nautical miles (13 km) south of Mine Head, County Waterford by SM U-49 ( Imperial German Navy). Her crew survived.[5][173]
HMT Bracklyn	Royal Navy	World War I: The naval trawler struck a mine and sank in the North Sea off Great Yarmouth, Norfolk (52°42′N 2°10′E) with the loss of ten of her crew.[174]
Calchas	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 3 nautical miles (5.6 km) west by south of Tearaght Island, County Donegal (52°00′N 10°40′W) by SM U-80 ( Imperial German Navy). Her crew survived.[175]
Conger Coal	Canada	The steamer burned to the waterline and sank in Little Sodus Bay near Fair Haven, New York on Lake Ontario when Lloyd S. Porter ( Canada) which was tied up alongside caught fire. Her machinery was salvaged. The wreck removed in late 1956 by the United States Army Corps of Engineers as a hazard to navigation.[176]
Hermes	Russia	World War I: The cargo ship was shelled and sunk in the Barents Sea off Vardø, Finnmark, Norway (71°16′N 33°45′E) by SM U-45 ( Imperial German Navy) with the loss of all 34 crew.[177]
Hindoo	United Kingdom	World War I: The cargo ship was torpedoed and damaged in the Mediterranean Sea between Algiers and Ténès, Algeria (36°37′N 1°55′E) by SM U-47 ( Imperial German Navy) and was beached. She was later refloated.[178]
Italia	Italy	The cargo ship ran aground and sank on the Wingletang Rock, Isles of Scilly, United Kingdom.[179][180]
Lady Charlotte	United Kingdom	The collier ran aground and sank at Porth Hellick Point, Isles of Scilly. Her crew survived.[11][180]
Lefkosia	Greece	World War I: The cargo ship was scuttled in the Mediterranean Sea off Cape Tortosa, Spain (40°49′N 1°00′E) by SM U-34 ( Imperial German Navy). Her crew survived.[181]
Limassol	United Kingdom	World War I: The sailing vessel was scuttled in the Tyrrhenian Sea off Montecristo, Italy, by SM UC-35 ( Imperial German Navy).[5][182]
Lloyd S. Porter	Canada	The steamer burned to the waterline and sank in Little Sodus Bay near Fair Haven, New York on Lake Ontario. Also burned was Lloyd S. Porter ( Canada) that was tied up alongside, along with 125 feet (38 m) of trestle belonging to the Lehigh Valley Railroad. Her machinery was salvaged. The wreck was removed in late 1956 by the United States Army Corps of Engineers as a hazard to navigation.[176]
Luisa Madre	Italy	World War I: The sailing vessel was sunk in the Tyrrhenian Sea off Cape Figari, Sardinia by SM UC-35 ( Imperial German Navy).[183]
Carolina	Italy	World War I: The sailing vessel was sunk in the Tyrrhenian Sea off Cape Figari by SM UC-35 ( Imperial German Navy).[184]
Medjerda	France	World War I: The troopship was torpedoed and sunk in the Mediterranean Sea 6 nautical miles (11 km) off Cape Tortosa (40°45′N 1°12′E) by SM U-34 ( Imperial German Navy) with the loss of 344 lives.[185]
Rosalia Madre	Italy	World War I: The sailing vessel was sunk in the Tyrrhenian Sea off Cape Figari by SM UC-35 ( Imperial German Navy).[186]
Sant’ Antonio	Italy	World War I: The sailing vessel was sunk in the Tyrrhenian Sea off Cape Figari by SM UC-35 ( Imperial German Navy).[187]
Tarpeia	United Kingdom	World War I: The coaster was scuttled in the English Channel 9 nautical miles (17 km) north of Port-en-Bessin, Manche, France (49°30′N 0°49′W) by SM UB-18 ( Imperial German Navy). Her crew survived.[5][188]

12 May

List of shipwrecks: 12 May 1917

Ship	State	Description
Egyptian Prince	United Kingdom	World War I: The cargo ship was scuttled in the Mediterranean Sea 240 nautical miles (440 km) south south east of Malta (34°20′N 18°52′E) by SM U-38 ( Imperial German Navy). Her crew survived.[5][189]
Galicia	United Kingdom	World War I: The cargo ship struck a mine and sank in the English Channel 3 nautical miles (5.6 km) east of Teignmouth, Devon (50°32′N 3°24′W). Her crew survived.[190]
G.L.C.	United Kingdom	World War I: The fishing smack was scuttled in the Atlantic Ocean south east of the Eddystone Lighthouse by SM UC-17 ( Imperial German Navy). Her crew survived.[56][191]
Locksley Hall	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 30 nautical miles (56 km) south east by south of Malta 35°23′N 14°56′E) by SM U-32 ( Imperial German Navy) with the loss of six crew.[192]
Refugio	United Kingdom	World War I: The cargo ship was shelled and sunk in the Atlantic Ocean 115 nautical miles (213 km) north west of Tory Island, County Donegal (55°10′N 11°35′W) by SM U-57 ( Imperial German Navy) with the loss of a crew member.[5][193]
San Onofre	United Kingdom	World War I: The tanker was torpedoed and sunk in the Atlantic Ocean 64 nautical miles (119 km) north west of the Skelligs (52°25′N 11°42′W) by SM U-48 ( Imperial German Navy) with the loss of a crew member.[5][194]
Waterville	United Kingdom	World War I: The cargo ship struck a mine and was damaged in the North Sea. She was beached but was later refloated. Her crew survived.[195]
Wirral	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Norwegian Sea 23 nautical miles (43 km) north west of Utvær, Sogn og Fjordane, Norway by SM U-19 ( Imperial German Navy) with the loss of a crew member.[196]
Zanoni	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 12 nautical miles (22 km) north east by east of Cape Oropesa, Spain (40°10′N 0°25′E) by SM U-34 ( Imperial German Navy) with the loss of a crew member.[5][197]

13 May

List of shipwrecks: 13 May 1917

Ship	State	Description
A. G. Pease	United States	The Schooner sank in the Connecticut River at Saybrook Point, Connecticut.[87]
Anna	Denmark	World War I: The three-masted barque was sunk in the English Channel 30 nautical miles (56 km) north east of the Île de Batz, Finistère, France (49°12′N 4°26′W) by SM UC-17 ( Imperial German Navy). Her crew survived.[84][198]
Hudson	Norway	World War I: The barque was sunk in the Atlantic Ocean 30 nautical miles (56 km) north north west of Ouessant, Finistère (48°48′N 7°56′W) by SM UC-17 ( Imperial German Navy). Her crew survived.[199]
Jessmore	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 180 nautical miles (330 km) west north west of the Fastnet Rock by SM U-48 ( Imperial German Navy). Her crew survived.[5][200]
L'Independiente F	Italy	World War I: The sailing vessel was scuttled in the Mediterranean Sea south of the Cabo de Gata, Spain (36°31′N 2°02′W) by SM U-47 ( Imperial German Navy).[201]
Rio Amazonas	Italy	World War I: The cargo ship was sunk in the Mediterranean Sea 150 nautical miles (280 km) south west of Crete, Greece (33°40′N 20°46′E) by SM U-38 ( Imperial German Navy). Her crew survived.[202]

14 May

List of shipwrecks: 14 May 1917

Ship	State	Description
Bel Lily	United Kingdom	World War I: The trawler struck a mine and sank in the North Sea 1.5 nautical miles (2.8 km) east north east of Peterhead, Aberdeenshire with the loss of ten of her crew.[203]
Cairnmoney	United Kingdom	World War I: The barque was scuttled in the Atlantic Ocean 150 nautical miles (280 km) west of the Fastnet Rock by SM U-49 ( Imperial German Navy). Her crew survived.[204]
Elizabeth Hampton	United Kingdom	World War I: The schooner was scuttled in the English Channel 25 nautical miles (46 km) south by west of St. Catherine's Point, Isle of Wight by SM UB-18 ( Imperial German Navy). Her crew survived.[5][205]
Farley	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 70 nautical miles (130 km) south west of the Bishop Rock, Isles of Scilly (48°56′N 7°22′W) by SM UC-17 ( Imperial German Navy). Her crew survived.[5][206]
Francesco Raiola	Italy	World War I: The brigantine was scuttled in the Mediterranean Sea east of Sicily (37°41′N 15°29′E) by SM U-63 ( Imperial German Navy).[207]
SMS Fulda	Imperial German Navy	The Vorpostenboot was lost on this date.
Gravelinoise	France	World War I: The sailing vessel was scuttled in the Mediterranean Sea 12 nautical miles (22 km) east of Valencia, Spain (39°27′N 0°05′W) by SM U-34 ( Imperial German Navy). Her crew survived.[208]
Pentacost Mitchell	United States	The steamer was sunk in a collision with Saxona ( United States) off Frying Pan Shoal in the Soo River. Raised, taken to Toledo, Ohio for repairs and returned to service.[209][210]
Saint Francis	United States	During a voyage from San Francisco, California, to the Libby McNeil & Libby Ekuk Cannery at Kvichak on the Bristol Bay coast of the Territory of Alaska with a crew of 17 and a 1,500-ton cargo of general merchandise and cannery supplies aboard, the 1,898-gross register ton, 231.4-foot (70.5 m) wooden ship was wrecked 1 nautical mile (1.9 km; 1.2 mi) south of Middle Point (54°29′00″N 164°54′30″W) on Unimak Island in the Aleutian Islands and became a total loss. The steamers Goliah and Norwood (flags unknown) rescued her entire crew.[211]
Saint Katherine	United States	The 1,201-gross register ton, 202-foot (62 m) bark ran aground at Ugashik, Territory of Alaska, and broke her keel. She was refloated late in the summer of 1917 and repaired.[211]
Standard	United States	During a voyage from San Francisco, California, to the Libby McNeil & Libby Ekuk Cannery at Kvichak on the Bristol Bay coast of the Territory of Alaska with 162 passengers, a crew of 15 men, and a cargo of 2,707,349 pounds (1,228,033 kg) of cannery supplies aboard, the 1,534-gross register ton, 212-foot (65 m) wooden ship was wrecked without loss of life during a storm in Bristol Bay at Cape Constantine. All on board were rescued by the steamers George F. Haller and North Star (both  United States).[211]
Saxona	United States	The steamer was sunk in a collision with Pentacost Mitchell ( United States) off Frying Pan Shoal off the south end of Pipe Island in the Soo River. Raised and moved into shoal water by October, later taken to Collingwood, Ontario for repairs and returned to service.[209][210][212]
Tamon Maru No.11	Japan	The cargo ship sank at Aburatsu, Hyūga, Miyazaki.[179]
Tejo	Portugal	World War I: The sailing vessel was scuttled in the Mediterranean Sea (38°58′N 0°18′E) by SM U-34 ( Imperial German Navy). Her crew survived.[213]
SM U-59	Imperial German Navy	World War I: The Type U 57 submarine struck a mine and sank in the North Sea (55°33′N 7°15′E) with the loss of 33 of her 37 crew.
Volga	United Kingdom	World War I: The cargo ship was torpedoed and damaged in the Mediterranean Sea east of Sicily by SM U-63 ( Imperial German Navy). She was beached but was later refloated.[214]

15 May

List of shipwrecks: 15 May 1917

Ship	State	Description
HMT Admirable	Royal Navy	World War I: Battle of the Strait of Otranto: The naval trawler was sunk in the Adriatic Sea by an Austro-Hungarian Navy warship.[215]
HMT Avondale	Royal Navy	World War I: Battle of the Strait of Otranto: The naval trawler was sunk in the Adriatic Sea by an Austro-Hungarian Navy warship.[215]
Borea	Regia Marina	World War I: Battle of the Strait of Otranto: The Nembo-class destroyer was sunk by gunfire in the Adriatic Sea off the coast of Albania by the destroyer Csepel ( Austro-Hungarian Navy).[216][217]
Boreas	Netherlands	World War I: The auxiliary sailing vessel was sunk in the North Sea 25 nautical miles (46 km) north west of IJmuiden, North Holland by SM UC-71 ( Imperial German Navy).[218]
Boutefeu	French Navy	World War I: Battle of the Strait of Otranto: The Bouclier-class destroyer struck a mine and sank in the Strait of Otranto off Brindisi, Apulia, Italy.[219]
Carroccio	Kingdom of Italy	World War I: Battle of the Strait of Otranto: The cargo ship was sunk by gunfire in the Adriatic Sea off the coast of Albania by the destroyer Balaton ( Austro-Hungarian Navy).[217]
HMT Coral Haven	Royal Navy	World War I: Battle of the Strait of Otranto: The naval trawler was sunk in the Adriatic Sea by an Austro-Hungarian Navy warship.[215]
HMT Craignoon	Royal Navy	World War I: Battle of the Strait of Otranto: The naval trawler was sunk in the Adriatic Sea by an Austro-Hungarian Navy warship.[215]
Cuba	United Kingdom	World War I: The barquentine was scuttled in the English Channel 10 nautical miles (19 km) west of the Owers Lightship ( United Kingdom) by SM UB-40 ( Imperial German Navy). Her crew survived.[5][220]
HMT Felicitas	Royal Navy	World War I: Battle of the Strait of Otranto: The naval trawler was sunk in the Adriatic Sea by an Austro-Hungarian Navy warship.[215]
Ferrara	Italy	World War I: The cargo ship was torpedoed and damaged in the Strait of Messina by SM U-63 ( Imperial German Navy). She was beached but was later refloated.[221]
HMT Girl Gracie	Royal Navy	World War I: Battle of the Strait of Otranto: The naval trawler was sunk in the Adriatic Sea by an Austro-Hungarian Navy warship.[215]
HMT Girl Rose	Royal Navy	World War I: Battle of the Strait of Otranto: The naval trawler was sunk in the Adriatic Sea by an Austro-Hungarian Navy warship.[215]
Grosholm	Norway	World War I: The cargo ship was sunk in the Atlantic Ocean 200 nautical miles (370 km) west of Ireland (55°53′N 12°15′W) by SM U-46 ( Imperial German Navy). Her crew survived.[222]
SMS Heinrich Rathjen	Imperial German Navy	The Vorpostenboot was lost on this date.
HMT Helenora	Royal Navy	World War I: Battle of the Strait of Otranto: The naval trawler was sunk in the Adriatic Sea by an Austro-Hungarian Navy warship.[215]
Meuse	France	World War I: The cargo ship was sunk in the Atlantic Ocean west of the Fastnet Rock (50°49′N 15°27′W) by SM U-48 ( Imperial German Navy).[223]
Omilak Chief	United States	The 65-gross register ton, 70-foot (21.3 m) sternwheel paddle steamer was crushed by ice on the Fish River in the Territory of Alaska.[224]
Pancras	United Kingdom	World War I: The cargo ship was shelled and damaged in the Mediterranean Sea off Punta Sabinal, Spain by SM U-47 ( Imperial German Navy) and was beached. She was later refloated.[225]
Panaghi Lykiardopoulo	Greece	World War I: The cargo ship was sunk in the English Channel west of the Roches-Douvres Lighthouse (49°00′N 3°32′W) by SM UB-18 ( Imperial German Navy). Her crew survived.[226]
Polymnia	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 15 nautical miles (28 km) west of The Lizard, Cornwall by SM UC-75 ( Imperial German Navy) with the loss of eight of her crew.[227]
HMT Quarry Knowe	Royal Navy	World War I: Battle of the Strait of Otranto: The naval trawler was sunk in the Adriatic Sea by an Austro-Hungarian Navy warship.[215]
Rosina	United Kingdom	The brigantine ran aground at Ribeirinha Point, Faial, Azores, Portugal and was a total loss. Her crew were rescued.[228]
Scorpione	Regia Marina	The Sirio-class torpedo boat collided with Surveillante ( French Navy) and sank in the Mediterranean Sea off Pantelleria Island, Italy.[216]
HMT Selby	Royal Navy	World War I: Battle of the Strait of Otranto: The naval trawler was sunk in the Adriatic Sea by an Austro-Hungarian Navy warship.[215]
HMT Serene	Royal Navy	World War I: Battle of the Strait of Otranto: The naval trawler was sunk in the Adriatic Sea by an Austro-Hungarian Navy warship.[215]
St. Frances	United States	The cargo ship ran aground at Unimak Pass, Alaska and was a total loss.[228]
HMT Taits	Royal Navy	World War I: Battle of the Strait of Otranto: The naval trawler was sunk in the Adriatic Sea by an Austro-Hungarian Navy warship.[215]
HMT Transit	Royal Navy	World War I: Battle of the Strait of Otranto: The naval trawler was sunk in the Adriatic Sea by an Austro-Hungarian Navy warship.[215]
Tung Shan	United Kingdom	World War I: The cargo ship was scuttled in the Mediterranean Sea 7 nautical miles (13 km) north of Cape San Antonio, Spain (39°02′N 0°19′E) by SM U-34 ( Imperial German Navy) with the loss of a crew member. Three crew were taken as prisoners of war.[229]
HMT Young Linnet	Royal Navy	World War I: Battle of the Strait of Otranto: The naval trawler was sunk in the Adriatic Sea by an Austro-Hungarian Navy warship.[215]

16 May

List of shipwrecks: 16 May 1917

Ship	State	Description
HMS Dartmouth	Royal Navy	World War I: Battle of the Strait of Otranto: The Town-class cruiser was torpedoed and totally disabled in the Strait of Otranto off Brindisi, Apulia, Italy by SM UC-25 ( Imperial German Navy) with the loss of five of her 433 crew.[230] She was later repaired and returned to service.
Dorothy Duff	United Kingdom	World War I: The schooner was scuttled in the Mediterranean Sea 14 nautical miles (26 km) off Cape Cullera, Spain (39°16′N 0°08′E) by SM U-34 ( Imperial German Navy). Her crew survived.[231]
Friso	Netherlands	World War I: The schooner was sunk in the English Channel south east of Start Point, Devon, United Kingdom by SM UB-20 ( Imperial German Navy).[232]
Hendrika Johana	Netherlands	World War I: The sailing vessel was shelled and sunk in the North Sea north of the Maas Lightship ( Netherlands) (52°31′N 4°20′E) by SM UC-71 ( Imperial German Navy).[233]
Highland Corrie	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the English Channel 4 nautical miles (7.4 km) south of the Owers Lightship ( United Kingdom) (50°28′N 0°38′W) by SM UB-40 ( Imperial German Navy) with the loss of five of her crew.[234]
Hilonian	United States	World War I: The cargo ship was torpedoed and sunk in the Gulf of Genoa 3 nautical miles (5.6 km) off the Albenga by SM UC-35 ( Imperial German Navy) with the loss of four of her crew.[235][23][236]
SMS M14	Imperial German Navy	World War I: The M1-class minesweeper was sunk by mines in the North Sea.
Middlesex	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 150 nautical miles (280 km) north west of Tory Island, County Donegal (56°03′N 12°30′W) by SM U-30 ( Imperial German Navy). Her crew survived.[5][237]
Pagenturm	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the English Channel 16 nautical miles (30 km) west of Beachy Head, Sussex (50°40′N 0°10′W) by SM UB-40 ( Imperial German Navy) with the loss of four of her crew.[5][238]
SMS S17	Imperial German Navy	World War I: The V1-class destroyer struck a mine and sank in the North Sea with the loss of 25 of her crew.[216]

17 May

List of shipwrecks: 17 May 1917

Ship	State	Description
Alfonso	Italy	World War I: The sailing vessel was scuttled in the Mediterranean Sea 10 nautical miles (19 km) off Denia, Spain (39°00′N 0°10′E) by SM U-34 ( Imperial German Navy).[239]
Cito	United Kingdom	World War I: The coaster was shelled and sunk in the North Sea 20 nautical miles (37 km) east of the Noord Hinder Lightship ( Netherlands) by a Kaiserliche Marine torpedo boat with the loss of eleven of her crew.[5]
Eirini	Greece	World War I: The cargo ship was sunk in the Atlantic Ocean 50 nautical miles (93 km) south south west of Cadiz, Spain (36°55′N 6°31′W) by SM U-47 ( Imperial German Navy). Her crew survived.[240]
Florence Louisa	United Kingdom	World War I: The schooner was scuttled in the English Channel 8 nautical miles (15 km) off The Needles, Isle of Wight by SM UB-40 ( Imperial German Navy). Her crew survived.[241]
George Pyman	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 130 nautical miles (240 km) west of Tearaght Island, County Kerry by SM U-49 ( Imperial German Navy). Her crew survived.[5][242]
Jakoba	Netherlands	World War I: The fishing vessel was scuttled in the North Sea off Den Helder, North Holland by SM UC-71 ( Imperial German Navy). Her crew survived.[243]
Kilmaho	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the English Channel 10 nautical miles (19 km) west north west of The Lizard, Cornwall (49°58′N 5°19′W) by SM UB-20 ( Imperial German Navy) with the loss of 21 of her crew.[244]
Lewisham	United Kingdom	World War I: The cargo ship was sunk in the Atlantic Ocean west of Ireland by SM U-46 ( Imperial German Navy) with the loss of 24 crew. Three survivors were taken as prisoners of war.[245]
Margareta	Russia	World War I: The four-masted barque was shelled and sunk in the Atlantic Ocean (51°00′N 12°18′W).[246]
Mercurius	Netherlands	World War I: The fishing vessel was scuttled in the North Sea 17 nautical miles (31 km) north west of Noordwijk, North Holland by SM UC-71 ( Imperial German Navy). Her crew survived.[247]
HMS Setter	Royal Navy	The R-class destroyer collided with HMS Sylph ( Royal Navy) and sank in the North Sea off Harwich, Essex.[216]
Vesterland	Sweden	World War I: The cargo ship was sunk in the North Sea 30 nautical miles (56 km) east of Lerwick, Shetland Isles, United Kingdom by SM U-19 ( Imperial German Navy).[248] Three casualties.[249]
Viken	Sweden	World War I: The cargo ship was sunk with the loss of eight crew in the North Sea 20 nautical miles (37 km) east of the Orkney Islands, United Kingdom[250] by SM UC-31 ( Imperial German Navy).[251]

18 May

List of shipwrecks: 18 May 1917

Ship	State	Description
Adventure	United Kingdom	World War I: The drifter was shelled and sunk in the Atlantic Ocean south west of the Bishop Rock, Isles of Scilly by SM UB-20 ( Imperial German Navy). Her crew survived.[252]
Annetta	Netherlands	World War I: The coaster was scuttled in the North Sea 40 nautical miles (74 km) off IJmuiden, North Holland by SM UC-71 ( Imperial German Navy).[253]
Camberwell	United Kingdom	World War I: The cargo ship struck a mine and sank in the English Channel 6 nautical miles (11 km) south east by south of Dunnose Head, Isle of Wight (50°35′N 1°03′W) with the loss of seven of her crew.[254]
C.E.C.G.	United Kingdom	World War I: The ketch was scuttled in the English Channel 30 nautical miles (56 km) south south east of Start Point, Devon (50°48′N 4°48′W) by SM UC-70 ( Imperial German Navy). Her crew survived.[255]
Dromore	United Kingdom	World War I: The coaster was shelled and sunk in the English Channel 6 nautical miles (11 km) south of St. Martin's Point, Guernsey, Channel Islands by SM UC-70 ( Imperial German Navy). Her crew survived.[5][256]
Elford	United Kingdom	World War I: The cargo ship struck a mine and sank in the English Channel 2 nautical miles (3.7 km) south of the Nab Lightship ( United Kingdom) (50°38′N 0°58′W). Her crew survived.[257]
Frances M.	United States	World War I: The sailing vessel was scuttled in the Atlantic Ocean west of Gibraltar (35°29′N 8°18′W) by SM U-47 ( Imperial German Navy). Her crew survived, but a crew member of U-47 was lost during the scuttling operation.[258]
Llandrindod	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 165 nautical miles (306 km) north west by west of the Fastnet Rock (51°45′N 13°58′W) by SM U-46 ( Imperial German Navy). Her crew survived, but her captain was taken as a prisoner of war.[5][259]
HMT Lucknow	Royal Navy	World War I: The naval trawler struck a mine and sank in the English Channel 2 nautical miles (3.7 km) west of the Owers Lightship ( United Kingdom) with the loss of nine of her crew.[260]
Mary Baird	United Kingdom	World War I: The cargo ship struck a mine and sank in the Atlantic Ocean 2.5 nautical miles (4.6 km) west of Pendeen Cove, Cornwall (50°10′N 5°44′W)with the loss of seven of her crew.[261]
Millicent Knight	United Kingdom	World War I: The collier was torpedoed and sunk in the Mediterranean Sea 130 nautical miles (240 km) east by south of Malta (35°37′N 17°13′E) by SM UC-20 ( Imperial German Navy) with the loss of a crew member.[137][262]
Penhale	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 72 nautical miles (133 km) north west by north of Tearaght Island, County Kerry by SM U-46 ( Imperial German Navy) with the loss of a crew member. Her captain was taken as a prisoner of war.[263]
Primrose	United Kingdom	World War I: The drifter was shelled and sunk in the Atlantic Ocean 22 nautical miles (41 km) west by south of the Bishop Rock by SM UB-20 ( Imperial German Navy). Her crew survived.[264]

19 May

List of shipwrecks: 19 May 1917

Ship	State	Description
Askild	Norway	World War I: The cargo ship was sunk in the Atlantic Ocean 19 nautical miles (35 km) north of Ouessant, Finistère, France by SM UB-20 ( Imperial German Navy). Her crew survived.[265]
Elise	Denmark	World War I: The schooner was sunk in the North Sea (57°28′N 3°10′E) by SM U-45 ( Imperial German Navy) with the loss of six crew.[266]
Erik	Sweden	World War I: The coaster was sunk in the Baltic Sea off the coast of Finland (60°15′N 19°44′E) by SM UC-58 ( Imperial German Navy). Her crew survived.[267]
Farnham	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 90 nautical miles (170 km) north west of the Fastnet Rock by SM U-57 ( Imperial German Navy) with the loss of seventeen crew.[5][268]
Kjell	Sweden	World War I: The coaster was sunk in the Baltic Sea off the coast of Finland[269] by SM UC-58 ( Imperial German Navy). Her crew survived.[270]
Kyros	Sweden	World War I: The coaster was sunk in the Baltic Sea off the coast of Finland[271] by SM UC-58 ( Imperial German Navy). Her crew survived.[272]
Mardinian	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 4 nautical miles (7.4 km) south by west of Tabarka Island, Spain (38°05′N 0°31′W) by SM U-34 ( Imperial German Navy). Her crew survived.[273]
Mordenwood	United Kingdom	World War I: The cargo ship was sunk in the Mediterranean Sea 90 nautical miles (170 km) south east by south of Cape Matapan, Greece (35°02′N 22°05′E) by SM U-28 ( Austro-Hungarian Navy) with the loss of 21 of her crew.[274]
Olga	Sweden	World War I: The sailing vessel was sunk in the Baltic Sea off the coast of Finland by SM UC-58 ( Imperial German Navy).[275]
Pauline	Sweden	World War I: The coaster was scuttled in the Baltic Sea off Rauma, Finland by SM UC-58 ( Imperial German Navy). Her crew survived.[276]
Therese	Sweden	World War I: The coaster was scuttled in the Baltic Sea off the coast of Finland[277] by SM UC-58 ( Imperial German Navy). Her crew survived.[278]
Vasca	United States	The schooner barge capsized one mile (1.6 km) off Tampico, Mexico. The vessel drifted ashore six miles (9.7 km) north of Tampico the next day, a total loss.[19][145]

20 May

List of shipwrecks: 20 May 1917

Ship	State	Description
Arnfinn Jarl	Norway	World War I: The cargo ship was torpedoed and sunk in the Norwegian Sea 16 nautical miles (30 km) west of Holmengrå, Finnmark by SM U-19 ( Imperial German Navy). Her crew survived.[279]
Caspian	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 3 nautical miles (5.6 km) off Cape Cervera, Spain (37°53′N 0°22′W) by SM U-34 ( Imperial German Navy) with the loss of 25 crew. Three survivors were taken as prisoners of war.[5][280]
Dana	United Kingdom	World War I: The brigantine was scuttled in the English Channel 20 nautical miles (37 km) north west of Guernsey, Channel Islands by SM UC-36 ( Imperial German Navy). Her crew survived.[5][281]
HMS Paxton	Royal Navy	World War I: The Q-ship was sunk in the Atlantic Ocean 90 nautical miles (170 km) west of the Skelligs (51°42′N 13°13′W) by SM U-46 ( Imperial German Navy) with the loss of 31 crew. Two survivors were taken as prisoners of war.[282]
Mientji	United Kingdom	World War I: The sailing vessel was scuttled in the English Channel 25 nautical miles (46 km) off the Les Hanois Lighthouse, Guernsey by SM UC-36 ( Imperial German Navy). Her crew survived.[283]
Normand	Norway	World War I: The cargo ship was sunk in the Atlantic Ocean 25 nautical miles (46 km) north of Ouessant, Finistère, France by SM UB-20 ( Imperial German Navy). Her crew survived.[284]
Porthkerry	United Kingdom	World War I: The collier was torpedoed and sunk in the English Channel 16 nautical miles (30 km) west by south of Beachy Head, Sussex (50°38′N 0°08′W) by SM UB-40 ( Imperial German Navy) with the loss of seven of her crew.[5][137][285]
Tijuca	Brazil	World War I: The cargo ship was sunk in the Atlantic Ocean 5 nautical miles (9.3 km) south west of the Pierres Noires Lighthouse, Finistère, France by SM UC-36 ( Imperial German Navy). Her crew survived. Some salvaging was done.[286][287]
Tycho	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the English Channel 16 nautical miles (30 km) west of Beachy Head by SM UB-40 ( Imperial German Navy) with the loss of fifteen of her crew.[5][288]
Voorwaarts	Netherlands	World War I: The sailing vessel was damaged in the North Sea off Terschelling, Friesland by SM UC-64 ( Imperial German Navy). She was towed in to Great Yarmouth, Norfolk, United Kingdom but was declared a total loss.[289]

21 May

List of shipwrecks: 21 May 1917

Ship	State	Description
HMS Ampleforth	Royal Navy	World War I: The collier was torpedoed and sunk in the Mediterranean Sea 15 nautical miles (28 km) west south west of Gozo, Malta (36°10′N 13°30′E) by SM U-65 ( Imperial German Navy) with the loss of four of her crew.[5][11][290]
City of Corinth	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the English Channel 12 nautical miles (22 km) south west of The Lizard, Cornwall (49°54′N 5°30′W) by SM UB-31 ( Imperial German Navy). Her crew survived.[291]
Don Diego	United Kingdom	World War I: The cargo ship was shelled and sunk in the Mediterranean Sea 40 nautical miles (74 km) east by south of Linosa, Italy (35°50′N 13°40′E) by SM U-65 ( Imperial German Navy) with the loss of five of her crew.[5][292]
Ferdinand A.	France	World War I: The cargo ship was torpedoed and sunk in the Bay of Biscay 10 to 15 nautical miles (19 to 28 km) off the Stiff Lighthouse, Ouessant, Finistère (48°40′N 5°10′W) by SM UC-36 ( Imperial German Navy). Her crew survived.[293]
Jupiter	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the English Channel 15 nautical miles (28 km) west of Beachy Head, Sussex (50°38′N 0°05′W) by SM UB-40 ( Imperial German Navy) with the loss of nineteen of her crew.[5][294]
Lanthorn	United Kingdom	World War I: The cargo ship was captured and scuttled in the North Sea off Whitby, Yorkshire by SM UB-41 ( Imperial German Navy). Her crew survived.
Lynton	Russia	World War I: The four-masted barque was sunk in the Atlantic Ocean 50 nautical miles (93 km) off Queenstown, County Cork, United Kingdom by SM U-48 ( Imperial German Navy).[295]
Madura	Norway	World War I: The barque was scuttled in the Atlantic Ocean 50 nautical miles (93 km) south west of Queenstown by SM U-48 ( Imperial German Navy) with the loss of two crew.[296]
Saint Michel	France	World War I: The brigantine was scuttled in the Mediterranean Sea south of the Balearic Islands (37°55′N 1°15′E) by SM U-34 ( Imperial German Navy).[297]
HMT Senator	Royal Navy	World War I: The naval trawler struck a mine and sank in the Atlantic Ocean off Tory Island, County Donegal (55°15′N 8°10′W) with the loss of eleven crew.[298]
SM UC-36	Imperial German Navy	World War I: The Type UC II submarine was rammed and sunk in the Bay of Biscay off Ouessant (48°42′N 5°14′W) by Molière ( France) with the loss of all 26 crew.

22 May

List of shipwrecks: 22 May 1917

Ship	State	Description
HMT Epworth	Royal Navy	The naval trawler was lost on this date.[11]
Jeune Albert	France	World War I: The fishing vessel was sunk in the Bay of Biscay by SM UC-21 ( Imperial German Navy).[299]
Lanthorn	United Kingdom	World War I: The cargo ship was sunk in the North Sea 3 nautical miles (5.6 km) east of Whitby, Yorkshire (54°30′N 0°29′W) by SM UB-41 ( Imperial German Navy). Her crew survived.[300]
Lapa	Brazil	World War I: The cargo ship was scuttled in the Atlantic Ocean 130 nautical miles (240 km) west south west of Gibraltar (35°28′N 8°03′W) by SM U-47 ( Imperial German Navy).[301]
Max Schinkel	Imperial German Navy	World War I: The Neuwerk-class Vorpostenboot was sunk by mines northeast of Ameland.
HMT Merse	Royal Navy	World War I: The naval trawler struck a mine and sank in the Firth of Clyde 6 nautical miles (11 km) south east of Garroch Head, Isle of Bute with the loss of all seventeen crew.[302]
Milo	United Kingdom	The collier collided with another vessel and sank in the English Channel off St. Alban's Head, Dorset.[303]
Nann Smith	Norway	World War I: The cargo ship struck a mine and sank in the Bay of Biscay between Belle Île and Groix, Morbihan, France (47°13′N 3°14′W). Her crew survived.[304]
Tansan Maru	Japan	World War I: The cargo ship was sunk in the Atlantic Ocean 80 nautical miles (150 km) west of Annagh Head, County Mayo, United Kingdom (54°10′N 12°40′W) by SM U-46 ( Imperial German Navy). Her crew survived.[305]

23 May

List of shipwrecks: 23 May 1917

Ship	State	Description
Alberdina	Netherlands	World War I: The sailing vessel was scuttled in the North Sea 25 nautical miles (46 km) north west of the Maas Lightship ( Netherlands) by SM UC-64 ( Imperial German Navy). Her crew survived.[306]
Begona No.3	Spain	World War I: The cargo ship was sunk in the Atlantic Ocean 29 nautical miles (54 km) north of Ouessant, Finistère, France (48°55′N 5°04′W) by SM UC-70 ( Imperial German Navy). Her crew survived.[307]
Beinir	Denmark	World War I: The fishing vessel was sunk in the Atlantic Ocean off the Faroe Islands by SM UC-33 ( Imperial German Navy). Her crew survived.[308]
Britannia	Denmark	World War I: The fishing vessel was sunk in the Atlantic Ocean off the Faroe Islands by SM UC-33 ( Imperial German Navy). Her crew survived.[309]
Else	Denmark	World War I: The fishing vessel was sunk in the Atlantic Ocean off the Faroe Islands by SM UC-33 ( Imperial German Navy). Her crew survived.[310]
Elmmoor	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 36 nautical miles (67 km) east by south of Syracuse, Sicily, Italy (36°54′N 16°09′E) by SM UC-67 ( Imperial German Navy). Her crew survived but her captain was taken as a prisoner of war.[5][311]
Elve	Netherlands	World War I: The coaster was sunk in the Atlantic Ocean off the north coast of Scotland (59°39′N 3°20′W) by SM U-87 ( Imperial German Navy).[312]
England	United Kingdom	World War I: The collier was scuttled in the Mediterranean Sea 40 nautical miles (74 km) south by east of Cap Bon, Tunisia (36°20′N 11°15′E) by SM U-65  Imperial German Navy with the loss of three crew.[5][11][313]
Freden	Denmark	World War I: The three-masted schooner was sunk in the Atlantic Ocean 60 nautical miles (110 km) north west of the Butt of Lewis, United Kingdom by SM U-30 ( Imperial German Navy) with the loss of two crew.[314]
Gran	Norway	World War I: The cargo ship struck a mine and sank in the North Sea off Ryhope, County Durham, United Kingdom (54°54′N 1°20′W). Her crew survived.[315]
Harwood Palmer	United States	World War I: The schooner was shelled and sunk in the Loire Estuary 6 nautical miles (11 km) south west of the Île de la Banche (47°16′N 2°30′W) by SM UC-21 ( Imperial German Navy). Her crew were rescued by Cobra ( French Navy).[316]
Hector	Norway	World War I: The cargo ship was sunk in the North Sea 110 nautical miles (200 km) north north east of Flamborough Head, Yorkshire, United Kingdom (56°05′N 2°00′E) by SM U-88 ( Imperial German Navy). Her crew survived.[317]
Lesto	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Bay of Biscay 8 nautical miles (15 km) west of the Île du Pilier, Vendée, France (46°57′N 2°30′W) by SM UC-21 ( Imperial German Navy) with the loss of four of her crew.[5][318]
Margrethe	Denmark	World War I: The fishing vessel was sunk in the Atlantic Ocean off the Faroe Islands by SM UC-33 ( Imperial German Navy). Her crew survived.[319]
Febronia Maria Antonina	Italy	World War I: The sailing vessel was sunk in the Strait of Sicily by SM U-65 ( Imperial German Navy).[320]
Monarch	Norway	World War I: The cargo ship was sunk in the North Sea 2 nautical miles (3.7 km) east of Seaham, County Durham, United Kingdom by SM UB-41 ( Imperial German Navy) with the loss of ten of her crew.[321]
Olearia	United Kingdom	World War I: The fishing vessel was scuttled in the Atlantic Ocean 65 nautical miles (120 km) west south west of Suðuroy, Faroe Islands by SM UC-33 ( Imperial German Navy). Her crew survived.[56][322]
SMS Othmarschen	Imperial German Navy	The Vorpostenboot was lost on this date.
Pipitsa	Greece	World War I: The sailing vessel was scuttled in the Tyrrhenian Sea east of Corsica, France (42°00′N 9°59′E) by SM UC-35 ( Imperial German Navy).[323]
Sisapon	United Kingdom	World War I: The trawler was sunk in the Atlantic Ocean 60 nautical miles (110 km) west south west of Suðuroy by SM UC-33 ( Imperial German Navy). Her crew survived.[324]
Streymoy	Denmark	World War I: The trawler was sunk in the Atlantic Ocean off the Faroe Islands by SM UC-33 ( Imperial German Navy). Her crew survived.[325]
HMT Tettenhall	Royal Navy	World War I: The naval trawler struck a mine and sank in the North Sea off Lowestoft, Suffolk (52°30′N 1°54′E) with the loss of six of her crew.[326]

24 May

List of shipwrecks: 24 May 1917

Ship	State	Description
Barbara	United States	World War I: The sailing ship was captured and scuttled by burning in the Atlantic Ocean 90 nautical miles (170 km) west of Gibraltar (36°11′N 7°58′W) by SM U-47 ( Imperial German Navy). Her captain, his wife, and the crew were rescued from her boats 24 hours later by a Spanish brig.[327][23][328]
Belgian	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 50 nautical miles (93 km) west of the Fastnet Rock (50°59′N 10°42′W) by SM U-57 ( Imperial German Navy) with the loss of two crew.[5][329]
Biarritz	France	World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 50 nautical miles (93 km) south east of Malta (35°12′N 14°16′E) by SM U-32 ( Imperial German Navy).[330]
Brestir	Denmark	World War I: The trawler was sunk in the Atlantic Ocean off the Faroe Islands by SM UC-33 ( Imperial German Navy). Her crew survived.[331]
Domenico Barone	Kingdom of Italy	World War I: The barquentine was shelled and damaged in the Mediterranean Sea off Cape Passero, Sicily (36°53′N 15°12′E) by SM UC-25 ( Imperial German Navy). She was beached but was declared a total loss.[332]
Gudrun	Norway	World War I: The barque was scuttled in the English Channel 50 nautical miles (93 km) south west of Portland Bill, Dorset, United Kingdom by SM UB-38 ( Imperial German Navy). Her crew survived.[333]
Isabella Innes	Denmark	World War I: The fishing vessel was sunk in the Atlantic Ocean off the Faroe Islands by SM UC-33 ( Imperial German Navy). Her crew survived.[334]
Jersey City	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 35 nautical miles (65 km) north west of Flannan Island, Outer Hebrides (58°30′N 8°36′W) by SM U-46 ( Imperial German Navy). Her crew survived but her captain was taken as a prisoner of war.[5][335]
Mcclure	United Kingdom	World War I: The schooner was scuttled in the Mediterranean Sea 30 nautical miles (56 km) east of Cape Carbonara, Sicily, Italy (38°59′N 10°15′E) by SM UC-35 ( Imperial German Navy). Her crew survived.[336]
HMT Rosevine	Royal Navy	The naval trawler was lost on this date.[137]
Sant Antonio di Padova	Italy	World War I: The brigantine was scuttled in the Mediterranean Sea north west of Sicily (36°24′N 12°27′E) by SM U-65 ( Imperial German Navy).[337]
Thyra	Denmark	World War I: The schooner was scuttled in the English Channel 45 nautical miles (83 km) south south east of Start Point, Devon, United Kingdom by SM UB-38 ( Imperial German Navy). Her crew survived.[338]
Traveller	Denmark	World War I: The fishing smack was sunk in the Atlantic Ocean off the Faroe Islands by SM UC-33 ( Imperial German Navy). Her crew survived.[339]
SM UC-24	Imperial German Navy	World War I: The Type UC II submarine was torpedoed and sunk in the Gulf of Kotor by Circé ( French Navy) with the loss of all 26 crew.

25 May

List of shipwrecks: 25 May 1917

Ship	State	Description
A. H. Frijs	Denmark	World War I: The barquentine was sunk in the Atlantic Ocean 35 nautical miles (65 km) west south west of Suðuroy, Faroe Islands by SM UC-33 ( Imperial German Navy). Her crew survived.[340]
Argentina	Italy	World War I: The sailing vessel was sunk in the Mediterranean Sea off Sicily by SM UC-20 ( Imperial German Navy).[341]
Denebola	Imperial German Navy	World War I: The Aldebaran-class Vorpostenboot was sunk by mines off Westerems.
Diego Russo	Italy	World War I: The sailing vessel was sunk in the Tyrrhenian Sea south west of Policastro Bussentino, Campania by SM U-65 ( Imperial German Navy).[342]
Glyg	Norway	World War I: The coaster was sunk in the Atlantic Ocean 17 nautical miles (31 km) north north west of Muckle Flugga, Shetland Islands, United Kingdom by SM UC-33 ( Imperial German Navy). Her crew survived.[343]
HMS Hilary	Royal Navy	World War I: The armed merchant cruiser was torpedoed and sunk in the Atlantic Ocean 40 nautical miles (74 km) west of the Shetland Islands (60°33′N 3°00′W) by SM U-88 ( Imperial German Navy).[344]
Ida	Italy	World War I: The sailing vessel was sunk in the Mediterranean Sea off Sicily by SM UC-20 ( Imperial German Navy).[345]
Kohinur	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 150 nautical miles (280 km) north west of Alexandria, Egypt (33°20′N 29°50′E) by SM U-38 ( Imperial German Navy) with the loss of 37 crew.[346]
Magnus Manson	United States	World War I: The five-masted schooner was captured and scuttled by gunfire and explosives that set her afire in the Atlantic Ocean 50 nautical miles (93 km) west by south of Cape St. Vincent, Spain by SM U-47 ( Imperial German Navy). Her crew survived.[347][23][348]
Natale Monaco	Italy	World War I: The sailing vessel was sunk in the Tyrrhenian Sea by SM U-65 ( Imperial German Navy).[349]
Nicolino	Italy	World War I: The sailing vessel was sunk in the Gulf of Genoa by SM UC-35 ( Imperial German Navy).[350]
Rosina R.	Italy	World War I: The sailing vessel was sunk in the Tyrrhenian Sea by SM U-65 ( Imperial German Navy).[351]
Sjaelland	United Kingdom	World War I: The cargo ship was shelled and sunk in the English Channel 18 nautical miles (33 km) east by north of Start Point, Devon by SM UC-66 ( Imperial German Navy) with the loss of a crew member.[5][352]
Vincenzino C.	Italy	World War I: The sailing vessel was sunk in the Tyrrhenian Sea by SM U-65 ( Imperial German Navy).[353]
Whinlatter	Norway	World War I: The barque was sunk in the Atlantic Ocean (61°04′N 2°53′W) by SM UC-33 ( Imperial German Navy). Her crew survived.[354]

26 May

List of shipwrecks: 26 May 1917

Ship	State	Description
Abd es Salaam	France	World War I: The sailing vessel was sunk in the Mediterranean Sea off Sicily, Italy, by SM UC-20 ( Imperial German Navy).[355]
Agragas	Italy	World War I: The cargo ship was sunk in the Mediterranean Sea off Syrte, Libya by SM UC-73 ( Imperial German Navy). Her crew survived.[356]
Angelo Padre	Italy	World War I: The sailing vessel was sunk in the Tyrrhenian Sea off Policastro Bussentino, Campania by SM U-65 ( Imperial German Navy).[357]
Aristides	Greece	World War I: The cargo ship was sunk in the Bay of Biscay 5 nautical miles (9.3 km) north north west of Cabo del Ajo, Spain by SM UC-21 ( Imperial German Navy). Her crew survived.[358]
Carlos de Eizaguirre	Spain	World War I: The ship struck a mine and sank off Cape Town, South Africa with the loss of 84 of the 108 people on board, or 126 of 150. There were 24 survivors.[359][360]
Dandolo	France	World War I: The sailing vessel was sunk in the Mediterranean Sea off Sicily by SM UC-20 ( Imperial German Navy).[361]
Dorothy	Greece	World War I: The cargo ship was sunk in the Mediterranean Sea 45 nautical miles (83 km) off Cap d'Armi by SM UB-43 ( Imperial German Navy).[362]
HMHS Dover Castle	Royal Navy	( Red Cross): World War I: The hospital ship was torpedoed and sunk in the Mediterranean Sea 50 nautical miles (93 km) north of Bône, Algeria (37°45′N 7°36′E) by SM UC-67 ( Imperial German Navy) with the loss of seven crew. Survivors were rescued by HMS Cameleon ( Royal Navy).
Holmesbank	United Kingdom	World War I: The collier was shelled and sunk in the Mediterranean Sea 90 nautical miles (170 km) north by west of Alexandria, Egypt (32°26′N 29°30′E) by SM U-38 ( Imperial German Navy). Her crew survived.[5][11][363]
Lucipara	Russia	World War I: The barque was sunk in the Atlantic Ocean 45 nautical miles (83 km) north west of Inishtrahull Island, County Donegal, United Kingdom (55°55′N 8°25′W) by SM U-87 ( Imperial German Navy).[364]
Manoubia	France	World War I: The sailing vessel was sunk in the Mediterranean Sea off Sicily by SM UC-20 ( Imperial German Navy).[365]
Messaouda	France	World War I: The sailing vessel was sunk in the Mediterranean Sea off Sicily by SM UC-20 ( Imperial German Navy).[366]
Norhaug	Norway	World War I: The cargo ship struck a mine and sank in the Bay of Biscay 10 nautical miles (19 km) west of Saint-Nazaire, Loire-Inférieure, France (47°13′N 2°33′W) with the loss of five of her crew.[367]
Norway	Norway	World War I: The cargo liner was sunk in the Norwegian Sea 11 nautical miles (20 km) west of Holmengrå, Vestland by SM U-19 ( Imperial German Navy). All passengers and crew survived.[368]
Risorgimento	Italy	World War I: The schooner was scuttled in the Mediterranean Sea south of Sardinia (38°13′N 9°46′E) by SM UC-35 ( Imperial German Navy).[369]
Saint Hubert	France	World War I: The barque was scuttled in the English Channel 6 nautical miles (11 km) north north west of Cap La Hague, Manche by SM UC-45 ( Imperial German Navy).[370]
Saint Mirren	United Kingdom	World War I: The full-rigged ship was shelled and sunk in the Atlantic Ocean 45 nautical miles (83 km) north west of Inistrahull Island (55°55′N 8°25′W) by SM U-87 ( Imperial German Navy). Her crew survived.[5][371]
San Francesco	Italy	World War I: The sailing vessel was sunk in the Mediterranean Sea off Sicily by SM UC-20 ( Imperial German Navy). Her crew survived.[372]
Umaria	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Tyrrhenian Sea 20 nautical miles (37 km) south west by south of Policastro Bussentino (39°48′N 15°12′E) by SM U-65 ( Imperial German Navy) with the loss of five crew. Three survivors were taken as prisoners of war.[5][373]
Unione Salvatore	Italy	World War I: The sailing vessel was sunk in the Mediterranean Sea off Sicily by SM UC-20 ( Imperial German Navy).[374]
SMS V84	Imperial German Navy	World War I: The V67-class torpedo boat struck a mine and sank in the North Sea with the loss of five of her crew.[216]

27 May

List of shipwrecks: 27 May 1917

Ship	State	Description
Beatrice	Italy	World War I: The sailing vessel was sunk in the Strait of Sicily by SM U-33 ( Imperial German Navy).[375]
Boldwell	United Kingdom	World War I: The collier was torpedoed and sunk in the Mediterranean Sea 35 nautical miles (65 km) north east of Linosa, Italy (36°12′N 13°24′E) by SM UC-20 ( Imperial German Navy) with the loss of three of her crew.[5][11][376]
Dartmoor	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 35 nautical miles (65 km) south east of the Fastnet Rock (51°09′N 8°46′W) by SM UC-50 ( Imperial German Navy) with the loss of 25 of her crew.[5][377]
Debora	Denmark	World War I: The three-masted schooner was captured and scuttled in the North Sea 70 nautical miles (130 km) west south west of Lista, Vest-Agder, Norway (57°56′N 5°49′E) by SM U-19 ( Imperial German Navy). Her crew survived.[378]
Efstathios	Greece	World War I: The cargo ship was sunk in the Bay of Biscay 15 nautical miles (28 km) off Cape Penus by SM UC-21 ( Imperial German Navy).[379]
Général de Boisdeffre	France	World War I: The barque was sunk in the Atlantic Ocean 70 nautical miles (130 km) west of Ouessant, Finistère by SM UC-70 ( Imperial German Navy) with the loss of all hands.[380]
Luigi	Italy	World War I: The brigantine was sunk in the Mediterranean Sea off Ustica (38°58′N 15°49′E) by SM U-65 ( Imperial German Navy).[381]
Maria Giuseppe	Italy	World War I: The sailing vessel was sunk off the south coast of Italy by SM U-65 ( Imperial German Navy).[382]
Michele Constantino	Italy	World War I: The sailing vessels was sunk in the Strait of Sicily by SM U-33 ( Imperial German Navy). Her crew survived.[383]
SM UC-66	Imperial German Navy	World War I: The Type UC II submarine was depth charged and sunk in the English Channel by HMT Sea King ( Royal Navy) with the loss of all 26 crew.[384]

28 May

List of shipwrecks: 28 May 1917

Ship	State	Description
Ancona	United Kingdom	World War I: The cargo ship was sunk in the Atlantic Ocean 110 nautical miles (200 km) west south west of Ouessant, Finistère, France by SM UC-70 ( Imperial German Navy) with the loss of all hands.[385]
Antinoe	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 150 nautical miles (280 km) west south west of the Bishop Rock, Isles of Scilly (48°50′N 10°10′W) by SM U-86 ( Imperial German Navy) with the loss of 21 of her crew.[386]
Asters	Norway	World War I: The passenger ship, a barque, was torpedoed and sunk in the Atlantic Ocean 150 nautical miles (280 km) west by north of the Isles of Scilly (50°00′N 7°00′W) by SM UC-55 ( Imperial German Navy). All on board survived.[387]
Bars	Imperial Russian Navy	World War I: The Bars-class submarine was sunk in the Baltic Sea, probably by a mine.
Detlef Wagner	United Kingdom	World War I: The barquentine was shelled and sunk in the Atlantic Ocean 5 nautical miles (9.3 km) west of Ar Men, Finistère, France by SM UC-72 ( Imperial German Navy). Her crew survived.[388]
Hiram	Norway	World War I: The cargo ship was sunk in the Bay of Biscay 10 nautical miles (19 km) off Cape Vilano, Spain by SM UC-21 ( Imperial German Navy). Her crew survived.[389]
Limerick	United Kingdom	World War I: The refrigerated cargo liner was torpedoed and sunk in the Atlantic Ocean 140 nautical miles (260 km) west of the Bishop Rock (48°53′N 9°45′W) by SM U-86 ( Imperial German Navy) with the loss of eight of her crew.[5][390]
Nuevo S. Giovanni	Italy	World War I: The sailing vessel was sunk in the Mediterranean Sea off Cape Passero, Sicily by SM UC-25 ( Imperial German Navy).[391]
San Domenico	Italy	World War I: The sailing vessel was sunk in the Mediterranean Sea off Cape Passero by SM UC-25 ( Imperial German Navy).[392]
Teie	Norway	World War I: The full-rigged ship wasscuttled in the Atlantic Ocean 60 nautical miles (110 km) south of the Fastnet Rock (50°28′N 9°20′W) by SM UC-45 ( Imperial German Navy). Her crew survived.[393]
Turid	Norway	World War I: The cargo ship was sunk in the North Sea 25 nautical miles (46 km) north east by east of Peterhead, Aberdeenshire, United Kingdom by SM UC-44 ( Imperial German Navy). Her crew survived.[394]
Urna	Norway	World War I: The cargo ship was sunk in the Bay of Biscay 10 nautical miles (19 km) east by north of Cabo Prior, Spain by SM UC-21 ( Imperial German Navy). Her crew survived.[395]
Waldemar	Norway	World War I: The cargo ship was sunk in the Bay of Biscay 2.5 nautical miles (4.6 km) off Cabo Moras, Spain (43°47′N 7°28′W) by SM UC-21 ( Imperial German Navy). Her crew survived.[396]

29 May

List of shipwrecks: 29 May 1917

Ship	State	Description
Aghia Ton Aghion	Greece	World War I: The sailing vessel was sunk in the Mediterranean Sea north of Crete by SM UC-74 ( Imperial German Navy).[397]
Argo	Sweden	World War I: The schooner was sunk in the Atlantic Ocean north west of the Hebrides[398] (59°06′N 8°49′W) by SM U-69 ( Imperial German Navy). Her crew survived.[399]
Ashleaf	United Kingdom	World War I: The tanker was torpedoed and sunk in the Atlantic Ocean 150 nautical miles (280 km) west of the Bishop Rock, Isles of Scilly (48°40′N 9°30′W) by SM U-88 ( Imperial German Navy). Her crew survived.[5][400]
Clan Murray	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 40 nautical miles (74 km) west by south of the Fastnet Rock(50°57′N 10°21′W) by SM UC-55 ( Imperial German Navy) with the loss of 64 lives. One survivor was taken as a prisoner of war.[5][401]
Consul N. Nielsen	Denmark	World War I: The barque was sunk in the Atlantic Ocean north west of the Hebrides by SM U-69 ( Imperial German Navy). Her crew survived.[402]
Fridtjof Nansen	Norway	World War I: The cargo ship was sunk in the North Sea east of the Shetland Islands, United Kingdom (60°31′N 1°41′E) by SM U-28 ( Imperial German Navy). Her crew survived.[403]
Ines	Sweden	World War I: The brig was sunk in the Atlantic Ocean north west of the Hebrides[404] (58°59′N 9°24′W) by SM U-69 ( Imperial German Navy). She was manned by a British prize crew of four, who were taken as prisoners of war.[405]
Karna	Norway	World War I: The sailing vessel was scuttled in the North Sea 70 kilometres (38 nmi) northeast of the Shetland Islands, United Kingdom (61°21′N 0°08′W) by SM U-28 ( Imperial German Navy). Her crew survived.[406]
Kirikos	Greece	World War I: The sailing vessel was sunk in the Mediterranean Sea north of Crete by SM UC-74 ( Imperial German Navy).[407]
Kodan	Norway	World War I: The three-masted schooner was scuttled in the North Sea 50 nautical miles (93 km) east of the Out Skerries, Shetland Islands, United Kingdom by SM U-28 ( Imperial German Navy). Her crew survived.[408]
Oswego	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 175 nautical miles (324 km) west of the Bishop Rock, Isles of Scilly (48°44′N 10°15′W) by SM U-86 ( Imperial German Navy). Her crew survived.[5][409]
Yarra	France	World War I: The troopship was torpedoed and sunk in the Mediterranean Sea 20 nautical miles (37 km) north west of Cape Sidero, Crete (35°40′N 25°35′E) by SM UC-74 ( Imperial German Navy) with the loss of at least 16 lives. Survivors were rescued by Arbalete, La Dedaigneuse (both  French Navy) and HMS Lily ( Royal Navy).[410]

30 May

List of shipwrecks: 30 May 1917

Ship	State	Description
Bathurst	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 90 nautical miles (170 km) west of the Bishop Rock, Isles of Scilly (49°23′N 8°43′W) by SM U-87 ( Imperial German Navy). Her crew survived.[5][411]
Corbet Woodall	United Kingdom	World War I: The coaster struck a mine and sank in the English Channel 1.5 nautical miles (2.8 km) east of the Nab Lightship ( United Kingdom). Her crew survived.[412]
Hanley	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 95 nautical miles (176 km) west of the Bishop Rock (49°23′N 8°43′W) by SM U-87 ( Imperial German Navy) with the loss of a crew member.[5][413]
HMT Ina William	Royal Navy	World War I: The naval trawler struck a mine and sank in the Atlantic Ocean 2 nautical miles (3.7 km) south of the Bull Rock Lighthouse (51°43′N 10°18′W) with the loss of twelve of her crew.[414]
Italia	French Navy	World War I: The armed boarding steamer was torpedoed and sunk by the submarine SM U-4 ( Austro-Hungarian Navy) in the Mediterranean Sea 46 miles (74 km) southeast of Santa Maria di Leuca, Italy.[415]
Lisbon	United Kingdom	World War I: The cargo ship struck a mine and sank in the English Channel 5 nautical miles (9.3 km) south of the Royal Sovereign Lightship ( United Kingdom) (50°38′N 0°20′E) with the loss of a crew member.[416]
Sørland	Norway	World War I: The cargo ship was sunk in the Atlantic Ocean (46°11′N 8°20′W) by SM UC-21 ( Imperial German Navy). Her crew survived.[417]
Unknown submarine		World War I: A submarine was shelled and sunk by Silver Shell ( United States) in a gun battle in the Mediterranean Sea.[418]

31 May

List of shipwrecks: 31 May 1917

Ship	State	Description
Dirigo	United States	World War I: The four-masted barque was shelled, captured and scuttled with explosives in the Atlantic Ocean 6 nautical miles (11 km) south west of the Eddystone Lighthouse (50°09′N 4°28′W) by SM UB-23 ( Imperial German Navy) with the loss of a crew member.[419][23][420]
Esneh	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 190 nautical miles (350 km) north west by west of Tory Island, County Donegal by SM U-69 ( Imperial German Navy). Her crew survived.[421]
Jeanne Cordonnier	France	World War I: The barque was shelled and sunk in the Atlantic Ocean 150 nautical miles (280 km) west of the Isles of Scilly, United Kingdom by SM U-88 ( Imperial German Navy) with the loss of a crew member.[422]
Miyazaki Maru	Japan	World War I: The passenger ship was sunk in the Atlantic Ocean 150 nautical miles (280 km) west of the Isles of Scilly (49°05′N 9°35′W) by SM U-88 ( Imperial German Navy) with the loss of eight lives.[423][424]
N. Hadzikyiakos	Greece	World War I: The cargo ship was sunk in the Atlantic Ocean (48°00′N 12°00′W) by SM U-86 ( Imperial German Navy).[425]
Ninotto	Italy	World War I: The sailing vessel was sunk in the Strait of Sicily (36°35′N 11°06′E) by SM UC-25 ( Imperial German Navy).[426]
Ozarda	United Kingdom	World War I: The cargo ship struck a mine and was damaged in the Mediterranean Sea off Port Said, Egypt. She was beached but was later refloated, repaired and returned to service.[427]
Rosebank	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 120 nautical miles (220 km) north of Benghazi, Libya (34°09′N 19°35′E) by SM UC-73 ( Imperial German Navy) with the loss of two of her crew. Her captain was taken as a prisoner of war.[5][428]

Unknown date

List of shipwrecks: Unknown date 1917

Ship	State	Description
HMS C17	Royal Navy	The C-class submarine sank after colliding with the destroyer HMS Lurcher ( Royal Navy). She was later raised and repaired.[429]
Kasaga II	United States	The steamer was blown up and burned at unspecified location and date.[166]
SM UB-36	Imperial German Navy	World War I: The Type UB II submarine was lost on active service after 9 May. Possibly struck a mine and sank in the North Sea off West Flanders, Belgium. All 22 crew lost.
Vanetian Maid	United States	The steamer sank in the Detroit River with the loss of one life.[430][166]

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352. "Sjaelland". Uboat.net. Retrieved 25 December 2012.
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354. "Whinlatter". Uboat.net. Retrieved 4 December 2012.
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366. "Messaouda". Uboat.net. Retrieved 27 November 2012.
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368. "Norway". Uboat.net. Retrieved 27 September 2012.
369. "Risorgimento". Uboat.net. Retrieved 6 December 2012.
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373. "Umaria". Uboat.net. Retrieved 17 October 2012.
374. "Unione Salvatore". Uboat.net. Retrieved 27 November 2012.
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377. "Dartmoor". Uboat.net. Retrieved 17 December 2012.
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379. "Efstathios". Uboat.net. Retrieved 29 November 2012.
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389. "Hiram". Uboat.net. Retrieved 29 November 2012.
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394. "Turid". Uboat.net. Retrieved 15 December 2012.
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407. "Kirikos". Uboat.net. Retrieved 28 December 2012.
408. "Kodan". Uboat.net. Retrieved 28 September 2012.
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