List of shipwrecks in October 1917

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

1 October
List of shipwrecks: 1 October 1917
ShipCountryDescription
Carrabin  United Kingdom World War I: The barque was torpedoed and sunk in the Atlantic Ocean south of Daunt Rock by SM U-96 ( Imperial German Navy). Her crew survived.[1]
Etna  Italy World War I: The cargo ship was sunk in the Atlantic Ocean 110 nautical miles (200 km) south east of Madeira, Portugal (33°41′N 15°25′W) by SM U-151 ( Imperial German Navy).[2]
Ludovicos  United Kingdom World War I: The sailing vessel was scuttled in the Mediterranean Sea 7 nautical miles (13 km) south of Pissouri, Cyprus by SM U-73 ( Imperial German Navy).[3][4]
Mersario  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean (86 nautical miles (159 km) west by north of Cape Spartel, Morocco by SM U-39 ( Imperial German Navy) with the loss of three crew.[4][5]
USS Mohawk  United States Navy The cutter collided with the tanker Vennacher ( United Kingdom) in the Atlantic Ocean off Sandy Hook, New Jersey. The patrol boats USS Mohican and USS Sabalo (both  United States Navy) took off her entire crew of 77 and the stores ship USS Bridge ( United States Navy) attempted to take her her under tow, but she sank within an hour of the collision in 100 feet (30 m) of water.[6]
Neuilly  France World War I: The barque was scuttled in the Atlantic Ocean 450 nautical miles (830 km) south west of Penmarc'h, Finistère (46°14′N 13°07′W) by SM U-90 ( Imperial German Navy). Her crew survived.[7]
Normanton  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 115 nautical miles (213 km) west of Cape Spartel (35°26′N 8°15′W) by SM U-39 ( Imperial German Navy). Her crew survived.[4][8]
Saint Pierre  France World War I: The schooner was shelled and sunk in the Atlantic Ocean 60 nautical miles (110 km) north west of Ouessant, Finistère (48°30′N 10°00′W) by SM U-60 ( Imperial German Navy).[9]

2 October
List of shipwrecks: 2 October 1917
ShipCountryDescription
Almora  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 100 nautical miles (190 km) west by north of Cape Spartel, Morocco (35°37′N 7°46′W) by SM U-39 ( Imperial German Navy). Her crew survived.[4][10]
HMS Drake  Royal Navy World War I: The Drake-class cruiser was torpedoed and sunk off Rathlin Island, County Antrim by SM U-79 ( Imperial German Navy) with the loss of eighteen of her 900 crew.
Hikosan Maru  Japan World War I: The cargo ship was sunk in the Atlantic Ocean west of Cape Spartel (35°28′N 8°37′W) by SM U-39 ( Imperial German Navy). Her crew survived.[11]
Imera  Italy World War I: The cargo ship was torpedoed and sunk in the Ionian Sea off Santa Maria di Leuca, Lecce by SM UB-48 ( Imperial German Navy).[12]
Lugano  United Kingdom World War I: The cargo ship struck a mine and sank in the Atlantic Ocean 2 nautical miles (3.7 km) south west of Bull Point, County Antrim. Her crew survived.[13]
Nuceria  United Kingdom World War I: The collier was torpedoed and sunk in the Atlantic Ocean 120 nautical miles (220 km) west of Cape Spartel (35°27′N 8°25′W) by SM U-39 ( Imperial German Navy) with the loss of two crew.[4][14][15]
Trafaria  Portugal World War I: The cargo ship was sunk in the Atlantic Ocean 20 nautical miles (37 km) north north west of Cape Ortegal, Spain (45°35′N 9°3′W) by SM U-88 ( Imperial German Navy).[16]
Viajante  Portugal World War I: The barque was sunk in the Atlantic Ocean 170 nautical miles (310 km) north west of Porto Santo Island, Madeira (35°40′N 15°10′W) by SM U-151 ( Imperial German Navy).[17]
Willing Boys  United Kingdom World War I: The fishing smack struck a mine and sank in the North Sea with the loss of five of her crew.[18]

3 October
List of shipwrecks: 3 October 1917
ShipCountryDescription
Annie F. Conlon  United States World War I: The schooner was shelled and damaged in the Atlantic Ocean 15 nautical miles (28 km) south east of the Isles of Scilly, United Kingdom by SM UC-47 ( Imperial German Navy). She capsized while under tow a couple of days later in Crow Sound near Guther's Island and sank. She was salveged and moved to Lower Town, St. Martins and was beached west of West Broad Ledge, but she was subsequently declared a constructive total loss. Her crew survived.[19][20][21][22]
Baron Blantyre  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 60 nautical miles (110 km) north west by west of Cape Finisterre, Spain (43°15′N 10°30′W) by SM U-88 ( Imperial German Navy) with the loss of a crew member.[4][23]
Britannia  United Kingdom The sloop foundered in the North Sea with the loss of a crew member.[24]
Elisa  Italy World War I: The brigantine was shelled and sunk in the Tyrrhenian Sea off Cape Figari, Sardinia (41°07′N 9°47′E) by SM UC-35 ( Imperial German Navy).[25]
Ellerslie  United Kingdom The collier was lost on this date.[26]
Giuseppe Ferrante  Italy World War I: The sailing vessel was sunk in the Tyrrhenian Sea off Isola del Giglio by SM UC-35 ( Imperial German Navy).[27]
Hurst  United Kingdom World War I: The cargo ship was torpedoed and sunk in St. George's Channel 2.25 nautical miles (4.17 km) west by north of Skokholm, Pembrokeshire by SM U-96 ( Imperial German Navy). Her crew survived.[28]
Jane Knox  United Kingdom The schooner was wrecked in the Bristol Channel off Porthcawl, Glamorgan with the loss of all hands.[29]
Jeanne  France World War I: The three-masted schooner was sunk in the Bay of Biscay (46°43′N 13°23′W) by SM U-90 ( Imperial German Navy) with the loss of six of her crew.[30]
Memling  United Kingdom World War I: The 7,307 GRT cargo ship was torpedoed and sunk in the Bay of Biscay off Brest, Finistère, France by an unknown Imperial German Navy submarine.[4]
Saint Antoine  France World War I: The schooner was sunk in the Bay of Biscay (47°30′N 9°40′W) by SM U-60 ( Imperial German Navy).[31]
Stella  France World War I: The schooner was shelled and sunk in the Bay of Biscay (47°30′N 9°40′W) by SM U-60 ( Imperial German Navy) with the loss of ten crew.[32]
Tasmania  Italy World War I: The cargo ship was sunk in the English Channel 8 nautical miles (15 km) west of Prawle Point, Devon, United Kingdom by SM UC-65 ( Imperial German Navy).[33]
SM UC-14  Imperial German Navy World War I: The Type UC I submarine struck a mine and sank in the North Sea off Zeebrugge, West Flanders, Belgium (51°31′50″N 3°08′45″E) with the loss of all fourteen crew.[34]

4 October
List of shipwrecks: 4 October 1917
ShipCountryDescription
Bamalou  French Navy The naval trawler was lost on this date.[35]
Bygdønes  Norway World War I: The cargo ship was captured in the Atlantic Ocean by SM U-151 ( Imperial German Navy). She was scuttled the next day 65 nautical miles (120 km) north west of Porto Santo Island, Madeira, Portugal. Her crew survived.[36]
Constantinos Embiricos Greece World War I: The cargo ship was sunk in the Gulf of Lyon off the Île du Planier, Bouches-du-Rhône, France (42°47′N 4°10′E) by SM U-32 ( Imperial German Navy). Her crew survived.[37]
Itasca  United States The cargo ship foundered in the Atlantic Ocean.[29]
Nicolaos Roussos Greece The cargo ship was torpedoed and sunk in the Gulf of Lyon (42°46′N 4°11′E) by SM U-32 ( Imperial German Navy).[38]
Perseverance  United Kingdom World War I: The fishing smack was shelled and sunk in the Atlantic Ocean 15 nautical miles (28 km) west of the Eddystone Lighthouse by SM UB-35 ( Imperial German Navy). Her crew survived.[39]
USS Rehoboth  United States Navy The patrol vessel sprang a leak in the English Channel. Her crew were rescued by HMS Castor ( Royal Navy), which scuttled the ship.
Rupee  United Kingdom World War I: The fishing smack was shelled and sunk in the Bristol Channel 10 nautical miles (19 km) north of Lundy Island, Devon by SM U-96 ( Imperial German Navy) with the loss of four crew.[40][41]
Stella  French Navy World War I: The naval trawler struck a mine and sank in the Mediterranean Sea off Cape Bougaroni, Algeria.[42]
Young Clifford  United Kingdom World War I: The fishing smack was shelled and sunk in the Bristol Channel 12 nautical miles (22 km) north of Lundy Island by SM U-96 ( Imperial German Navy). Her crew survived.[40][43]

5 October
List of shipwrecks: 5 October 1917
ShipCountryDescription
Apache  France The auxiliary barque foundered on this date with the loss of fifteen of her nineteen crew.[29]
Bontnewydd  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 60 nautical miles (110 km) north north east of Marsa Susa, Libya (33°53′N 22°19′E) by SM U-28 ( Austro-Hungarian Navy) with the loss of three of her crew.[4][44]
Forestmoor  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 54 nautical miles (100 km) west north west of Cape Spartel, Morocco (35°57′N 7°03′W) by SM UB-51 ( Imperial German Navy) with the loss of 22 crew.[4][45]
Galley  United Kingdom The ketch foundered on this date. Her crew survived.[29]
SM UB-41  Imperial German Navy World War I: The Type UB II submarine struck a mine and sank in the North Sea off Scarborough, Yorkshire, United Kingdom with the loss of all 22 crew.

6 October
List of shipwrecks: 6 October 1917
ShipCountryDescription
Bedale  United Kingdom World War I: The collier was torpedoed and sunk in the Atlantic Ocean 25 nautical miles (46 km) south east by south of Mine Head, Cornwall by SM U-96 ( Imperial German Navy) with the loss of three of her crew.[4][26][46]
Civilian  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 15 nautical miles (28 km) north of Alexandria, Egypt by SM UC-74 ( Imperial German Navy) with the loss of two of her crew.[4][47]
Citta di Bari  Italy World War I: The passenger ship was sunk in the Ionian Sea 37 nautical miles (69 km) off Paxos, Greece by SM UB-48 ( Imperial German Navy).[48]
SMS Fortuna  Imperial German Navy The captured schooner ran aground at Hanga Roa, Easter Island. Her crew survived.[49]
Lamartine  France World War I: The barquentine was shelled and sunk in the Atlantic Ocean 60 nautical miles (110 km) south west of The Lizard, Cornwall by SM UC-69 ( Imperial German Navy).[50]
SMS T54  Imperial German Navy World War I: The S7-class torpedo boat struck a mine and sank in the Baltic Sea with the loss of seven of her crew.[51]
Victorine  France World War I: The barque was shelled and damaged in the Atlantic Ocean 96 nautical miles (178 km) north west of Cape Ortegal, Spain (44°50′N 9°30′W) by SM U-89 ( Imperial German Navy). She sank the next day.[52]

7 October
List of shipwrecks: 7 October 1917
ShipCountryDescription
Alcyon  United Kingdom World War I: The sailing vessel was scuttled in the English Channel 12 nautical miles (22 km) west north west of Boulogne, Pas-de-Calais, France by SM UB-57 ( Imperial German Navy). Her crew survived.[4][53]
Georgios Greece World War I: The barque was sunk in the Mediterranean Sea north east of Misrata, Libya by SM UC-73 ( Imperial German Navy).[54]
SMS M31  Imperial German Navy World War I: The Type 1915 minesweeper struck a mine and sank in the Baltic Sea off Latvia.[55][56]
Reliance  United Kingdom World War I: The drifter struck a mine and sank in the North Sea with the loss of ten of her crew.[57]
SM U-106  Imperial German Navy World War I: The Type U 93 submarine struck a mine and sank in the North Sea 40 nautical miles (74 km) north of Terschelling, Friesland, Netherlands with the loss of all 41 crew.

8 October
List of shipwrecks: 8 October 1917
ShipCountryDescription
Aylevarroo  United Kingdom World War I: The coaster was sunk in the Atlantic Ocean off Ballycottin Island, County Cork (51°45′N 7°51′W) by SM U-57 ( Imperial German Navy) with the loss of all twenty crew.[58]
HMT Ben Heilem  Royal Navy The naval trawler was lost on this date.[26]
Greldon  United Kingdom World War I: The cargo ship was torpedoed and sunk in St. George's Channel 7 nautical miles (13 km) east north east of the North Arklow Lightship ( United Kingdom) by SM U-96 ( Imperial German Navy) with the loss of 28 crew.[4][59]
Memphian  United Kingdom World War I: The cargo liner was torpedoed and sunk in St. George's Channel 7 nautical miles (13 km) east north east of the North Arklow Lightship ( United Kingdom) by SM U-96 ( Imperial German Navy) with the loss of 32 crew.[60]
Richard de Larrinaga  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 15 nautical miles (28 km) south east of Ballycottin Island by SM U-57 ( Imperial German Navy) with the loss of 35 crew.[4][61]

9 October
List of shipwrecks: 9 October 1917
ShipCountryDescription
HMS Champagne  Royal Navy World War I: The armed merchant cruiser was torpedoed and sunk in the Irish Sea 8 nautical miles (15 km) south west of the Calf of Man, Isle of Man (54°17′N 5°10′W) by SM U-96 ( Imperial German Navy) with the loss of 58 of her 305 crew.[62] Survivors were rescued by the Peel and Port St. Mary Lifeboats.[63]
Main  United Kingdom World War I: The coaster was shelled and sunk in Luce Bay 1.5 nautical miles (2.8 km) east of Drummore, Wigtownshire by SM UC-75 ( Imperial German Navy) with the loss of twelve of her crew. She was refloated on 7 August 1920, repaired, and returned to service in August 1922.[64]
Nervier  Belgium World War I: The cargo ship was torpedoed, shelled and damaged off the Orkney Islands by SM U-101 ( Imperial German Navy). She sank on 12 October with loss of all hands.[65]
Niki Greece World War I: The coaster was sunk in the Ionian Sea 30 nautical miles (56 km) north of Cape Matapan by SM UB-48 ( Imperial German Navy). Her crew survived.[66]
Peshawur  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Irish Sea 7 nautical miles (13 km) south east of Ballyquintin Point, County Down by SM U-96 ( Imperial German Navy) with the loss of eleven of her crew.[4][67]
Poldown  United Kingdom World War I: The collier struck a mine and sank in the Atlantic Ocean 2 nautical miles (3.7 km) west south west of Trevose Head, Cornwall (50°31′N 5°05′W) by SM UC-51 ( Imperial German Navy) with the loss of eighteen of her crew.[14][68]
San Blas  Panama The cargo ship sank at Bocas Town, Bocas del Toro.[69]

10 October
List of shipwrecks: 10 October 1917
ShipCountryDescription
Carl  Imperial German Navy The three-masted sailing ship was beached and abandoned in Constantine Bay, north Cornwall while being towed to London during a storm.[70]
HMS Bostonian  Royal Navy World War I: The escort ship was torpedoed and sunk in the English Channel 34 nautical miles (63 km) south by east of Start Point by SM U-53 ( Imperial German Navy) with the loss of four crew.[4][26][71]
Gowrie  United Kingdom World War I: The cargo ship was torpedoed and sunk in the English Channel 14 nautical miles (26 km) north east of Cherbourg, Seine-Inférieure, France by SM U-53 ( Imperial German Navy). Her crew survived.[4][72]
Transporteur  France World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 30 nautical miles (56 km) off Malta (35°29′N 14°58′E) by SM U-32 ( Imperial German Navy) with the loss of a crew member.[73]
HMT Waltham  Royal Navy The naval trawler was lost on this date.[14]

11 October
List of shipwrecks: 11 October 1917
ShipCountryDescription
Aghios Georgios  Russia World War I: The ship was sunk in the Black Sea by SM UB-42 ( Imperial German Navy).[74]
Baychattan  United Kingdom World War I: The cargo ship was torpedoed and sunk in the English Channel 0.5 nautical miles (930 m) south south west of Prawle Point, Devon by SM UC-50 ( Imperial German Navy). Her crew survived.[75]
Cayo Bonito  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Gulf of Genoa 4 nautical miles (7.4 km) east north east of Savona, Liguria, Italy (44°14′N 8°30′E) by SM UC-35 ( Imperial German Navy) with the loss of six of her crew.[4][76]
Elve  United Kingdom World War I: The coaster was shelled and sunk in the Atlantic Ocean off Cape Finisterre, Spain (46°23′N 11°19′W) by SM U-22 ( Imperial German Navy). Her 29 crew took to the lifeboats but did not survive.[77]
Italia  Italy World War I: The cargo ship was sunk in the Gulf of Genoa 4 nautical miles (7.4 km) east north east of Savona (44°14′N 8°30′E) by SM UC-35 ( Imperial German Navy).[78]
Joshua  United Kingdom World War I: The sailing vessel was scuttled in the English Channel west of the Isle of Wight by SM UB-57 ( Imperial German Navy) with the loss of three crew.[79]
HMY Kethailes  Royal Navy The naval yacht collided with SS Leicestershire and sank in the Irish Sea off the Blackwater Lightship ( United Kingdom).[80]
Lewis Luckenbach  United States World War I: The cargo ship was sunk in the English Channel 10 nautical miles (19 km) west of the Île Vierge, Finistère, France (48°47′N 4°43′W) by SM U-53 ( Imperial German Navy) with the loss of ten crew.[81]
Lovli  Italy World War I: The cargo ship was sunk in the Gulf of Genoa (44°14′N 8°29′E) by SM UC-35 ( Imperial German Navy).[82]
Mira  United Kingdom World War I: The tanker struck a mine and sank in the English Channel 4 nautical miles (7.4 km) off Beachy Head, Sussex (50°41′N 0°09′E). Her crew survived.[83]
Panormitis  France World War I: The sailing vessel was sunk in the Mediterranean Sea off the coast of Egypt by SM UC-74 ( Imperial German Navy). Her crew survived.[84]
Rhodesia  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Bristol Channel 7 nautical miles (13 km) south east by south of the Coningbeg Lightship ( United Kingdom) by SM U-61 ( Imperial German Navy) with the loss of four crew.[4][85]

12 October
List of shipwrecks: 12 October 1917
ShipCountryDescription
Cape Corso  United Kingdom World War I: The cargo ship was torpedoed and damaged in the Irish Sea 9 nautical miles (17 km) off the St. Govan Lightship ( United Kingdom) by SM U-57 ( Imperial German Navy) with the loss of thirteen crew. Although she subsequently broke her back, she was repaired and returned to service.[86]
Georgios Markettos Greece World War I: The cargo ship was sunk in the Irish Sea 4 nautical miles (7.4 km) off the St. Govan Lightship ( United Kingdom) by SM U-57 ( Imperial German Navy). Her crew survived.[87]
Peebles  United Kingdom World War I: The cargo ship was torpedoed and sunk in the North Sea 14 nautical miles (26 km) off Flamborough Head, Yorkshire by SM UB-18 ( Imperial German Navy). Her crew survived.[88]
Themis  Norway World War I: The cargo ship was sunk in the Mediterranean Sea 22 nautical miles (41 km) north of Cape Bon, Algeria (37°26′N 11°04′E) by SM UB-51 ( Imperial German Navy).[89]
W. M. Barkley  United Kingdom World War I: The coaster was torpedoed and sunk in the Irish Sea 7 nautical miles (13 km) east of the Kish Lightship ( United Kingdom) by SM UC-75 ( Imperial German Navy) with the loss of four of her crew.[90]
Hirondelle  France The steamer was lost after running aground off Sark during a voyage from Le Havre to St. Malo and St. Brieux carrying petrol.[89]

13 October
List of shipwrecks: 13 October 1917
ShipCountryDescription
Alavi  United Kingdom World War I: The cargo ship was shelled and sunk in the Mediterranean Sea 6 nautical miles (11 km) north east of Cape Palos, Murcia, Spain (37°40′N 0°34′W) by SM U-35 ( Imperial German Navy) with the loss of thirteen crew.[4][91]
Bethel  Norway World War I: The sailing vessel was sunk in the North Sea (56°08′N 0°58′E) by SM UB-58 ( Imperial German Navy). Her crew survived.[92]
Caprera  Italy World War I: The cargo ship was sunk in the Atlantic Ocean 60 nautical miles (110 km) west of Casablanca, Morocco (33°53′N 8°45′W) by SM U-151 ( Imperial German Navy).[93] Her 45 crew were rescued by Ernesto ( Spain).[94]
Despina G. Michalinos Greece World War I: The cargo ship was sunk in the Mediterranean Sea off Carthagena, Spain (37°42′N 0°33′W) by SM U-35 ( Imperial German Navy).[95]
Doris  Italy World War I: The cargo ship was sunk in the Mediterranean Sea off Cape Palos (37°46′N 0°38′W) by SM U-35 ( Imperial German Navy).[96]
Diu  Portugal World War I: The cargo ship was sunk in the Atlantic Ocean 4 nautical miles (7.4 km) off the Tuskar Rock, Ireland by SM U-57 ( Imperial German Navy).[97]
Eskmere  United Kingdom World War I: The collier was torpedoed and sunk in the Irish Sea 15 nautical miles (28 km) west north west of South Stack, Anglesey by SM UC-75 ( Imperial German Navy) with the loss of 20 of her crew.[4][26][98]
Esmerelda  Sweden World War I: The barque was sunk in the North Sea[99] by SM UB-58 ( Imperial German Navy). Her crew survived.[100]
Lilla  Italy World War I: The cargo ship was sunk in the Mediterranean Sea off Carthagena (37°45′N 0°38′W) by SM U-35 ( Imperial German Navy). Her crew survived.[101]
Woodburn  United Kingdom World War I: The cargo ship was torpedoed and damaged in the English Channel 3 nautical miles (5.6 km) south east of The Lizard, Cornwall by SM U-62 ( Imperial German Navy). She was beached at Falmouth. Later refloated, repaired and returned to service.[102]

14 October
List of shipwrecks: 14 October 1917
ShipCountryDescription
Barbro  Norway World War I: The cargo ship was sunk in the Atlantic Ocean 13 nautical miles (24 km) north north west of the Île de Batz, Finistère, France (48°55′N 4°14′W) by SM UC-48 ( Imperial German Navy) with the loss of two of her crew.[103]
Castro Greece World War I: The cargo ship was sunk in the Atlantic Ocean 10 nautical miles (19 km) north north east of Brignogan, Finistère by SM UC-48 ( Imperial German Navy). Her crew survived.[104]
HMT Clyde  Royal Navy The naval trawler collided with another vessel and sank in the English Channel off Sidmouth, Devon.[105]
Delphin  Imperial German Navy The Vorpostenboot was lost on this date.[106]
Ecaterini C. D. Greece World War I: The cargo ship was sunk in the Atlantic Ocean (46°49′N 12°21′W) by SM U-105 ( Imperial German Navy).[107]
East Wales  United Kingdom World War I: The cargo ship was shelled and sunk in the Atlantic Ocean 8 nautical miles (15 km) south by west of Daunts Rock (51°40′N 8°13′W) by SM U-57 ( Imperial German Navy) with the loss of three crew.[4][108]
Grom  Imperial Russian Navy World War I: The Azard-class destroyer was shelled and damaged in Moon Sound in the Gulf of Riga by SMS Kaiser and SMS V100 (both  Imperial German Navy) and was abandoned. She was captured and taken in tow by V100 but consequently foundered.[51][109]
Lido G.  Italy World War I: The coaster was sunk in the Mediterranean Sea north east of Misrata, Libya by SM UC-73 ( Imperial German Navy).[110]
Semantha  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 10 nautical miles (19 km) north west by north of Cape St. John, Crete, Greece by SM UC-74 ( Imperial German Navy) with the loss of 32 of her crew.[111]
SM UC-62  Imperial German Navy World War I: The Type UC II submarine struck a mine and sank in the North Sea off Zeebrugge, West Flanders, Belgium with the loss of all 26 crew.
Valparaiso  Italy World War I: The cargo ship was torpedoed and sunk off Marsa Susa, Libya (36°56′N 21°58′E) by SM UB-48 ( Imperial German Navy). The wreck was raised in 1928 and sold for scrap in January 1930.[112]

15 October
List of shipwrecks: 15 October 1917
ShipCountryDescription
HMT Active III  Royal Navy World War I: The naval trawler struck a mine and sank in the Irish Sea between Grassholm and Skokholm, Pembrokeshire with the loss of all ten crew.[113]
USS Cassin  United States Navy World War I: Action of 15 October 1917: The Cassin-class destroyer was torpedoed and damaged in the Atlantic Ocean 20 nautical miles (37 km) south of Mine Head, County Cork, United Kingdom by SM U-61 ( Imperial German Navy) with the loss of a crew member. She was taken in tow by HMS Snowdrop ( Royal Navy). Subsequently repaired and returned to service.
Champagne  French Navy World War I: The passenger ship was torpedoed and sunk in the Irish Sea with the loss of 56 lives.[114]
Garthclyde  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 12 nautical miles (22 km) west of The Lizard, Cornwall (49°55′N 5°30′W) by SM UC-79 ( Imperial German Navy). Her crew survived.[115]
Hartburn  United Kingdom World War I: The cargo ship struck a mine and sank in the English Channel 10 nautical miles (19 km) south of Anvil Point, Dorset with the loss of three of her crew.[116]
Hovde  Norway World War I: The cargo ship was sunk in the Atlantic Ocean 11 nautical miles (20 km) north west of the Île de Batz, Finistère, France by SM UC-48 ( Imperial German Navy) with the loss of a crew member.[117]
Saint Paul  France World War I: The sailing vessel was shelled and sunk in the Bay of Biscay (46°29′N 10°26′W) by SM U-105 ( Imperial German Navy) with the loss of a crew member.[118]
St. Helens  United States World War I: The cargo ship was sunk in the Atlantic Ocean 100 nautical miles (190 km) west north west of Cape Vilano, Spain (45°57′N 11°19′W) by SM U-105 ( Imperial German Navy) with the loss of 24 crew.[119]
White Head  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 14 nautical miles (26 km) north north east of Suda Bay, Crete, Greece (36°13′N 24°33′E) by SM UC-74 ( Imperial German Navy) with the loss of 23 of her crew.[120]

16 October
List of shipwrecks: 16 October 1917
ShipCountryDescription
SMS Eber  Imperial German Navy World War I: The gunboat was scuttled at Salvador, Bahia, Brazil.
Est  Imperial Russian Navy World War I: The cargo ship was sunk in the Baltic Sea off Ekenäs, Finland (59°51′N 23°46′E) by SM UC-60 ( Imperial German Navy).[121]
Jennie E. Righter  United States World War I: The three-masted schooner was scuttled after being shelled in the Atlantic Ocean north west of Spain (43°54′N 10°02′W) by SM U-22 ( Imperial German Navy). Her crew survived.[122]
SMS T56  Imperial German Navy The S7-class torpedo boat ran aground and sank in the Baltic Sea.[51]

17 October
List of shipwrecks: 17 October 1917
ShipCountryDescription
Adams  United Kingdom World War I: The cargo ship was torpedoed and sunk in the English Channel 6 nautical miles (11 km) south east by east of The Lizard, Cornwall (49°54′N 5°04′W) by SM U-62 ( Imperial German Navy). Her crew survived.[123]
USAT Antilles  United States Army World War I: The troopship was torpedoed and damaged in the Bay of Biscay (48°10′N 11°15′W) by SM U-105 ( Imperial German Navy) with the loss of 67 lives. Survivors were rescued by USS Corsair ( United States Navy) and the ship was scuttled.[124][125]
California  United Kingdom World War I: The passenger ship was torpedoed and sunk in the Atlantic Ocean 145 nautical miles (269 km) north north west of Cape Villano, Spain (45°00′N 11°26′W) by SM U-22 ( Imperial German Navy) with the loss of four lives.[4][126]
Dagbjørg  Norway World War I: Action off Lerwick: The steamship was sunk in the North Sea off Lerwick, Shetland Islands, United Kingdom by German warships. She was on a voyage from Risør to Hartlepool, County Durham, United Kingdom.[127]
H.Wicander  Sweden World War I: Action off Lerwick: The cargo ship was shelled and sunk with the loss of sixteen crew off Lerwick.[128] by SMS Bremse and SMS Brummer (both  Imperial German Navy).[129]
Goorkha  Royal Navy World War I: Mines from SM UC-25 ( Imperial German Navy) damaged the British hospital ship off Malta (35°57′N 14°40′E). The ship was towed into Malta, decommissioned and returned to its owners, Union Castle, for repair.
Habil  Norway World War I: Action off Lerwick: The coaster was shelled and sunk in the North Sea off Lerwick, Shetland Islands, United Kingdom by SMS Bremse and SMS Brummer (both  Imperial German Navy).[129]
Kristine  Norway World War I: Action off Lerwick: The coaster was shelled and sunk in the North Sea off Lerwick by SMS Bremse and SMS Brummer (both  Imperial German Navy) with the loss of ten of her eleven crew.[129]
HMT Jean  Royal Navy The naval trawler was lost in the Mediterranean Sea on this date.[26]
Manchuria  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 60 nautical miles (110 km) west of Ouessant, Finistère, France by SM U-53 ( Imperial German Navy) with the loss of 26 crew.[4][130]
Margrethe  Denmark World War I: Action off Lerwick: The steamship was sunk off Lerwick by German warships.[131]
HMS Mary Rose  Royal Navy World War I: Action off Lerwick: The M-class destroyer was shelled and sunk in the North Sea off Lerwick by SMS Bremse and SMS Brummer (both  Imperial German Navy) with the loss of 88 of her 98 crew.[129]
Polvena  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 25 nautical miles (46 km) north by east of Ouessant (48°55′N 5°10′W) by SM U-53 ( Imperial German Navy) with the loss of three crew.[4][132]
HMT Ruby  Royal Navy World War I: The naval trawler was torpedoed and sunk in the Atlantic Ocean off Ouessant (48°50′N 5°10′W) by SM UC-79 ( Imperial German Navy) with the loss of all eighteen crew.[133]
Silja  Norway World War I: Action off Lerwick: The cargo ship was shelled and sunk in the North Sea off Lerwick by SMS Bremse and SMS Brummer (both  Imperial German Navy).[129]
Slava  Imperial Russian Navy
The wreck of Slava
World War I: Battle of Moon Sound: After the battleship SMS König ( Imperial German Navy) inflicted heavy damage on her with gunfire, the Borodino-class battleship suffered a magazine explosion and was scuttled by scuttling charges and torpedoeing by Turkmenets-Stavropolskiy ( Imperial Russian Navy) in Moon Sound off Muhu the coast of Estonia. The wreck was scrapped in 1935.[134]
Sørhaug  Norway World War I: Action off Lerwick: The cargo ship was shelled and sunk in the North Sea off Lerwick by SMS Bremse and SMS Brummer (both  Imperial German Navy).[129]
Stella  Denmark World War I: Action off Lerwick: The coaster was shelled and sunk in the North Sea off Lerwick by SMS Bremse and SMS Brummer (both  Imperial German Navy).[129]
HMS Strongbow  Royal Navy World War I: Action off Lerwick: The R-class destroyer was shelled and sunk in the North Sea off Lerwick by SMS Bremse and SMS Brummer (both  Imperial German Navy) with the loss of 47 of her crew.[129]
Visbur  Sweden World War I: Action off Lerwick: The cargo ship was shelled and sunk in the North Sea off Lerwick, Shetland Islands, United Kingdom[128] by SMS Bremse and SMS Brummer (both  Imperial German Navy).[129] All her crew survived the lifeboat trip back to Norway.

18 October
List of shipwrecks: 18 October 1917
ShipCountryDescription
Altair  Norway World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 8 nautical miles (15 km) north east by north of Newquay, Cornwall, United Kingdom (50°31′N 5°17′W) by SM UC-64 ( Imperial German Navy) with the loss of five of her crew.[135]
Amsteldam  United Kingdom World War I: The cargo ship was torpedoed and sunk in the North Sea 6 nautical miles (11 km) north of Flamborough Head, Yorkshire by SM UB-21 ( Imperial German Navy) with the loss of four of her crew.[4][136]
Anna Scotto  Italy World War I: The coaster struck a mine and sank in the Mediterranean Sea off Capo Isole delle Correnti, Sicily.[137]
Cadmus  United Kingdom World War I: The cargo ship was torpedoed and sunk in the North Sea 20 nautical miles (37 km) south by east of Flamborough Head by SM UC-47 ( Imperial German Navy). Her crew survived.[4][138]
HMT Comrades  Royal Navy World War I: The naval trawler struck a mine and sank in the English Channel off Cap d'Antifer, Seine-Inférieure, France by SM UC-65 ( Imperial German Navy). Her crew survived.[139]
Itero  Norway The cargo ship foundered in the Atlantic Ocean 500 nautical miles (930 km) west of Cape Finisterre, Spain. Thirty-one of her crew were rescued by a Spanish fishing vessel.[140]
Lorenzo  Italy World War I: The cargo ship was sunk in the Atlantic Ocean west of Gibraltar by SM U-35 ( Imperial German Navy). Her crew survived.[141]
Macao  Brazil World War I: The cargo ship was sunk in the Atlantic Ocean 200 nautical miles (370 km) off Cape Finisterre, Spain (45°41′N 10°43′W) by SM U-93 ( Imperial German Navy).[142]
Madura  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 23 nautical miles (43 km) west south west of the Bishop Rock, Isles of Scilly (49°36′N 6°56′W) by SM U-62 ( Imperial German Navy) with the loss of three crew.[143]
SMS S64  Imperial German Navy World War I: The V25-class torpedo boat struck a mine and sank in the Baltic Sea.[51]
Sten  United Kingdom World War I: The coaster was torpedoed and sunk in the Atlantic Ocean 5 nautical miles (9.3 km) north of the Godrevy Lighthouse, Cornwall (50°19′N 5°26′W) by SM UC-64 ( Imperial German Navy) with the loss of nine of her crew.[4][144]
SMS T66  Imperial German Navy World War I: The S66-class torpedo boat struck a mine and sank in the Gulf of Riga.[51]
Togston  United Kingdom World War I: The cargo ship was torpedoed and sunk in the North Sea 20 nautical miles (37 km) south by east of Flamborough Head (53°40′N 0°12′E) by SM UC-47 ( Imperial German Navy) with the loss of five of her crew.[4][145]

19 October
List of shipwrecks: 19 October 1917
ShipCountryDescription
Australdale  Australia World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 165 nautical miles (306 km) north north west of Cape Villano, Spain (45°24′N 11°32′W) by SM U-22 ( Imperial German Navy) with the loss of 27 crew.[146]
Britannia  United Kingdom World War I: The cargo ship was sunk in the English Channel off Portland Bill, Dorset by SM UC-75 ( Imperial German Navy) with the loss of all 22 crew.[147]
Camswan  United Kingdom The cargo ship collided with another vessel and sank. Her crew were rescued.[148]
Cupica  United Kingdom World War I: The auxiliary barque was shelled and sunk in the Atlantic Ocean 75 nautical miles (139 km) west by south of the Bishop Rock, Isles of Scilly by SM U-107 and SM UC-79 (both  Imperial German Navy). Her crew survived.[4][149]
Eldra  United Kingdom World War I: The barquentine was scuttled in the English Channel 25 nautical miles (46 km) north west of Le Tréport, Seine-Inférieure, France by SM UC-77 ( Imperial German Navy). Her crew survived.[4][150]
Elsiston  United Kingdom World War I: The collier was torpedoed and sunk in the Mediterranean Sea 150 nautical miles (280 km) east by south of Malta (35°40′N 17°28′E) by SM U-14 ( Austro-Hungarian Navy) with the loss of a crew member.[4][26][151]
Gemma  United Kingdom World War I: The cargo ship was torpedoed and sunk in the North Sea 5 nautical miles (9.3 km) north by west of Flamborough Head, Yorkshire by SM UB-21 ( Imperial German Navy) with the loss of four of her crew.[4][152]
Good Hope  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 125 nautical miles (232 km) east by south of Malta (35°53′N 17°05′E) by SM U-14 ( Austro-Hungarian Navy). Her crew survived.[4][153]
Harpon  France World War I: The cargo ship was damaged in the Atlantic Ocean off the coast of Río de Oro (24°22′N 15°50′W) by SM U-151 ( Imperial German Navy). She was beached but was declared a constructive total loss. Her crew survived.[154]
Hazelwood  United Kingdom World War I: The cargo ship struck a mine and sank in the English Channel 8 nautical miles (15 km) south by east of Anvil Point, Dorset with the loss of 32 of her crew.[155]
Ikoma Maru  Japan World War I: The cargo ship was sunk in the Atlantic Ocean 30 nautical miles (56 km) off Cap Cantin, Morocco by SM U-35 ( Imperial German Navy). Her crew survived.[156]
J. L. Luckenbach  United States World War I: The ocean liner was torpedoed and damaged in the Atlantic Ocean by SM U-62 ( Imperial German Navy). She was escorted to Le Havre, Seine-Inférieure, France by the destroyer USS Nicholson ( United States Navy). Subsequently repaired and returned to service.
Martha  Denmark World War I: The barque was shelled and sunk in the North Sea (61°12′N 2°10′W) by SM UB-66 ( Imperial German Navy). Her ten crew took to the lifeboats but were not rescued.[157]
HMS Orama  Royal Navy World War I: The armed merchant cruiser was sunk in the Atlantic Ocean (48°00′N 9°20′W) by SM U-62 ( Imperial German Navy) with the loss of five crew.[158] USS Jacob Jones ( United States Navy) rescued 305 survivors.[159]
Parkhaven  Netherlands World War I: The cargo ship was sunk in the North Sea 15 nautical miles (28 km) off the Noord Hinder Lightship ( Netherlands) (52°16′N 2°46′E) by SM U-53 ( Imperial German Navy).[160]
Pera  United Kingdom World War I: The collier was torpedoed and sunk in the Mediterranean Sea 105 nautical miles (194 km) east by north of Marsa Susa, Libya (37°16′N 24°00′E) by SM UB-48 ( Imperial German Navy) with the loss of a crew member.[4][14][161]
Renard  French Navy World War I: The naval trawler struck a mine and sank in the Atlantic Ocean south east of Ouessant, Finistère (48°28′N 4°58′W) with the loss of eleven of her crew. Survivors were rescued by 260 ( French Navy).[162]
Slavonic  Russia World War I: The cargo ship struck a mine and sank in the North Sea off Lerwick, Shetland Islands, United Kingdom.[163]
Staro  Norway World War I: The cargo ship was sunk in the Atlantic Ocean (45°00′N 12°07′W) by SM U-22 ( Imperial German Navy). Her crew survived.[164]
Teespool  United Kingdom World War I: The cargo ship was damaged in the English Channel 3 nautical miles (5.6 km) south east of Dartmouth, Devon by SM UB-38 ( Imperial German Navy) with the loss of four of her crew. She was beached but was later refloated.[165]
Waikawa  United Kingdom World War I: The cargo ship was torpedoed and sunk in the English Channel 4 nautical miles (7.4 km) east north east of Start Point, Devon by SM UB-31 ( Imperial German Navy). Her crew survived.[4][166]
War Clover  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 25 nautical miles (46 km) east north east of Pantellaria, Italy (37°00′N 12°35′E) by SM U-64 ( Imperial German Navy) with the loss of fourteen crew.[4][167]
Wellington  United Kingdom World War I: the cargo ship was torpedoed and damaged in the English Channel 5 nautical miles (9.3 km) south south east of Portland Bill by SM UB-40 ( Imperial German Navy). She was taken in tow by HMT Flo Johnson ( Royal Navy and beached at Portland. Later repaired and returned to service.[168]

20 October
List of shipwrecks: 20 October 1917
ShipCountryDescription
Algarve  United Kingdom World War I: The cargo ship was torpedoed and sunk in the English Channel 15 nautical miles (28 km) south west of Portland Bill, Dorset by SM UB-38 ( Imperial German Navy) with the loss of 21 of her crew.[4][169]
Collegian  United Kingdom World War I: The collier was torpedoed and sunk in the Mediterranean Sea 100 nautical miles (190 km) north west by north of Alexandria, Egypt (32°35′N 28°41′E) by SM UB-48 ( Imperial German Navy). Her crew survived.[4][26][170]
Colorado  United Kingdom World War I: The cargo ship was torpedoed and sunk in the English Channel 1.5 nautical miles (2.8 km) east of Start Point, Devon by SM UB-31 ( Imperial German Navy) with the loss of four crew.[171]
Ionian  United Kingdom World War I: The passenger ship struck a mine and sank in the Irish Sea 2 nautical miles (3.7 km) west of St. Govan's Head, Pembrokeshire (51°35′N 4°59′W) with the loss of seven lives.[172]
Leander  Norway World War I: The cargo ship was sunk in the North Sea 3.5 nautical miles (6.5 km) north north east of Flamborough Head, Yorkshire, United Kingdom by SM UB-57 ( Imperial German Navy) with the loss of a crew member.[173]
Moyori Maru  Japan World War I: The cargo ship was sunk in the Atlantic Ocean 30 nautical miles (56 km) off Cape Barbas, Morocco (22°17′N 17°14′W) by SM U-151 ( Imperial German Navy).[174]
Nitedal  Norway World War I: The cargo ship was sunk in the North Sea 4 nautical miles (7.4 km) east south east of Flamborough Head by SM UB-57 ( Imperial German Navy) with the loss of twelve crew.[175]
Norden  Sweden World War I: The barque was sunk in the North Sea by SM U-57 ( Imperial German Navy).[176] The crew of 12 was not rescued.[177]
Snetinden  Norway World War I: The cargo ship was sunk in the Atlantic Ocean north west of Spain (45°35′N 11°10′W) by SM U-22 ( Imperial German Navy). Her crew survived.[178]
HMT Thomas Stratten  Royal Navy World War I: The naval trawler struck a mine and sank in the Atlantic Ocean off the Butt of Lewis, Outer Hebrides with the loss of eight crew.[179]
Virginia Gentile  Italy World War I: The sailing vessel was scuttled in the Malta Channel by SM UC-25 ( Imperial German Navy).[180]
HMT Vitality  Royal Navy World War I: The naval trawler struck a mine and sank in the North Sea off Lowestoft, Suffolk with the loss of two of her crew.[181]

21 October
List of shipwrecks: 21 October 1917
ShipCountryDescription
Anglo Dane  Denmark World War I: The coaster struck a mine and sank in the North Sea 0.75 nautical miles (1.39 km) off the Bressay Lighthouse, Shetland Islands, United Kingdom with the loss of a crew member.[182]
Bunty  United Kingdom World War I: The tug struck a mine and sank in the North Sea off Whitby, Yorkshire with the loss of five of her crew.[183]
Flynderborg  Denmark World War I: The cargo ship was torpedoed and sunk in the North Sea 3 nautical miles (5.6 km) south east of the Bressay Lighthouse by SM UC-40 ( Imperial German Navy). Her crew survived.[184]
Gryfevale  United Kingdom World War I: The cargo ship was shelled and sunk in the Atlantic Ocean 10 nautical miles (19 km) off Cap Blanc, Mauritania (21°08′N 17°04′W) by SM U-151 ( Imperial German Navy). Her crew survived.[185]
HMS Marmion  Royal Navy The Admiralty M-class destroyer collided with HMS Tirade ( Royal Navy) and sank off the Shetland Islands.[51]
SMS T66  Imperial German Navy World War I: The S66-class torpedo boat struck a mine and was damaged in the North Sea off the Belgian coast. She was consequently found to be a total loss.[51]
Tom Roper  United Kingdom World War I: The topsail schooner was scuttled in the English Channel 20 nautical miles (37 km) south south east of Start Point by SM UC-79 ( Imperial German Navy) with the loss of a crew member.[186]

22 October
List of shipwrecks: 22 October 1917
ShipCountryDescription
HMS C32  Royal Navy World War I: The C-class submarine ran aground in the Gulf of Riga and was scuttled.
SMS Gluckstadt  Imperial German Navy The naval drifter/Vorpostenboot was lost on this date.[187]
SMS Gutheil  Imperial German Navy The naval drifter/Vorpostenboot was lost on this date.[187]
Novillo  Denmark World War I: The cargo ship was sunk in the North Sea 8 nautical miles (15 km) north of Scarborough, Yorkshire, United Kingdom by SM UB-57 ( Imperial German Navy) with the loss of four crew.[188]
Zillah  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Barents Sea 25 nautical miles (46 km) north east of Kildin Island, Russia by SM U-46 ( Imperial German Navy) with the loss of eighteen crew.[4][189]

23 October
List of shipwrecks: 23 October 1917
ShipCountryDescription
Capo di Monte  Italy World War I: The cargo ship was sunk in the Mediterranean Sea 100 nautical miles (190 km) west of Heraklion, Crete, Greece (34°53′N 19°50′E) by SM U-14 ( Austro-Hungarian Navy).[190]
Corne  French Navy The naval trawler was lost on this date.[35]
HMT Earl Lennox  Royal Navy World War I: The naval trawler struck a mine and sank south of Islay Sound (55°45′N 5°57′W) with the loss of seven crew.[191]
Monitor  United States The steamer was sunk in the Monongahela River one mile (1.6 km) above Lock No. 4 in a collision with barges under the tow of Duquesne ( United States). At least one crewman was killed. Monitor was raised, repaired and returned to service on 20 February 1918.[192][193]
Perim  United Kingdom The cargo ship collided with another British merchant ship and sank in the Mediterranean Sea off Barcelona, Spain.[148]
Seistan  United Kingdom World War I: The collier was torpedoed and sunk in the North Sea 3.5 nautical miles (6.5 km) north by west of Flamborough Head, Yorkshire (54°09′N 0°08′W) by SM UB-57 ( Imperial German Navy) with the loss of five of her crew.[4][14][194]
Tredegar Hall  United Kingdom World War I: The cargo ship was torpedoed and sunk in the North Sea 4.5 nautical miles (8.3 km) east south east of Flamborough Head by SM UB-57 ( Imperial German Navy) with the loss of three of her crew.[195]

24 October
List of shipwrecks: 24 October 1917
ShipCountryDescription
SMS F3  Imperial German Navy The F Type minesweeping boat was lost on this date.[196]
Franklin  United Kingdom The ship capsized off The Mumbles, Glamorgan with the loss of four of her thirteen crew. Survivors were rescued by the pilot cutter Beaufort ( United Kingdom). The wreck was raised in April 1918.[197]
Gallia  Italy World War I: The cargo ship was sunk in the English Channel 24 nautical miles (44 km) west north west of Portland Bill, Dorset, United Kingdom by SM UB-40 ( Imperial German Navy). Her crew survived.[198]
Ilderton  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Barents Sea 35 nautical miles (65 km) north east of Kildin Island, Russia (69°46′N 35°24′E) by SM U-46 ( Imperial German Navy). Her crew survived.[4][199]
Novington  United Kingdom World War I: The cargo ship was torpedoed and damaged in the North Sea 25 nautical miles (46 km) east of Bard Island, Shetland Islands by SM UC-40 ( Imperial German Navy). She was beached but was later refloated.[200]
Ulfsborg  Denmark World War I: The cargo ship was sunk in the Bay of Biscay (46°03′N 1°43′W) by SM UC-63 ( Imperial German Navy) with the loss of seventeen of her crew.[201]
Woron  Russia World War I: The cargo ship was torpedoed and sunk in the North Sea 25 nautical miles (46 km) north east of Lerwick, Shetland Islands by SM UC-40 ( Imperial German Navy).[202]

25 October
List of shipwrecks: 25 October 1917
ShipCountryDescription
SMS A32  Imperial German Navy The A25-class torpedo boat ran aground and sank in the Baltic Sea.[51]
Altair  Imperial German Navy World War I: The Aldebaran-class Vorpostenboot was sunk by mines in Tagga Bight.[203]
Erviken  Norway World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea four nautical miles (7.4 km) south east of Cabo de Gata, Spain by SM U-64 ( Imperial German Navy) with the loss of a crew member.[204]
Euston  United Kingdom World War I: The collier was torpedoed and sunk in the Mediterranean Sea 37 nautical miles (69 km) south west of Cape Matapan, Greece (35°33′N 21°48′E) by SM UC-34 ( Imperial German Navy) with the loss of a crew member.[4][26][205]
Fannie Prescott  United States World War I: The schooner was sunk in the Atlantic Ocean 50 nautical miles (93 km) south of Cape Cantin, Morocco by SM U-35 ( Imperial German Navy).[206]
Gefion  United Kingdom World War I: The cargo ship was torpedoed and sunk in the English Channel 10 nautical miles (19 km) north east of Berry Head, Devon by SM UB-40 ( Imperial German Navy) with the loss of two of her crew.[4][207]
Ness  United Kingdom World War I: The cargo ship was shelled and sunk in the Mediterranean Sea 10 nautical miles (19 km) south east of Cabo de Gata by SM U-64 ( Imperial German Navy) with the loss of two of her crew.[4][208]
Northern Lights  United States One half of the steamer went ashore on Lake Ontario during a storm. She had been cut in half to allow passage through the Welland Canal to go to the Atlantic Ocean and the cable tying the two halves together parted in the storm.[209]
Sheaf Blade  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 13 nautical miles (24 km) south east by south of Cabo de Gata by SM U-64 ( Imperial German Navy) with the loss of two of her crew.[4][210]
Wearside  United Kingdom World War I: The cargo ship struck a mine and sank in the North Sea 3 nautical miles (5.6 km) off the Sunk Lightship ( United Kingdom). Her crew survived.[211]

26 October
List of shipwrecks: 26 October 1917
ShipCountryDescription
SMS Eber  Imperial German Navy World War I: The Iltis-class gunboat was scuttled at Bahia, Brazil, where she had been interned since September, 1914.[212]
Helen  United States The 17-gross register ton, 48-foot (14.6 m) fishing vessel was wrecked near Level Island (56°28′N 133°05′W) in Southeast Alaska. Her crew of two survived.[213]
Le Tarn  France World War I: The cargo ship was sunk in the Mediterranean Sea east of Oran, Algeria (36°15′N 0°03′W) by SM U-64 ( Imperial German Navy). Her crew survived.[214]
Sapele  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 100 nautical miles (190 km) north west of Tory Island, County Donegal (55°56′N 11°00′W) by SM U-104 ( Imperial German Navy) with the loss of three crew.[4][215]
SMS T65  Imperial German Navy World War I: The S7-class torpedo boat struck a mine and sank in the Baltic Sea.[51]

27 October
List of shipwrecks: 27 October 1917
ShipCountryDescription
D. N. Luckenbach  United States World War I: The cargo ship was sunk in the Atlantic Ocean (46°34′N 8°34′W) by SM U-93 ( Imperial German Navy) with the loss of five of her crew.[216]
Lady Helen  United Kingdom World War I: The coaster was sunk in the North Sea off Robin Hood's Bay, Yorkshire by SM UB-34 ( Imperial German Navy) with the loss of seven of her crew.[217]
HMT Strymon  Royal Navy World War I: The naval trawler struck a naval mine and sank in the North Sea off the Shipwash Lightship ( United Kingdom) (51°37′N 0°48′E) with the loss of eleven of her crew.[218]

28 October
List of shipwrecks: 28 October 1917
ShipCountryDescription
Baron Balfour  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Barents Sea 8 nautical miles (15 km) north of Sem Island, Russia by SM U-46 ( Imperial German Navy). Her crew survived.[4][219]
Baron Garioch  United Kingdom World War I: The cargo ship was torpedoed and sunk in the English Channel 5 nautical miles (9.3 km) south east of Anvil Point, Dorset (50°36′N 1°43′W) by SM UC-63 ( Imperial German Navy) with the loss of two of her crew.[220]
Ferrona  United Kingdom World War I: The cargo ship was scuttled in the Mediterranean Sea 7 nautical miles (13 km) north east of Valencia, Spain (39°28′N 0°10′W) by SM U-64 ( Imperial German Navy) with the loss of a crew member.[4][221]
USAT Finland  United States Army
USAT Finland

World War I: The troopship was torpedoed and damaged in the Atlantic Ocean 150 nautical miles (280 km) off Brest, Finistère, France (46°21′N 6°30′W) by SM U-93 ( Imperial German Navy) with the loss of nine of her crew.[222]

Gepard  Imperial Russian Navy World War I: The Bars-class submarine was sunk in the Baltic Sea, probably by a mine.[223]
Marc Fraissinet  France World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 15 nautical miles (28 km) north of Tabarka, Tunisia (37°01′N 8°37′E) by SM UB-50 ( Imperial German Navy) with the loss of a crew member.[224]
Redesmere  United Kingdom World War I: The collier was torpedoed and sunk in the English Channel 6 nautical miles (11 km) west south west of St. Catherine's Point, Isle of Wight by SM UB-40 ( Imperial German Navy) with the loss of nineteen of her crew.[4][14][225]
Senegal  Italy World War I: The coaster was torpedoed and sunk in the Mediterranean Sea south of Sardinia (37°58′N 8°57′E) by SM UB-50 ( Imperial German Navy) with the loss of two of her crew.[226]
SP #3  United States The 31-ton scow was wrecked on Key Reef (56°09′35″N 132°49′45″W) in Clarence Strait in the Alexander Archipelago in Southeast Alaska.[227]

29 October
List of shipwrecks: 29 October 1917
ShipCountryDescription
SMS M68  Imperial German Navy World War I: The Type 1916 minesweeper struck a mine and sank at Dunamunde.[228]
Marne  France World War I: The coaster was sunk in the English Channel 25 nautical miles (46 km) north east of Barfleur, Manche (50°30′N 1°20′W) by SM UC-63 ( Imperial German Navy).[229]
Namur  United Kingdom World War I: The passenger ship was torpedoed and sunk in the Mediterranean Sea 55 nautical miles (102 km) east by south of Gibraltar (36°00′N 4°15′W) by SM U-35 ( Imperial German Navy) with the loss of a crew member.[4][230]
La Epoca  Uruguay World War I: The barque was scuttled in the Bay of Biscay 30 nautical miles (56 km) south west of the Cordouan Lighthouse, Gironde, France by SM U-93 ( Imperial German Navy).[231]

30 October
List of shipwrecks: 30 October 1917
ShipCountryDescription
SMS Kehrewider  Imperial German Navy The naval drifter/Vorpostenboot was lost on this date.[187]
Liff  Norway World War I: The cargo ship was sunk in the Bay of Biscay 70 nautical miles (130 km) west of Penmarc'h, Finistère, France (47°37′N 5°13′W) by SM U-93 ( Imperial German Navy). Her crew survived.[232]

31 October
List of shipwrecks: 31 October 1917
ShipCountryDescription
Cambric  United Kingdom World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 14 nautical miles (26 km) west of Cape Cherchell, Algeria by SM U-35 ( Imperial German Navy) with the loss of 24 crew.[4][233]
Estrellano  United Kingdom World War I: Convoy T 340: The cargo ship was torpedoed and sunk in the Bay of Biscay 14 nautical miles (26 km) west by north of the Île du Pilier, Vendée, France (47°04′N 2°40′W) by SM UC-71 ( Imperial German Navy) with the loss of three of her crew. Survivors were rescued by La Batailleuse ( French Navy).[234]
Evangelistra Greece World War I: The sailing vessel was sunk in the Mediterranean Sea east of Crete (35°49′N 24°05′E) by SM UC-37 ( Imperial German Navy).[235]
Hamidabad  Ottoman Navy World War I: The Demirhisar-class torpedo boat was sunk at Port Igneada by Russian aircraft and Bystry and Pylkiy (both  Imperial Russian Navy).[236]
North Sea  United Kingdom World War I: The cargo ship was torpedoed and sunk in the English Channel 2.5 nautical miles (4.6 km) south west of Prawle Point, Devon by SM UC-65 ( Imperial German Navy) with the loss of a crew member.[4][237]
Phare  United Kingdom World War I: The cargo ship was torpedoed and sunk in the North Sea 2.5 nautical miles (4.6 km) north of Scarborough, Yorkshire by SM UB-35 ( Imperial German Navy) with the loss of fourteen of her crew.[238]
Saint David  United States The 1,576-ton ore barge was being towed by the tug Kern ( United States) when the towline parted. She drifted onto Khantaak Island (59°36′N 139°46′W) near Yakutat, Territory of Alaska, where the surf pounded her to pieces.[227]
South Bay  United States The dredger foundered in the Atlantic Ocean off Tampico, Florida.[239]

Unknown date
List of shipwrecks: Unknown date 1917
ShipCountryDescription
HMS Begonia  Royal Navy World War I: The Azalea-class sloop, in use as a Q-ship, collided with the submarine SM U-151 ( Imperial German Navy) and sank in the Atlantic Ocean off Casablanca, French Morocco, on 2 or 12 October.[26][240][241]
Hunter  United States The 8-ton, 32.2-foot (9.8 m) fishing vessel sank with the loss of both people on board in Taku Harbor on the eastern shore of Stephens Passage in the Alexander Archipelago in Southeast Alaska.[213]
Kerry Range  Royal Navy The armed transport was scuttled after catching fire at Baltimore, Maryland, with the loss of three lives. She was refloated, repaired, and returned to service.
Toledo  United Kingdom World War I: The cargo ship was scuttled in the Baltic Sea to avoid capture by the Germans.[4]
SM UC-16  Imperial German Navy World War I: The Type UC II submarine struck a mine and sank in the North Sea off Zeebrugge, West Flanders, Belgium with the loss of all 26 crew.

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  234. "Estrellano". Uboat.net. Retrieved 27 December 2012.
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Ship events in 1917
Ship launches: 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922
Ship commissionings: 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922
Ship decommissionings: 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922
Shipwrecks: 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922

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