2638:
2498:
41:
1132:
2717:
2940:
2923:
2935:
2915:
1225:
1194:
1163:
554:
design: a small submarine that could be shipped by rail to a port of operations and quickly assembled. Constrained by railroad size limitations, the UB I design called for a boat about 28 metres (92 ft) long and displacing about 125 tonnes (123 long tons) with two
1007:
were still cruising in the Black Sea out of Varna. The
Germans did not have good luck in the Black Sea, which was not a priority for them. The Bulgarians, who saw the value of the submarines in repelling Russian attacks, began negotiations to purchase
954:
530:, but disappeared in late September 1916 before a transfer could take place. Her fate is officially unknown, but sources report that may have struck a mine or been sunk by a Russian airplane.
628:(3,060 km; 1,900 mi) on the surface before refueling, and up to 45 nautical miles (83 km; 52 mi) submerged before recharging her batteries. Like all boats of the class,
624:. Her top speeds were 6.47 knots (11.98 km/h; 7.45 mph), surfaced, and 5.51 knots (10.20 km/h; 6.34 mph), submerged. At more moderate speeds, she could sail up to 1,650
886:
was ineffective because she was hampered by her limited torpedo supply and her weak engines, which made negotiating the strong
Dardanelles currents nearly impossible. Because of this,
724:
was complete at the
Germaniwerft yard, they were both readied for rail shipment. The process of shipping a UB I boat involved breaking the submarine down into what was essentially a
1428:
736:
on 15 March, despite the fact that the
Austrian pair was still not ready. German engineers and technicians that accompanied the German boats to Pola worked under the supervision of
1078:
1436:
1424:
2826:
3004:
1432:
1257:
was mined somewhere in the Black Sea. In June 1917, a
Russian pilot captured by the Germans reported that a Russian airplane bombed and sank
675:
allies to send submarines to the
Dardanelles to help attack the British and French fleet pounding Turkish positions. The Germans induced the
1953:
1122:
2989:
837:
would not have been able to make the entire journey to Turkey, so on the night on 15/16 May, she was towed by the
Austrian destroyer
2819:
1383:
1300:
were the
Constantinople Flotilla's senior radio officer, and the first Bulgarian submariner lost during the war, a trainee from
1215:
1072:
792:, the head of the Austrian Navy, reneged on his commitment because of the overt hostility from neighbor and former ally Italy.
2984:
2757:
2463:
2410:
2383:
2348:
2321:
2290:
2263:
2236:
2192:
2134:
2964:
2841:
1184:
1153:
1292:, near the Chersones Lighthouse. Authors Dwight Messimer and Robert Grant are each dubious of this claim, and the fate of
526:
in
September 1915. In October, she helped repel a Russian bombardment of Bulgaria. She was considered for transfer to the
2994:
2943:
2939:
2812:
2102:. German Warships 1815–1945. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press.
2080:
2934:
2930:
2437:
2161:
2107:
2088:
2793:
1064:
and bombed the U-boat, preventing her from accomplishing her goal. With the submarine out of the way, Rear
Admiral
1050:—under the command of Hans Lütjohann, who had taken over for Werner when he returned to Germany to command the new
1954:"Началото на подводното корабоплаване и началото на бойното използване на подводницата в българския военен флот"
463:
between 127 and 141 tonnes (125 and 139 long tons), depending on whether surfaced or submerged. She carried two
2999:
2368:
The Naval Policy of Austria-Hungary, 1867–1918: Navalism, Industrial Development, and the Politics of Dualism
2974:
2969:
996:. Despite the lack of success, the attempt did cause the Russians to break off their attacks and withdraw.
606:
204:
1264:
768:
developed a leak which took some time to repair. In the meantime, she was assigned the Austrian number of
2767:
976:
539:
1253:
departed Varna for operations off Sevastopol and was never heard from again. According to some sources,
2926:
2922:
2918:
2914:
2910:
2487:
2447:
1359:
2804:
1381:
had developed a leak and was undergoing repairs that eventually kept her at Pola until 27 April. See:
2882:
2861:
2771:
2702:
2695:
2688:
2680:
2674:
2666:
2660:
2609:
2511:
1087:, which was forced to abort her mission and retire. Sources are quiet on damage, if any, suffered by
1060:
to attack any ships that sailed in response to the mission. Unfortunately, Russian seaplanes spotted
632:
was rated to a diving depth of 50 metres (160 ft), and could completely submerge in 33 seconds.
564:
1376:
700:
694:
546:
found itself without suitable submarines that could be operated in the narrow and shallow seas off
2375:
2371:
871:
519:
1493:, was under Ottoman control—was in service as a Russian naval transport when she was sunk. See:
1423:
Werner was in the Navy's April 1905 cadet class with 36 other future U-boat captains, including
2788:
1957:
922:
621:
523:
391:
198:
2643:
2224:
2126:
1442:
948:
676:
480:
799:
and send her to the aid of the Turks. So, upon completion of her leak repairs, the boat was
2888:
2648:
2503:
808:
543:
418:
20:
8:
2979:
2313:
2122:
1521:
748:). Typically, the UB I assembly process took about two to three weeks, and, accordingly,
725:
605:
of 3.03 metres (9 ft 11 in). She had a single 59-brake-horsepower (44 kW)
551:
460:
407:
134:
226:
212:
2228:
845:
838:
728:. Each boat was broken into approximately fifteen pieces and loaded onto eight railway
1601:
737:
542:'s rapid advance along the North Sea coast in the earliest stages of World War I, the
2469:
2459:
2433:
2416:
2406:
2389:
2379:
2354:
2344:
2327:
2317:
2296:
2286:
2269:
2259:
2242:
2232:
2198:
2188:
2167:
2157:
2140:
2130:
2103:
2084:
1558:
1472:
1390:
1065:
861:
800:
780:—wore either civilian clothes or Austrian uniforms. As time dragged on, the Austrian
772:
and an Austrian commander. Her German crew at Pola—since it was still the intent for
614:
496:
219:
2871:
2851:
945:
2221:
Wielding the Dagger: the MarineKorps Flandern and the German War Effort, 1914–1918
503:
in the German Imperial Navy in May when the Austrians opted out of the agreement.
968:
941:
906:
875:
823:
741:
680:
672:
598:
597:
was 28.10 metres (92 ft 2 in) long, 3.15 metres (10 ft 4 in)
422:
2006:
1883:
1016:. Bulgarian sailors practiced in the pair of boats and technicians were sent to
264:(3,060 km; 1,900 mi) at 5 knots (9.3 km/h; 5.8 mph) surfaced
2722:
1715:
1686:
1549:
1489:—cut off from the United Kingdom because the only exit from the Black Sea, the
1230:
1199:
1168:
1137:
1025:
937:
811:
617:
527:
356:
222:
2481:
1389:(in Hungarian). Imperial and Royal Navy Association. p. 3. Archived from
909:, and from there, to patrol off the Russian Black Sea coast. On 18 September,
2958:
2358:
2300:
2073:
Die UB-Boote der Kaiserlichen Marine, 1914-1918. Einsätze, Erfolge, Schicksal
1279:
1266:
819:
753:
625:
610:
576:
507:
492:
267:
45 nmi (83 km; 52 mi) at 4 knots (7.4 km/h; 4.6 mph)
261:
208:
75:
46:
2473:
2420:
2393:
2331:
2273:
2246:
2202:
2171:
2144:
929:, and the only one sunk by any of the Constantinople Flotilla in the month.
2011:
German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net
1956:(in Bulgarian). Съюз на подводничарите в Република България. Archived from
1888:
German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net
1720:
German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net
1691:
German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net
1606:
German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net
1501:
German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net
1496:
1447:
German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net
1355:
1351:
643:
602:
556:
468:
296:
657:
s standard complement consisted of one officer and thirteen enlisted men.
1069:
1043:
1036:
971:
by this time, sortied to disrupt the bombardment. Off Varna on the 27th,
668:
647:
590:
484:
472:
444:
430:
305:
242:
795:
With the change of heart from the Austrians, Germany resolved to retain
2834:
1057:
992:
s crew heard what they thought was the torpedo explode, it did not hit
849:
789:
732:. The boats were ready for shipment to the main Austrian naval base at
1363:
891:
550:. Project 34, a design effort begun in mid-August 1914, produced the
515:
434:
410:
2623:
2616:
2602:
2595:
2588:
2581:
2574:
2214:(in Bulgarian). Vol. кн. 3. София: Военно-исторически сборник.
2184:
1490:
1020:
for training at the German submarine school there. The transfer of
933:
613:
for surface travel, and a single 119-shaft-horsepower (89 kW)
547:
448:
151:
2256:
The Central Powers in the Adriatic, 1914–1918: War in a Narrow Sea
2181:
U-boats Destroyed: The Effect of Anti-submarine Warfare, 1914–1918
1028:
took place on 25 May 1916, but for reasons unreported in sources,
857:
646:. She was also outfitted for a single 8-millimeter (0.31 in)
2736:
2730:
2567:
2560:
2546:
2539:
2532:
2525:
2518:
2076:
1466:
1051:
729:
639:
570:
464:
2455:
918:
815:
563:
was part of the initial allotment of eight submarines—numbered
452:
414:
2212:Първата българска подводница ("The First Bulgarian Submarine")
959:
began attacks on Varna and the Bulgarian coast on 25 October.
671:
and other Turkish leaders were pleading with their German and
1301:
740:
Hans Adam, head of the newly created U-boat special command (
583:, just shy of two months after planning for the class began.
147:
917:
about 10.5 nautical miles (19.4 km; 12.1 mi) from
894:
in July, cruising without success from the 5th to the 22nd.
2430:
British Merchant Ships Sunk by U boats in the 1914–1918 War
1296:
is still officially unknown. Among the fifteen men lost on
1017:
733:
580:
488:
79:
2151:
168:
1687:"WWI U-boat commanders: Wilhelm Werner (Pour le Mérite)"
860:—not having any success on her journey there—and joined
479:
was originally one of a pair of UB I boats sent to the
459:
was a little over 28 metres (92 ft) in length and
2341:
Submarines of the Russian and Soviet Navies: 1718–1990
1661:
693:) to send two boats—its own Germaniawerft-built boats
667:
s construction neared completion in early March 1915,
487:, and was broken into sections and shipped by rail to
1414:
Italy declared war on Austria-Hungary on 23 May 1915.
248:
5.51 knots (10.20 km/h; 6.34 mph) submerged
2310:
The Illustrated Directory of Submarines of the World
818:. At commissioning, the boat temporarily joined the
2835:
Shipwrecks and maritime incidents in September 1916
2098:Gröner, Erich; Jung, Dieter; Maass, Martin (1991).
593:by Germaniawerft in Kiel on 30 November. As built,
1548:
2119:Conway's All the World's Fighting Ships 1906–1921
1471:had been similarly towed by the Austrian cruiser
1358:chutes but changing little else—evolved into the
1350:A further refinement of the design—replacing the
1083:, and five destroyers. The Russian fleet engaged
1046:. To attempt to neutralize any Russian response,
880:U-boote der Mittelmeer division in Konstantinopel
620:for underwater travel, both attached to a single
2956:
638:was armed with two 45-centimeter (17.7 in)
514:spent the majority of her career patrolling the
2486:
2405:. Annapolis, Maryland: Naval Institute Press.
2343:. Annapolis, Maryland: Naval Institute Press.
2285:. Annapolis, Maryland: Naval Institute Press.
2156:. Annapolis, Maryland: Naval Institute Press.
483:to replace an Austrian pair to be sent to the
2820:
2117:Gardiner, Robert; Gray, Randal, eds. (1985).
1654:
1652:
1094:
788:were still not ready, and eventually Admiral
2152:Gibson, R. H.; Maurice Prendergast (2003) .
2116:
1947:
1945:
1943:
1792:
1790:
1788:
1642:
1640:
1325:"SM" stands for "Seiner Majestät" (English:
688:
2035:
2033:
2031:
2029:
2027:
1991:
1989:
1987:
1977:
1975:
1915:
1913:
1867:
1865:
1855:
1853:
1834:
1832:
1813:
1811:
1764:
1762:
1752:
1750:
1748:
1738:
1736:
1709:
1707:
1630:
1628:
1626:
1624:
1622:
925: (GRT), was the only ship credited to
2827:
2813:
2446:
2338:
1841:
1649:
981:(most well-known under her former name of
533:
1940:
1931:
1874:
1785:
1778:
1776:
1774:
1637:
1543:
1541:
1539:
975:got in position to fire a torpedo at the
522:. The U-boat sank one ship of 6,011
245:(11.98 km/h; 7.45 mph) surfaced
2365:
2280:
2253:
2209:
2024:
1984:
1972:
1910:
1901:
1862:
1850:
1829:
1808:
1759:
1745:
1733:
1704:
1680:
1678:
1676:
1619:
19:For other ships with the same name, see
3005:World War I shipwrecks in the Black Sea
2427:
2400:
2070:
1799:
1716:"WWI U-boat commanders: Hans Lütjohann"
1595:
1514:
913:torpedoed and sank the British steamer
685:Kaiserliche und Königliche Kriegsmarine
471:and was also armed with a deck-mounted
2957:
2339:Polmar, Norman; Noot, Jurrien (1991).
2307:
2283:Verschollen: World War I U-boat losses
2097:
2042:
1771:
1667:
1593:
1591:
1589:
1587:
1585:
1583:
1581:
1579:
1577:
1575:
1536:
491:in March 1915 for reassembly. She was
2808:
2485:
2218:
2178:
1951:
1922:
1673:
167:28.10 m (92 ft 2 in) (
37:
2004:
1881:
1713:
1684:
1599:
1494:
1440:
803:into the German Imperial Navy as SM
443:was ordered in October 1914 and was
157:142 t (140 long tons) submerged
2154:The German Submarine War, 1914–1918
2081:Verlag E.S. Mittler & Sohn GmbH
1937:Gibson and Prendergast, pp. 124–25.
1572:
121:Disappeared after 27 September 1916
13:
2432:. Penzance: Periscope Publishing.
2258:. Westport, Connecticut: Praeger.
1928:Gibson and Prendergast, pp. 73–74.
295:2 × 45 cm (17.7 in) bow
187:3.03 m (9 ft 11 in)
179:3.15 m (10 ft 4 in)
14:
3016:
2990:World War I submarines of Germany
1497:"Ships hit during WWI: Patagonia"
2938:
2933:
2921:
2913:
2794:List of Austro-Hungarian U-boats
2715:
2636:
2496:
2100:U-boats and Mine Warfare Vessels
1223:
1192:
1161:
1130:
1032:remained under the German flag.
921:. The cargo ship, of 6,011
341:21 June 1915 – 27 September 1916
39:
16:German Type UB I-class submarine
2403:The U-Boat Offensive: 1914–1945
2063:
2051:
2048:Gibson and Prendergast, p. 135.
1998:
1820:
1480:
1460:
1429:Carl-Siegfried Ritter von Georg
1417:
1408:
1369:
1366:submarine. See: Miller, p. 458.
1344:
1035:In July 1916, the Germans sent
506:Although briefly a part of the
1443:"WWI Officer Crews: Crew 4/05"
1319:
833:Because of her limited range,
807:on 6 May under the command of
1:
2763:(Austria-Hungary)
2254:Koburger, Charles W. (2001).
1307:
940:, battleships of the Russian
304:1 × 8 mm (0.31 in)
2985:U-boats commissioned in 1915
2452:U-boats of the Kaiser's Navy
2281:Messimer, Dwight R. (2002).
1530:
828:Deutsche U-Halbflotille Pola
575:—ordered on 15 October from
370:12 April – 27 September 1916
7:
2965:German Type UB I submarines
2488:German Type UB I submarines
2366:Sondhaus, Lawrence (1994).
1234:
1217:Unidentified Sailing Vessel
1211:
1203:
1180:
1172:
1149:
1141:
1118:
1113:
1107:
1104:
1101:
756:at Pola sometime in April.
10:
3021:
2995:Maritime incidents in 1916
2210:Йорданов, Николай (1999).
2179:Grant, Robert M. (2002) .
1237:
1221:
1214:
1206:
1190:
1183:
1175:
1159:
1152:
1144:
1128:
1121:
1110:
1095:Summary of raiding history
890:was sent to patrol in the
814:, a 26-year-old native of
361:6 May 1915 – 11 April 1916
18:
2908:
2840:
2784:
2748:
2713:
2634:
2494:
1326:
1261:on 1 October at position
776:to be transferred to the
759:
433:. She disappeared in the
321:
125:
32:
28:
2428:Tennent, A. J. (2006) .
2187:: Periscope Publishing.
2071:Bendert, Harald (2000).
1329:) and combined with the
1312:
944:, and aircraft from the
126:General characteristics
2401:Tarrant, V. E. (1989).
2376:Purdue University Press
2372:West Lafayette, Indiana
2219:Karau, Mark D. (2003).
1826:Polmar and Noot, p. 56.
1339:His Majesty's Submarine
1337:would be translated as
1244:
872:Constantinople Flotilla
534:Design and construction
520:Constantinople Flotilla
338:Constantinople Flotilla
277:50 metres (160 ft)
2789:List of German U-boats
2308:Miller, David (2002).
1981:Йорданов, pp. 130–145.
1249:On 27 September 1916,
879:
827:
745:
689:
684:
426:
388:4 merchant ships sunk
2644:Austro-Hungarian Navy
2225:Westport, Connecticut
2127:Naval Institute Press
2005:Helgason, Guðmundur.
1882:Helgason, Guðmundur.
1880:Tarrant, pp. 154–55;
1714:Helgason, Guðmundur.
1685:Helgason, Guðmundur.
1600:Helgason, Guðmundur.
1495:Helgason, Guðmundur.
1441:Helgason, Guðmundur.
705:—with the promise of
677:Austro-Hungarian Navy
481:Austro-Hungarian Navy
317:33-second diving time
3000:U-boats sunk in 1916
2504:Imperial German Navy
1907:Tarrant, pp. 148–49.
1796:Koburger, pp. 82–83.
967:, both based out of
809:Oberleutnant zur See
544:German Imperial Navy
419:German Imperial Navy
335:6 May – 21 June 1915
21:German submarine U-7
2975:Ships built in Pola
2970:Ships built in Kiel
2314:St. Paul, Minnesota
2123:Annapolis, Maryland
2007:"Ships hit by UB 7"
1960:on 27 February 2009
1952:Панайотов, Атанас.
1884:"Ships hit by UB 7"
1602:"WWI U-boats: UB 7"
1522:gross register tons
1437:Hans von Mellenthin
1425:Hermann von Fischel
1276: /
1074:Imperatritsa Mariya
1056:—was stationed off
956:Imperator Nikolai I
923:gross register tons
897:In September 1915,
778:K.u.K. Kriegsmarine
764:During her trials,
690:K.u.K. Kriegsmarine
437:in September 1916.
135:Type UB I submarine
2448:Williamson, Gordon
1646:Williamson, p. 12.
1634:Miller, pp. 46–47.
1559:Miramar Ship Index
1396:on 11 October 2021
1384:"Tengeralattjárók"
1119:15 September 1915
846:Straits of Otranto
510:at commissioning,
427:Kaiserliche Marine
2950:
2949:
2802:
2801:
2777:(Austria-Hungary)
2654:
2465:978-1-84176-362-0
2412:978-0-87021-764-7
2385:978-1-55753-034-9
2350:978-0-87021-570-4
2323:978-0-7603-1345-9
2292:978-1-55750-475-3
2265:978-0-275-97071-0
2238:978-0-313-32475-8
2194:978-1-904381-00-6
2136:978-0-87021-907-8
2039:Messimer, p. 131.
1817:Sondhaus, p. 268.
1805:Gardiner, p. 341.
1670:, pp. 22–23.
1280:44.500°N 33.250°E
1242:
1241:
1066:Aleksandr Kolchak
946:seaplane carriers
713:as replacements.
615:Siemens-Schuckert
398:
397:
220:Siemens-Schuckert
3012:
2942:
2937:
2925:
2917:
2901:
2877:
2866:
2856:
2829:
2822:
2815:
2806:
2805:
2732:Podvodnik No. 18
2721:
2719:
2718:
2647:
2642:
2640:
2639:
2502:
2500:
2499:
2483:
2482:
2477:
2443:
2424:
2397:
2362:
2335:
2304:
2277:
2250:
2215:
2206:
2175:
2148:
2113:
2094:
2058:
2055:
2049:
2046:
2040:
2037:
2022:
2021:
2019:
2017:
2002:
1996:
1995:Halpern, p. 246.
1993:
1982:
1979:
1970:
1969:
1967:
1965:
1949:
1938:
1935:
1929:
1926:
1920:
1919:Halpern, p. 236.
1917:
1908:
1905:
1899:
1898:
1896:
1894:
1878:
1872:
1871:Tennent, p. 190.
1869:
1860:
1859:Halpern, p. 233.
1857:
1848:
1845:
1839:
1838:Halpern, p. 118.
1836:
1827:
1824:
1818:
1815:
1806:
1803:
1797:
1794:
1783:
1782:Koburger, p. 82.
1780:
1769:
1768:Halpern, p. 116.
1766:
1757:
1754:
1743:
1740:
1731:
1730:
1728:
1726:
1711:
1702:
1701:
1699:
1697:
1682:
1671:
1665:
1659:
1658:Tarrant, p. 172.
1656:
1647:
1644:
1635:
1632:
1617:
1616:
1614:
1612:
1597:
1570:
1569:
1567:
1565:
1556:
1545:
1524:
1520:Tonnages are in
1518:
1512:
1511:
1509:
1507:
1484:
1478:
1464:
1458:
1457:
1455:
1453:
1421:
1415:
1412:
1406:
1405:
1403:
1401:
1395:
1388:
1373:
1367:
1348:
1342:
1328:
1323:
1291:
1290:
1288:
1287:
1286:
1281:
1277:
1274:
1273:
1272:
1269:
1229:
1227:
1226:
1198:
1196:
1195:
1167:
1165:
1164:
1136:
1134:
1133:
1099:
1098:
991:
692:
673:Austro-Hungarian
666:
656:
467:for her two bow
97:30 November 1914
49:
44:
43:
42:
26:
25:
3020:
3019:
3015:
3014:
3013:
3011:
3010:
3009:
2955:
2954:
2951:
2946:
2929:
2904:
2880:
2869:
2859:
2849:
2836:
2833:
2803:
2798:
2780:
2744:
2716:
2714:
2709:
2646:
2637:
2635:
2630:
2497:
2495:
2490:
2480:
2466:
2440:
2413:
2386:
2351:
2324:
2316:: MBI Pub. Co.
2293:
2266:
2239:
2195:
2164:
2137:
2110:
2091:
2066:
2061:
2056:
2052:
2047:
2043:
2038:
2025:
2015:
2013:
2003:
1999:
1994:
1985:
1980:
1973:
1963:
1961:
1950:
1941:
1936:
1932:
1927:
1923:
1918:
1911:
1906:
1902:
1892:
1890:
1879:
1875:
1870:
1863:
1858:
1851:
1847:Tarrant, p. 23.
1846:
1842:
1837:
1830:
1825:
1821:
1816:
1809:
1804:
1800:
1795:
1786:
1781:
1772:
1767:
1760:
1755:
1746:
1741:
1734:
1724:
1722:
1712:
1705:
1695:
1693:
1683:
1674:
1666:
1662:
1657:
1650:
1645:
1638:
1633:
1620:
1610:
1608:
1598:
1573:
1563:
1561:
1547:
1546:
1537:
1533:
1528:
1527:
1519:
1515:
1505:
1503:
1485:
1481:
1465:
1461:
1451:
1449:
1422:
1418:
1413:
1409:
1399:
1397:
1393:
1386:
1382:
1374:
1370:
1349:
1345:
1324:
1320:
1315:
1310:
1284:
1282:
1278:
1275:
1270:
1267:
1265:
1263:
1262:
1247:
1224:
1222:
1212:31 August 1916
1193:
1191:
1162:
1160:
1131:
1129:
1097:
999:In early 1916,
989:
942:Black Sea Fleet
936:had joined the
907:Varna, Bulgaria
882:). Once there,
762:
738:Kapitänleutnant
664:
654:
622:propeller shaft
536:
518:as part of the
389:
199:propeller shaft
67:15 October 1914
45:
40:
38:
24:
17:
12:
11:
5:
3018:
3008:
3007:
3002:
2997:
2992:
2987:
2982:
2977:
2972:
2967:
2948:
2947:
2909:
2906:
2905:
2903:
2902:
2881:Unknown date:
2878:
2867:
2857:
2846:
2844:
2838:
2837:
2832:
2831:
2824:
2817:
2809:
2800:
2799:
2797:
2796:
2791:
2785:
2782:
2781:
2779:
2778:
2764:
2749:
2746:
2745:
2743:
2742:
2727:
2725:
2723:Bulgarian Navy
2711:
2710:
2708:
2707:
2700:
2693:
2686:
2672:
2657:
2655:
2632:
2631:
2629:
2628:
2621:
2614:
2607:
2600:
2593:
2586:
2579:
2572:
2565:
2558:
2551:
2544:
2537:
2530:
2523:
2516:
2508:
2506:
2492:
2491:
2479:
2478:
2464:
2444:
2438:
2425:
2411:
2398:
2384:
2363:
2349:
2336:
2322:
2305:
2291:
2278:
2264:
2251:
2237:
2216:
2207:
2193:
2176:
2162:
2149:
2135:
2114:
2108:
2095:
2089:
2067:
2065:
2062:
2060:
2059:
2050:
2041:
2023:
1997:
1983:
1971:
1939:
1930:
1921:
1909:
1900:
1873:
1861:
1849:
1840:
1828:
1819:
1807:
1798:
1784:
1770:
1758:
1744:
1732:
1703:
1672:
1660:
1648:
1636:
1618:
1571:
1534:
1532:
1529:
1526:
1525:
1513:
1479:
1459:
1416:
1407:
1368:
1343:
1317:
1316:
1314:
1311:
1309:
1306:
1285:44.500; 33.250
1246:
1243:
1240:
1239:
1236:
1233:
1231:Russian Empire
1220:
1213:
1209:
1208:
1205:
1202:
1200:Russian Empire
1189:
1182:
1178:
1177:
1174:
1171:
1169:Russian Empire
1158:
1151:
1147:
1146:
1143:
1140:
1138:United Kingdom
1127:
1120:
1116:
1115:
1112:
1109:
1106:
1103:
1096:
1093:
1026:Bulgarian Navy
938:Central Powers
812:Wilhelm Werner
761:
758:
746:Sonderkommando
726:knock down kit
626:nautical miles
618:electric motor
535:
532:
528:Bulgarian Navy
396:
395:
386:
382:
381:
378:
374:
373:
372:
371:
368:
367:Hans Lütjohann
362:
359:
357:Wilhelm Werner
349:
345:
344:
343:
342:
339:
336:
333:
328:
324:
323:
322:Service record
319:
318:
315:
311:
310:
309:
308:
302:
299:
291:
287:
286:
283:
279:
278:
275:
271:
270:
269:
268:
265:
256:
252:
251:
250:
249:
246:
237:
233:
232:
231:
230:
223:electric motor
216:
201:
193:
189:
188:
185:
181:
180:
177:
173:
172:
165:
161:
160:
159:
158:
155:
142:
138:
137:
132:
131:Class and type
128:
127:
123:
122:
119:
115:
114:
111:
107:
106:
103:
99:
98:
95:
91:
90:
87:
83:
82:
73:
69:
68:
65:
61:
60:
55:
51:
50:
35:
34:
30:
29:
15:
9:
6:
4:
3:
2:
3017:
3006:
3003:
3001:
2998:
2996:
2993:
2991:
2988:
2986:
2983:
2981:
2978:
2976:
2973:
2971:
2968:
2966:
2963:
2962:
2960:
2953:
2945:
2941:
2936:
2932:
2928:
2924:
2920:
2916:
2912:
2907:
2900:
2899:
2893:
2892:
2886:
2885:
2879:
2876:
2875:
2868:
2865:
2864:
2858:
2855:
2854:
2848:
2847:
2845:
2843:
2839:
2830:
2825:
2823:
2818:
2816:
2811:
2810:
2807:
2795:
2792:
2790:
2787:
2786:
2783:
2776:
2775:
2769:
2766:Followed by:
2765:
2762:
2760:
2755:
2752:Preceded by:
2751:
2750:
2747:
2740:
2739:
2734:
2733:
2729:
2728:
2726:
2724:
2712:
2706:
2705:
2701:
2699:
2698:
2694:
2692:
2691:
2687:
2684:
2683:
2678:
2677:
2673:
2670:
2669:
2664:
2663:
2659:
2658:
2656:
2653:
2651:
2645:
2633:
2627:
2626:
2622:
2620:
2619:
2615:
2613:
2612:
2608:
2606:
2605:
2601:
2599:
2598:
2594:
2592:
2591:
2587:
2585:
2584:
2580:
2578:
2577:
2573:
2571:
2570:
2566:
2564:
2563:
2559:
2557:
2556:
2552:
2550:
2549:
2545:
2543:
2542:
2538:
2536:
2535:
2531:
2529:
2528:
2524:
2522:
2521:
2517:
2515:
2514:
2510:
2509:
2507:
2505:
2493:
2489:
2484:
2475:
2471:
2467:
2461:
2457:
2453:
2449:
2445:
2441:
2439:1-904381-36-7
2435:
2431:
2426:
2422:
2418:
2414:
2408:
2404:
2399:
2395:
2391:
2387:
2381:
2377:
2373:
2369:
2364:
2360:
2356:
2352:
2346:
2342:
2337:
2333:
2329:
2325:
2319:
2315:
2311:
2306:
2302:
2298:
2294:
2288:
2284:
2279:
2275:
2271:
2267:
2261:
2257:
2252:
2248:
2244:
2240:
2234:
2230:
2226:
2222:
2217:
2213:
2208:
2204:
2200:
2196:
2190:
2186:
2182:
2177:
2173:
2169:
2165:
2163:9781591143147
2159:
2155:
2150:
2146:
2142:
2138:
2132:
2128:
2124:
2120:
2115:
2111:
2109:0-85177-593-4
2105:
2101:
2096:
2092:
2090:3-8132-0713-7
2086:
2082:
2078:
2075:(in German).
2074:
2069:
2068:
2057:Grant, p. 37.
2054:
2045:
2036:
2034:
2032:
2030:
2028:
2012:
2008:
2001:
1992:
1990:
1988:
1978:
1976:
1959:
1955:
1948:
1946:
1944:
1934:
1925:
1916:
1914:
1904:
1889:
1885:
1877:
1868:
1866:
1856:
1854:
1844:
1835:
1833:
1823:
1814:
1812:
1802:
1793:
1791:
1789:
1779:
1777:
1775:
1765:
1763:
1756:Karau, p. 49.
1753:
1751:
1749:
1742:Karau, p. 48.
1739:
1737:
1721:
1717:
1710:
1708:
1692:
1688:
1681:
1679:
1677:
1669:
1664:
1655:
1653:
1643:
1641:
1631:
1629:
1627:
1625:
1623:
1607:
1603:
1596:
1594:
1592:
1590:
1588:
1586:
1584:
1582:
1580:
1578:
1576:
1560:
1555:
1553:
1544:
1542:
1540:
1535:
1523:
1517:
1502:
1498:
1492:
1488:
1483:
1476:
1475:
1470:
1469:
1463:
1448:
1444:
1438:
1434:
1430:
1426:
1420:
1411:
1392:
1385:
1380:
1379:
1375:The Austrian
1372:
1365:
1361:
1357:
1353:
1352:torpedo tubes
1347:
1340:
1336:
1332:
1327:His Majesty's
1322:
1318:
1305:
1303:
1299:
1295:
1289:
1260:
1256:
1252:
1232:
1219:
1218:
1210:
1201:
1188:
1187:
1181:9 April 1916
1179:
1170:
1157:
1156:
1150:8 April 1916
1148:
1139:
1126:
1125:
1117:
1100:
1092:
1090:
1086:
1082:
1081:
1076:
1075:
1071:
1068:sortied with
1067:
1063:
1059:
1055:
1054:
1049:
1045:
1041:
1040:
1033:
1031:
1027:
1023:
1019:
1015:
1011:
1006:
1002:
997:
995:
988:
984:
980:
979:
974:
970:
966:
962:
958:
957:
952:
951:
947:
943:
939:
935:
930:
928:
924:
920:
916:
912:
908:
905:were sent to
904:
900:
895:
893:
889:
885:
881:
877:
873:
869:
865:
864:
859:
855:
851:
848:and into the
847:
843:
842:
836:
831:
829:
825:
821:
820:Pola Flotilla
817:
813:
810:
806:
802:
798:
793:
791:
787:
783:
779:
775:
771:
767:
757:
755:
751:
747:
743:
739:
735:
731:
727:
723:
719:
716:When work on
714:
712:
708:
704:
703:
698:
697:
691:
686:
682:
678:
674:
670:
663:
658:
653:
649:
645:
644:torpedo tubes
641:
637:
633:
631:
627:
623:
619:
616:
612:
611:diesel engine
608:
604:
600:
596:
592:
588:
584:
582:
578:
577:Germaniawerft
574:
573:
568:
567:
562:
558:
557:torpedo tubes
553:
549:
545:
541:
531:
529:
525:
521:
517:
513:
509:
508:Pola Flotilla
504:
502:
498:
495:in April and
494:
490:
486:
482:
478:
474:
470:
469:torpedo tubes
466:
462:
458:
455:in November.
454:
450:
446:
442:
438:
436:
432:
428:
424:
420:
416:
412:
409:
406:was a German
405:
404:
393:
387:
384:
383:
379:
376:
375:
369:
366:
363:
360:
358:
355:
352:
351:
350:
347:
346:
340:
337:
334:
332:Pola Flotilla
331:
330:
329:
326:
325:
320:
316:
313:
312:
307:
303:
301:2 × torpedoes
300:
298:
297:torpedo tubes
294:
293:
292:
289:
288:
284:
281:
280:
276:
273:
272:
266:
263:
259:
258:
257:
254:
253:
247:
244:
240:
239:
238:
235:
234:
228:
224:
221:
217:
214:
210:
209:diesel engine
206:
202:
200:
196:
195:
194:
191:
190:
186:
183:
182:
178:
175:
174:
170:
166:
163:
162:
156:
153:
149:
145:
144:
143:
140:
139:
136:
133:
130:
129:
124:
120:
117:
116:
112:
109:
108:
104:
101:
100:
96:
93:
92:
88:
85:
84:
81:
77:
76:Germaniawerft
74:
71:
70:
66:
63:
62:
59:
56:
53:
52:
48:
47:German Empire
36:
31:
27:
22:
2952:
2944:October 1916
2897:
2895:
2890:
2883:
2874:Conqueror II
2873:
2862:
2852:
2773:
2770:(Germany) /
2758:
2756:(Germany) /
2753:
2737:
2731:
2703:
2696:
2689:
2681:
2675:
2667:
2661:
2649:
2624:
2617:
2610:
2603:
2596:
2589:
2582:
2575:
2568:
2561:
2554:
2553:
2547:
2540:
2533:
2526:
2519:
2512:
2451:
2429:
2402:
2367:
2340:
2309:
2282:
2255:
2220:
2211:
2180:
2153:
2118:
2099:
2072:
2064:Bibliography
2053:
2044:
2014:. Retrieved
2010:
2000:
1962:. Retrieved
1958:the original
1933:
1924:
1903:
1891:. Retrieved
1887:
1876:
1843:
1822:
1801:
1723:. Retrieved
1719:
1694:. Retrieved
1690:
1663:
1609:. Retrieved
1605:
1562:. Retrieved
1551:
1516:
1504:. Retrieved
1500:
1486:
1482:
1473:
1467:
1462:
1450:. Retrieved
1446:
1433:Kurt Hartwig
1419:
1410:
1398:. Retrieved
1391:the original
1377:
1371:
1346:
1338:
1335:Unterseeboot
1334:
1330:
1321:
1297:
1293:
1258:
1254:
1250:
1248:
1216:
1185:
1154:
1123:
1108:Nationality
1088:
1084:
1079:
1073:
1061:
1052:
1047:
1042:to mine off
1038:
1034:
1029:
1021:
1013:
1009:
1004:
1000:
998:
993:
986:
985:). Although
982:
977:
972:
964:
960:
955:
949:
931:
926:
914:
910:
902:
898:
896:
887:
883:
867:
862:
856:had reached
853:
844:through the
840:
834:
832:
804:
801:commissioned
796:
794:
785:
781:
777:
773:
769:
765:
763:
749:
721:
717:
715:
710:
706:
701:
695:
661:
659:
651:
635:
634:
629:
601:, and had a
594:
586:
585:
571:
565:
560:
537:
511:
505:
500:
497:commissioned
476:
456:
451:shipyard in
440:
439:
402:
400:
399:
390:(6,283
364:
353:
229:(89 kW)
215:(44 kW)
141:Displacement
110:Commissioned
57:
2931:August 1916
1668:Gröner 1991
1611:19 February
1283: /
1070:dreadnought
1044:Novorossisk
994:Panteleimon
978:Panteleimon
852:. By June,
669:Enver Pasha
648:machine gun
642:in two bow
609:4-cylinder
540:German Army
485:Dardanelles
473:machine gun
431:World War I
377:Operations:
348:Commanders:
306:machine gun
260:1,650
225:, 119
207:4-cylinder
86:Yard number
2980:1915 ships
2959:Categories
2842:Shipwrecks
2768:Type UB II
2458:: Osprey.
2016:26 January
1725:26 January
1696:26 January
1554:(6104978)"
1364:minelaying
1308:References
1077:, cruiser
1058:Sevastopol
850:Ionian Sea
790:Anton Haus
538:After the
385:Victories:
380:15 patrols
282:Complement
274:Test depth
211:, 59
192:Propulsion
154:) surfaced
113:6 May 1915
105:April 1915
2889:USS
2872:HMY
2359:231311146
2301:231973419
1531:Citations
1487:Patagonia
1477:on 2 May.
1360:Type UC I
1155:Sal’dagan
1124:Patagonia
1037:SMS
915:Patagonia
892:Black Sea
839:SMS
650:on deck.
640:torpedoes
591:laid down
552:Type UB I
516:Black Sea
465:torpedoes
461:displaced
445:laid down
435:Black Sea
429:) during
411:submarine
408:Type UB I
365:Oblt.z.S.
354:Oblt.z.S.
152:long tons
146:127
94:Laid down
2896:SM
2891:Stockton
2870:26 Sep:
2863:Foucault
2860:15 Sep:
2772:SM
2474:48627495
2450:(2002).
2421:20338385
2394:59919233
2332:50208951
2274:44550580
2247:51204317
2203:50215640
2185:Penzance
2172:52924732
2145:12119866
1491:Bosporus
1362:coastal
1111:Tonnage
983:Potemkin
934:Bulgaria
932:Because
754:launched
730:flatcars
548:Flanders
493:launched
449:AG Weser
327:Part of:
290:Armament
102:Launched
2850:8 Sep:
2229:Praeger
2077:Hamburg
1964:5 April
1893:4 April
1564:2 April
1506:2 April
1452:4 April
1439:. See:
1400:4 April
1271:33°15′E
1268:44°30′N
1085:Breslau
1039:Breslau
1024:to the
870:in the
841:Triglav
607:Daimler
447:at the
417:in the
205:Daimler
184:Draught
72:Builder
64:Ordered
33:History
2884:Bremen
2853:Tellus
2720:
2641:
2501:
2472:
2462:
2456:Oxford
2436:
2419:
2409:
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2106:
2087:
1474:Novara
1435:, and
1228:
1197:
1186:Gryoza
1166:
1142:6,011
1135:
919:Odessa
876:German
858:Smyrna
824:German
816:Apolda
760:Career
742:German
681:German
660:While
499:as SM
453:Bremen
423:German
415:U-boat
164:Length
2761:class
2682:UB-15
2652:class
2625:UB-17
2618:UB-16
2611:UB-15
2604:UB-14
2597:UB-13
2590:UB-12
2583:UB-11
2576:UB-10
1394:(PDF)
1387:(PDF)
1354:with
1313:Notes
1302:Vidin
1238:Sunk
1207:Sunk
1176:Sunk
1145:Sunk
1114:Fate
1105:Name
1102:Date
1080:Kagul
990:'
969:Varna
950:Almaz
665:'
655:'
603:draft
599:abeam
314:Notes
255:Range
243:knots
241:6.47
236:Speed
150:(125
2927:1917
2919:1916
2911:1915
2898:UB-7
2774:U-14
2754:None
2738:UB-8
2735:(ex-
2704:U-17
2697:U-16
2690:U-15
2679:(ex-
2676:U-11
2668:UB-1
2665:(ex-
2662:U-10
2650:U-10
2569:UB-9
2562:UB-8
2555:UB-7
2548:UB-6
2541:UB-5
2534:UB-4
2527:UB-3
2520:UB-2
2513:UB-1
2470:OCLC
2460:ISBN
2434:ISBN
2417:OCLC
2407:ISBN
2390:OCLC
2380:ISBN
2355:OCLC
2345:ISBN
2328:OCLC
2318:ISBN
2297:OCLC
2287:ISBN
2270:OCLC
2260:ISBN
2243:OCLC
2233:ISBN
2199:OCLC
2189:ISBN
2168:OCLC
2158:ISBN
2141:OCLC
2131:ISBN
2104:ISBN
2085:ISBN
2018:2015
1966:2009
1895:2009
1727:2015
1698:2015
1613:2009
1566:2009
1552:UB-7
1508:2009
1468:UB-8
1454:2009
1402:2009
1356:mine
1333:for
1298:UB-7
1294:UB-7
1259:UB-7
1255:UB-7
1251:UB-7
1245:Fate
1204:119
1089:UB-7
1062:UB-7
1053:U-55
1048:UB-7
1030:UB-7
1022:UB-8
1018:Kiel
1014:UB-8
1012:and
1010:UB-7
1005:UB-8
1003:and
1001:UB-7
987:UB-7
973:UB-7
965:UB-8
963:and
961:UB-7
953:and
927:UB-7
911:UB-7
903:UB-8
901:and
899:UB-7
888:UB-7
884:UB-7
868:UB-8
866:and
863:U-21
854:UB-7
835:UB-7
805:UB-7
797:UB-7
784:and
774:UB-7
766:UB-7
752:was
750:UB-7
734:Pola
722:UB-8
720:and
718:UB-7
711:UB-8
709:and
707:UB-7
699:and
662:UB-7
652:UB-7
636:UB-7
630:UB-7
595:UB-7
589:was
587:UB-7
581:Kiel
572:UB-8
566:UB-1
561:UB-7
512:UB-7
501:UB-7
489:Pola
477:UB-7
457:UB-7
441:UB-7
403:UB-7
218:1 ×
203:1 ×
197:1 ×
176:Beam
118:Fate
80:Kiel
58:UB-7
54:Name
2759:U-5
1378:U-3
1235:78
1173:75
830:).
786:U-4
782:U-3
770:U-7
702:U-4
696:U-3
687:or
579:of
569:to
524:GRT
413:or
401:SM
392:GRT
262:nmi
227:shp
213:bhp
169:o/a
89:245
2961::
2894:,
2887:,
2468:.
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2388:.
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2083:.
2079::
2026:^
2009:.
1986:^
1974:^
1942:^
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1886:.
1864:^
1852:^
1831:^
1810:^
1787:^
1773:^
1761:^
1747:^
1735:^
1718:.
1706:^
1689:.
1675:^
1651:^
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1621:^
1604:.
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1499:.
1445:.
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1427:,
1304:.
1091:.
878::
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148:t
23:.
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