This is the full listing of all ships hit during January 1917. You can click on any of the links for further information on either ship, U-boat, commander or convoy.
| Date | U-boat | Commander | | Name of ship | Tons | Nat. |
| |
| 1 Jan 1917 | U 70 | Otto Wünsche | | Tsiropinas | 3,015 |  | gr |
| 1 Jan 1917 | U 79 | Heinrich Jeß | | Laupar | 1,407 |  | nw |
| 1 Jan 1917 | UB 39 | Heinrich Küstner | | Holly Branch | 3,568 |  | br |
| 1 Jan 1917 | UB 39 | Heinrich Küstner | | Leon | 652 |  | fr |
| 1 Jan 1917 | UB 47 | Wolfgang Steinbauer | | Ivernia | 14,278 |  | br |
| 1 Jan 1917 | UC 1 | Oskar Steckelberg | | Sussex (d.) | 5,686 |  | br |
| 1 Jan 1917 | UC 22 | Heino von Heimburg | | Baycraig | 3,761 |  | br |
| 1 Jan 1917 | UC 37 | Otto Launburg | | Britannic | 2,289 |  | nw |
| 1 Jan 1917 | UC 46 | Friedrich Moecke | | Goosebridge | 1,886 |  | sw |
| 2 Jan 1917 | U 70 | Otto Wünsche | | Aconcagua | 1,313 |  | fr |
| 2 Jan 1917 | U 70 | Otto Wünsche | | Odda | 1,101 |  | nw |
| 2 Jan 1917 | U 70 | Otto Wünsche | | San Leandro | 1,616 |  | sp |
| 2 Jan 1917 | U 73 | Gustav Sieß | | Peresvyet | 13,500 |  | ru |
| 2 Jan 1917 | U 79 | Heinrich Jeß | | Older | 2,556 |  | nw |
| 2 Jan 1917 | U 82 | Hans Adam | | Omnium | 8,719 |  | fr |
| 2 Jan 1917 | UB 18 | Claus Lafrenz | | Bestik | 2,185 |  | nw |
| 2 Jan 1917 | UB 18 | Claus Lafrenz | | Ellik | 603 |  | nw |
| 2 Jan 1917 | UB 39 | Heinrich Küstner | | Carlyle | 466 |  | br |
| 2 Jan 1917 | UC 37 | Otto Launburg | | Aristotelis C. Ioannou | 2,868 |  | gr |
| 2 Jan 1917 | UC 37 | Otto Launburg | | Dimitrios Goulandris | 3,744 |  | gr |
| 2 Jan 1917 | UC 37 | Otto Launburg | | Notre Dame Du Berger | 227 |  | fr |
| 3 Jan 1917 | U 79 | Heinrich Jeß | | Angela | 2,422 |  | it |
| 3 Jan 1917 | U 79 | Heinrich Jeß | | Valladares I | 124 |  | pt |
| 3 Jan 1917 | U 82 | Hans Adam | | Viking | 761 |  | da |
| 3 Jan 1917 | UB 39 | Heinrich Küstner | | Columbia | 34 |  | fr |
| 3 Jan 1917 | UB 39 | Heinrich Küstner | | Diamant De La Couronne I | 36 |  | fr |
| 3 Jan 1917 | UB 39 | Heinrich Küstner | | Diamant De La Couronne Ii | 34 |  | fr |
| 3 Jan 1917 | UB 39 | Heinrich Küstner | | Formidable | 26 |  | fr |
| 3 Jan 1917 | UB 39 | Heinrich Küstner | | Helgøy | 1,806 |  | nw |
| 3 Jan 1917 | UB 39 | Heinrich Küstner | | Honneur Et Devouement | 26 |  | fr |
| 3 Jan 1917 | UB 39 | Heinrich Küstner | | Jeanne Mathilde | 60 |  | fr |
| 3 Jan 1917 | UB 39 | Heinrich Küstner | | La Pensee | 30 |  | fr |
| 3 Jan 1917 | UB 39 | Heinrich Küstner | | Marie Henriette | 25 |  | fr |
| 3 Jan 1917 | UB 39 | Heinrich Küstner | | Moderne | 38 |  | fr |
| 3 Jan 1917 | UB 39 | Heinrich Küstner | | Pere Montfort | 13 |  | fr |
| 3 Jan 1917 | UB 39 | Heinrich Küstner | | Petite Emilie | 60 |  | fr |
| 3 Jan 1917 | UB 39 | Heinrich Küstner | | Pierre Le Grand | 42 |  | fr |
| 3 Jan 1917 | UB 39 | Heinrich Küstner | | Richelieu | 25 |  | fr |
| 3 Jan 1917 | UB 39 | Heinrich Küstner | | Saint Jaques | 34 |  | fr |
| 3 Jan 1917 | UB 39 | Heinrich Küstner | | Saint Paul Ii | 30 |  | fr |
| 3 Jan 1917 | UB 47 | Wolfgang Steinbauer | | Huntsend (d.) | 8,826 |  | br |
| 3 Jan 1917 | UC 37 | Otto Launburg | | Capricieuse | 156 |  | fr |
| 3 Jan 1917 | UC 37 | Otto Launburg | | Fama | 2,417 |  | nw |
| 4 Jan 1917 | U 70 | Otto Wünsche | | Ruby | 949 |  | ru |
| 4 Jan 1917 | U 79 | Heinrich Jeß | | Chinto Maru | 2,592 |  | jp |
| 4 Jan 1917 | U 82 | Hans Adam | | Calabro | 1,925 |  | it |
| 4 Jan 1917 | UB 18 | Claus Lafrenz | | Næsborg | 1,547 |  | da |
| 4 Jan 1917 | UB 39 | Heinrich Küstner | | Gabrielle Francois | 37 |  | fr |
| 4 Jan 1917 | UC 31 | Otto von Schrader | | Lonclara | 1,294 |  | br |
| 4 Jan 1917 | UC 37 | Otto Launburg | | Liberte | 166 |  | fr |
| 4 Jan 1917 | UC 37 | Otto Launburg | | Luigi Ciampa | 3,988 |  | it |
| 4 Jan 1917 | UC 37 | Otto Launburg | | Seemel | 209 |  | ru |
| 4 Jan 1917 | UC 37 | Otto Launburg | | Wragby | 3,641 |  | br |
| 5 Jan 1917 | U 35 | Lothar von Arnauld de la Perière | | Lesbian | 2,555 |  | br |
| 5 Jan 1917 | U 35 | Lothar von Arnauld de la Perière | | Salvatore Padre | 200 |  | it |
| 5 Jan 1917 | U 82 | Hans Adam | | Ebro | 1,028 |  | da |
| 5 Jan 1917 | UB 18 | Claus Lafrenz | | Danevirke | 1,433 |  | da |
| 5 Jan 1917 | UB 37 | Paul Günther | | Asta | 573 |  | nw |
| 5 Jan 1917 | UB 39 | Heinrich Küstner | | Allie | 1,127 |  | br |
| 5 Jan 1917 | UB 39 | Heinrich Küstner | | Markland | 1,627 |  | nw |
| 5 Jan 1917 | UC 37 | Otto Launburg | | Combermere | 1,718 |  | it |
| 6 Jan 1917 | U 35 | Lothar von Arnauld de la Perière | | Hudworth | 3,966 |  | br |
| 6 Jan 1917 | U 48 | Berndt Buß | | Alphonse Conseil | 1,591 |  | fr |
| 6 Jan 1917 | U 48 | Berndt Buß | | Ville Du Havre | 5,026 |  | fr |
| 6 Jan 1917 | U 82 | Hans Adam | | Beaufront | 1,720 |  | br |
| 7 Jan 1917 | U 32 | Kurt Hartwig | | Rosalia L. | 7,186 |  | it |
| 7 Jan 1917 | U 35 | Lothar von Arnauld de la Perière | | Mohacsfield | 3,678 |  | br |
| 7 Jan 1917 | U 48 | Berndt Buß | | Borgholm | 1,719 |  | nw |
| 7 Jan 1917 | U 48 | Berndt Buß | | Evangelos | 3,773 |  | gr |
| 7 Jan 1917 | UB 23 | Heinz Ziemer | | Brenda | 249 |  | br |
| 7 Jan 1917 | UB 37 | Paul Günther | | Hansi | 1,142 |  | nw |
| 7 Jan 1917 | UC 4 | Georg Reimarus | | Donside | 182 |  | br |
| 8 Jan 1917 | U 35 | Lothar von Arnauld de la Perière | | Andoni | 3,188 |  | br |
| 8 Jan 1917 | U 35 | Lothar von Arnauld de la Perière | | Lynfield | 3,023 |  | br |
| 8 Jan 1917 | U 48 | Berndt Buß | | Tholma | 1,896 |  | nw |
| 8 Jan 1917 | UC 11 | Benno von Ditfurth | | Cape Colony | 82 |  | br |
| 9 Jan 1917 | U 32 | Kurt Hartwig | | Cornwallis | 14,000 |  | br |
| 9 Jan 1917 | U 39 | Walter Forstmann | | Baynesk | 3,286 |  | br |
| 9 Jan 1917 | U 70 | Otto Wünsche | | Excellent | 1,944 |  | br |
| 9 Jan 1917 | U 84 | Walter Roehr | | Alexandrian (d.) | 4,467 |  | br |
| 9 Jan 1917 | UC 19 | Alfred Nitzsche | | Fernebo | 1,440 |  | sw |
| 10 Jan 1917 | U 79 | Heinrich Jeß | | Brookwood | 3,093 |  | br |
| 10 Jan 1917 | U 84 | Walter Roehr | | Bergenhus | 3,606 |  | nw |
| 10 Jan 1917 | UB 37 | Paul Günther | | Tuborg | 2,056 |  | da |
| 11 Jan 1917 | UC 19 | Alfred Nitzsche | | Ole Bull | 1,835 |  | nw |
| 12 Jan 1917 | U 48 | Berndt Buß | | Emeraude | 183 |  | fr |
| 12 Jan 1917 | U 48 | Berndt Buß | | Vestfold | 1,883 |  | nw |
| 12 Jan 1917 | U 84 | Walter Roehr | | Auchencrag | 3,916 |  | br |
| 12 Jan 1917 | UC 18 | Wilhelm Kiel | | Saint Michel | 419 |  | fr |
| 12 Jan 1917 | UC 43 | Erwin Sebelin | | Brentwood | 1,192 |  | br |
| 13 Jan 1917 | U 59 | Wilhelm von Fircks | | Solvang | 2,970 |  | nw |
| 13 Jan 1917 | UC 18 | Wilhelm Kiel | | Toftwood | 3,082 |  | br |
| 14 Jan 1917 | U 48 | Berndt Buß | | Sydney | 2,695 |  | fr |
| 14 Jan 1917 | UB 37 | Paul Günther | | Norma | 1,997 |  | da |
| 14 Jan 1917 | UC 18 | Wilhelm Kiel | | Martin | 1,904 |  | br |
| 15 Jan 1917 | U 39 | Walter Forstmann | | Garfield | 3,838 |  | br |
| 15 Jan 1917 | U 84 | Walter Roehr | | Kinpurney | 1,944 |  | br |
| 15 Jan 1917 | U 84 | Walter Roehr | | Omsk | 1,574 |  | da |
| 15 Jan 1917 | UB 38 | Wilhelm Amberger | | Independant | 153 |  | fr |
| 15 Jan 1917 | UC 1 | Hugo Thielmann | | Port Nicholson | 8,418 |  | br |
| 15 Jan 1917 | UC 18 | Wilhelm Kiel | | Bernadette | 128 |  | fr |
| 15 Jan 1917 | UC 18 | Wilhelm Kiel | | Otto | 401 |  | nw |
| 15 Jan 1917 | UC 43 | Erwin Sebelin | | Brabant | 1,492 |  | nw |
| 15 Jan 1917 | UC 43 | Erwin Sebelin | | Graafjeld | 728 |  | nw |
| 16 Jan 1917 | U 44 | Paul Wagenführ | | Baron Sempill | 1,607 |  | br |
| 16 Jan 1917 | U 48 | Berndt Buß | | Esperanca | 4,428 |  | nw |
| 16 Jan 1917 | U 59 | Wilhelm von Fircks | | Brenn | 2,189 |  | fr |
| 16 Jan 1917 | UB 38 | Wilhelm Amberger | | Manuel | 2,419 |  | sp |
| 16 Jan 1917 | UC 18 | Wilhelm Kiel | | City Of Tampico | 1,513 |  | nw |
| 17 Jan 1917 | UC 18 | Wilhelm Kiel | | Jeune France | 126 |  | fr |
| 17 Jan 1917 | UC 18 | Wilhelm Kiel | | Valle | 2,365 |  | sp |
| 18 Jan 1917 | U 57 | Carl-Siegfried Ritter von Georg | | Manchester Inventor | 4,247 |  | br |
| 18 Jan 1917 | UB 38 | Wilhelm Amberger | | Asp | 1,759 |  | nw |
| 18 Jan 1917 | UB 41 | Friedrich Karl Sichart von Sichartshofen | | Cetus (d.) | 139 |  | br |
| 18 Jan 1917 | UC 16 | Egon von Werner | | Taormina | 2,457 |  | it |
| 18 Jan 1917 | UC 18 | Wilhelm Kiel | | Louis Joseph | 197 |  | fr |
| 18 Jan 1917 | UC 18 | Wilhelm Kiel | | Louise | 101 |  | fr |
| 18 Jan 1917 | UC 21 | Reinhold Saltzwedel | | Ferret (d.) | 778 |  | br |
| 18 Jan 1917 | UC 4 | Georg Reimarus | | Dagmar | 758 |  | da |
| 19 Jan 1917 | | | | Parfaite | unknown |  | fr |
| 19 Jan 1917 | U 48 | Berndt Buß | | Nailsea Court | 3,295 |  | br |
| 19 Jan 1917 | U 59 | Wilhelm von Fircks | | Gaea | 1,002 |  | nw |
| 19 Jan 1917 | UB 38 | Wilhelm Amberger | | Lilian H. | 467 |  | br |
| 19 Jan 1917 | UC 16 | Egon von Werner | | Anna | 1,237 |  | nw |
| 19 Jan 1917 | UC 16 | Egon von Werner | | Reinunga | 1,147 |  | nw |
| 19 Jan 1917 | UC 16 | Egon von Werner | | Theresdal | 1,762 |  | nw |
| 19 Jan 1917 | UC 18 | Wilhelm Kiel | | Klampenborg | 1,785 |  | da |
| 19 Jan 1917 | UC 18 | Wilhelm Kiel | | Parahyba | 2,606 |  | ur |
| 19 Jan 1917 | UC 21 | Reinhold Saltzwedel | | Joseph Rosalie | 82 |  | fr |
| 19 Jan 1917 | UC 21 | Reinhold Saltzwedel | | Marietta Di Giorgio | 988 |  | nw |
| 19 Jan 1917 | UC 21 | Reinhold Saltzwedel | | Tremeadow | 3,653 |  | br |
| 20 Jan 1917 | U 84 | Walter Roehr | | Bulgarian | 2,515 |  | br |
| 20 Jan 1917 | U 84 | Walter Roehr | | Neuquen | 3,583 |  | br |
| 20 Jan 1917 | UC 17 | Ralph Wenninger | | Standard | 217 |  | da |
| 20 Jan 1917 | UC 21 | Reinhold Saltzwedel | | Jotunfjell (d.) | 2,492 |  | nw |
| 20 Jan 1917 | UC 21 | Reinhold Saltzwedel | | Kisagata Maru No. 3 | 2,588 |  | jp |
| 20 Jan 1917 | UC 4 | Georg Reimarus | | New Comet | 177 |  | br |
| 20 Jan 1917 | UC 43 | Erwin Sebelin | | Planudes | 542 |  | br |
| 21 Jan 1917 | U 45 | Erich Sittenfeld | | Gladys | 275 |  | br |
| 21 Jan 1917 | U 45 | Erich Sittenfeld | | Lucy | 280 |  | br |
| 21 Jan 1917 | U 45 | Erich Sittenfeld | | Star Of The Sea | 197 |  | br |
| 21 Jan 1917 | UC 16 | Egon von Werner | | Couronne | 169 |  | fr |
| 21 Jan 1917 | UC 21 | Reinhold Saltzwedel | | La Victorie (d.) | 290 |  | fr |
| 21 Jan 1917 | UC 21 | Reinhold Saltzwedel | | Leontine | 124 |  | fr |
| 21 Jan 1917 | UC 21 | Reinhold Saltzwedel | | Saint Pierre | 277 |  | fr |
| 22 Jan 1917 | U 43 | Hellmuth Jürst | | Duc D’aumale | 2,189 |  | fr |
| 22 Jan 1917 | U 53 | Hans Rose | | Anna | 164 |  | fr |
| 22 Jan 1917 | U 53 | Hans Rose | | Zeta | 3,053 |  | nl |
| 22 Jan 1917 | U 55 | Wilhelm Werner | | Ethel | 23 |  | br |
| 22 Jan 1917 | U 57 | Carl-Siegfried Ritter von Georg | | Euphrates | 2,809 |  | be |
| 22 Jan 1917 | U 57 | Carl-Siegfried Ritter von Georg | | Minho | 35 |  | pt |
| 22 Jan 1917 | U 57 | Carl-Siegfried Ritter von Georg | | Trevean | 3,081 |  | br |
| 22 Jan 1917 | UC 16 | Egon von Werner | | Juno (d.) | 2,345 |  | nl |
| 22 Jan 1917 | UC 17 | Ralph Wenninger | | Gaulois | 76 |  | fr |
| 22 Jan 1917 | UC 17 | Ralph Wenninger | | O. A. Brodin | 1,798 |  | sw |
| 22 Jan 1917 | UC 18 | Wilhelm Kiel | | Aurelie | 89 |  | fr |
| 22 Jan 1917 | UC 21 | Reinhold Saltzwedel | | Bernais | 301 |  | fr |
| 22 Jan 1917 | UC 21 | Reinhold Saltzwedel | | Precurseur | 364 |  | fr |
| 22 Jan 1917 | UC 21 | Reinhold Saltzwedel | | Stenimachos | 1,175 |  | gr |
| 22 Jan 1917 | UC 40 | Gustav Deuerlich | | Kamma | 1,516 |  | sw |
| 23 Jan 1917 | U 43 | Hellmuth Jürst | | Donstad | 699 |  | nw |
| 23 Jan 1917 | U 43 | Hellmuth Jürst | | Jevington | 2,747 |  | br |
| 23 Jan 1917 | U 44 | Paul Wagenführ | | Agnes (p.) | 125 |  | br |
| 23 Jan 1917 | U 44 | Paul Wagenführ | | George E. Benson (p.) | 155 |  | br |
| 23 Jan 1917 | U 44 | Paul Wagenführ | | Vera (p.) | 150 |  | br |
| 23 Jan 1917 | U 55 | Wilhelm Werner | | Eden | 142 |  | ru |
| 23 Jan 1917 | U 55 | Wilhelm Werner | | Salland | 3,657 |  | nl |
| 23 Jan 1917 | U 59 | Wilhelm von Fircks | | Sardinia | 1,500 |  | nw |
| 23 Jan 1917 | UC 16 | Egon von Werner | | Ymer | 1,123 |  | nw |
| 23 Jan 1917 | UC 17 | Ralph Wenninger | | Egypte | 2,416 |  | be |
| 23 Jan 1917 | UC 17 | Ralph Wenninger | | Ophelia | 159 |  | fr |
| 23 Jan 1917 | UC 29 | Ernst Rosenow | | Clan Shaw | 3,943 |  | br |
| 24 Jan 1917 | U 79 | Heinrich Jeß | | Nanna (p.) | 1,125 |  | nw |
| 24 Jan 1917 | UC 21 | Reinhold Saltzwedel | | Dan | 1,869 |  | da |
| 24 Jan 1917 | UC 21 | Reinhold Saltzwedel | | Gladiateur | 23 |  | fr |
| 24 Jan 1917 | UC 21 | Reinhold Saltzwedel | | Loire Iii | 27 |  | fr |
| 24 Jan 1917 | UC 21 | Reinhold Saltzwedel | | Marie 3 | 25 |  | fr |
| 24 Jan 1917 | UC 21 | Reinhold Saltzwedel | | Quebec | 3,346 |  | fr |
| 24 Jan 1917 | UC 21 | Reinhold Saltzwedel | | Vega | 195 |  | da |
| 24 Jan 1917 | UC 29 | Ernst Rosenow | | Sunniva | 589 |  | nw |
| 25 Jan 1917 | U 38 | Max Valentiner | | Sylvie | 2,591 |  | fr |
| 25 Jan 1917 | U 80 | Alfred von Glasenapp | | Laurentic | 14,892 |  | br |
| 25 Jan 1917 | UC 21 | Reinhold Saltzwedel | | Myrdal | 2,631 |  | nw |
| 25 Jan 1917 | UC 31 | Otto von Schrader | | O. B. Suhr | 1,482 |  | da |
| 26 Jan 1917 | | | | Ava | 5,076 |  | br |
| 26 Jan 1917 | U 45 | Erich Sittenfeld | | Tabasco | 2,987 |  | br |
| 26 Jan 1917 | U 57 | Carl-Siegfried Ritter von Georg | | Bisagno | 2,252 |  | it |
| 26 Jan 1917 | U 85 | Willy Petz | | Dicax | 923 |  | nw |
| 27 Jan 1917 | U 55 | Wilhelm Werner | | Artist | 3,570 |  | br |
| 28 Jan 1917 | | | | Cometa (d.) | 1,762 |  | nw |
| 28 Jan 1917 | U 39 | Walter Forstmann | | Amiral Magon | 5,566 |  | fr |
| 28 Jan 1917 | U 43 | Hellmuth Jürst | | Foz Do Douro | 1,677 |  | pt |
| 28 Jan 1917 | U 43 | Hellmuth Jürst | | Fulton | 1,034 |  | nw |
| 28 Jan 1917 | U 53 | Hans Rose | | Nueva Montana | 2,039 |  | sp |
| 28 Jan 1917 | U 67 | Hans Nieland | | Daisy | 1,227 |  | da |
| 28 Jan 1917 | UC 26 | Matthias Graf von Schmettow | | Argo | 1,261 |  | nw |
| 28 Jan 1917 | UC 26 | Matthias Graf von Schmettow | | Egret | 4,055 |  | ru |
| 28 Jan 1917 | UC 26 | Matthias Graf von Schmettow | | Heimland I | 505 |  | nw |
| 28 Jan 1917 | UC 31 | Otto von Schrader | | Alexandra | 179 |  | br |
| 29 Jan 1917 | U 53 | Hans Rose | | Algorta | 2,117 |  | sp |
| 29 Jan 1917 | U 67 | Hans Nieland | | Punta Teno | 1,042 |  | sp |
| 29 Jan 1917 | UC 31 | Otto von Schrader | | Shamrok | 173 |  | br |
| 29 Jan 1917 | UC 31 | Otto von Schrader | | Thistle | 167 |  | br |
| 29 Jan 1917 | UC 32 | Herbert Breyer | | Edda | 536 |  | sw |
| 30 Jan 1917 | U 55 | Wilhelm Werner | | Eunonymus | 60 |  | br |
| 30 Jan 1917 | U 55 | Wilhelm Werner | | Helena And Samuel | 59 |  | br |
| 30 Jan 1917 | U 55 | Wilhelm Werner | | Marcelle | 219 |  | be |
| 30 Jan 1917 | U 55 | Wilhelm Werner | | Merit | 39 |  | br |
| 30 Jan 1917 | U 55 | Wilhelm Werner | | Trevone | 46 |  | br |
| 30 Jan 1917 | U 55 | Wilhelm Werner | | W.a.h. | 47 |  | br |
| 30 Jan 1917 | U 55 | Wilhelm Werner | | Wetherill | 46 |  | br |
| 31 Jan 1917 | U 43 | Hellmuth Jürst | | Rigel | 2,671 |  | nw |
| 31 Jan 1917 | U 53 | Hans Rose | | Hekla | 524 |  | nw |
| 31 Jan 1917 | U 55 | Wilhelm Werner | | Dundee | 2,290 |  | ca |
| 31 Jan 1917 | U 55 | Wilhelm Werner | | Saint Leon | 230 |  | fr |
| 31 Jan 1917 | U 55 | Wilhelm Werner | | Yvonne | 87 |  | fr |
| 31 Jan 1917 | UC 17 | Ralph Wenninger | | Epsilon | 3,211 |  | nl |
| 31 Jan 1917 | UC 31 | Otto von Schrader | | Ravensbourne | 1,226 |  | br |
| 31 Jan 1917 | UC 32 | Herbert Breyer | | Ida Duncan | 139 |  | br |
| 31 Jan 1917 | UC 47 | Paul Hundius | | Modiva | 1,276 |  | nw |
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| 403,919 | | | 211 ships sunk (377,134 tons) and 9 ships damaged (26,785 tons). Legend (d.) means the ship was damaged. (p.) means the ship was taken as prize (included in ships & tonnage lost).
We have a picture of this vessel.
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This map shows where Allied ships were hit during January 1917.

In some cases the exact positions of losses are not known, those are not shown.