1158:
2660:
2520:
54:
1442:
1279:
2739:
215:
1038:
with the helmsman and a lookout, was able to partially close the hatch before the entire submarine slipped below the waves, depositing the three men in the water. On board the submarine, water continued to pour in through the hatch and the boat was sinking by the stern. Voigt ordered the interior
720:
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
1153:
from 500 yards, which passed under Manica's shallow draught, the submarine was then sighted outside net, two torpedoes fired and missed Manica, which hit the net at an acute angle and burst. An attack two days later on similar vessels was also unsuccessful.
1245:
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
688:. In Bulgarian service, the submarine patrolled the Bulgarian Black Sea coast and had encounters with Russian vessels on several occasions. After the war ended, the submarine was surrendered to France in February 1919 and scrapped at
1069:, Voigt allowed five fully laden transport ships to pass unmolested. When he had a clear shot, Voigt launched one of his torpedoes at the stationary ship and hit it, sending debris into the air. Unfortunately for Voigt and
1199:
1112:
989:
909:
841:
534:
33:
788:(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,
784:. 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
1043:
to the surface where the boat's diesel engines were restarted. Voigt circled back for the missing crewmen but only the watch officer and helmsman were recovered; the lookout had drowned.
891:
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
903:
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
1131:
was ineffective because she was hampered by her limited torpedo supply and her weak engines, which made negotiating the strong currents there nearly impossible. Because of this,
692:
in August 1921. However, in July 2011 Viceadmiral
Manushev, Commander of the Bulgarian Navy, announced that the submarine, discovered in 2010 at the sea bottom near the town of
1366:
1343:. The submarine was used for reconnaissance and coastal defense, and patrolled a regular route. This route was a loop that began in Varna and went northward to
1234:), but it missed. Despite the lack of any success by either submarine, their presence did cause the Russians to break off their attacks and withdraw.
1088:, which eventually sank on 31 May, had been outfitted with wood and canvas "guns" and overloaded with cement and stones to approximate the profile of
1336:
835:
allies to send submarines to the
Dardanelles to help attack the British and French fleet pounding Turkish positions. The Germans induced the
1322:, the Bulgarian summer palace located just north of Varna. In Bulgarian service, the submarine was armed with a 47-millimeter (1.9 in)
2040:
2871:
2861:
964:, the head of the Austro-Hungarian Navy, reneged on his commitment because of the overt hostility from neighbor and former ally Italy.
2866:
1550:
1039:
hatch to the control room sealed and all the ballast tanks filled with compressed air to increase buoyancy. The tactic returned
2856:
2779:
2485:
2451:
2424:
2389:
2358:
2331:
2304:
2260:
2202:
2836:
2139:. German Warships 1815–1945. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press.
2117:
2229:
2167:
2144:
2125:
1157:
2815:
1007:
would not have been able to make the entire journey to Turkey, so on 2 May, she was towed by the
Austrian cruiser
2041:"Началото на подводното корабоплаване и началото на бойното използване на подводницата в българския военен флот"
1371:, drove off Russian submarines on other occasions, and on 16 December helped turn back a Russian sortie against
595:
between 127 and 141 tonnes (125 and 139 long tons), depending on whether surfaced or submerged. She carried two
983:
Ernst von Voigt, a 27-year-old first-time U-boat commander. At commissioning, the boat temporarily joined the
2409:
The Naval Policy of
Austria-Hungary, 1867–1918: Navalism, Industrial Development, and the Politics of Dualism
669:
battlecruiser as part of a decoy operation. In
October, she helped repel a Russian bombardment of Bulgaria.
2846:
2841:
766:
392:
2789:
1225:
705:
2509:
2469:
1526:
1548:
had developed a leak and was undergoing repairs that eventually kept her at Pola until 27 April. See:
2793:
2724:
2717:
2710:
2702:
2696:
2688:
2682:
2631:
2533:
792:
was rated to a diving depth of 50 metres (160 ft), and could completely submerge in 33 seconds.
730:
1543:
1360:
1315:
865:
859:
712:
found itself without suitable submarines that could be operated in the narrow and shallow seas off
696:, is UB-8. Divers discovered manufacturer numbers and according to them the identity is confirmed.
685:
2159:
1034:
was running on the surface when the stern of the boat suddenly dropped. The watch officer, on the
2416:
2412:
1107:
651:
160:
2810:
2044:
781:
386:
204:
2665:
2292:
2194:
1311:
1193:
1051:
836:
681:
612:
2670:
2525:
1947:
1626:
1335:
s first patrol under the
Bulgarian flag took place on 4 and 5 July 1916 when she sailed to
709:
529:
32:
20:
8:
2851:
2381:
2190:
920:). Typically, the UB I assembly process took about two to three weeks, and, accordingly,
892:
765:
of 3.03 metres (9 ft 11 in). She had a single 59-brake-horsepower (44 kW)
717:
592:
518:
322:
1359:; then ended at Varna. On 6 September, she had an encounter with the Russian destroyers
414:
400:
2296:
1596:
1015:
895:. Each boat was broken into approximately fifteen pieces and loaded onto eight railway
560:
236:
1712:
980:
904:
708:'s rapid advance along the North Sea coast in the earliest stages of World War I, the
2491:
2481:
2457:
2447:
2430:
2420:
2395:
2385:
2364:
2354:
2337:
2327:
2310:
2300:
2282:(in Bulgarian). Vol. кн. 3. София: Военно-исторически сборник. pp. 130–145.
2266:
2256:
2235:
2225:
2208:
2198:
2173:
2163:
2140:
2121:
1667:
1557:
1081:
1008:
972:
952:—wore either civilian clothes or Austrian uniforms. As time dragged on, the Austrian
944:
and an
Austrian commander. Her German crew at Pola—since it was still the intent for
774:
662:
628:
407:
635:
in the German Imperial Navy in April when the Austrians opted out of the agreement.
1612:
1190:
1063:
2289:
Wielding the Dagger: the MarineKorps Flandern and the German War Effort, 1914–1918
1299:
1213:
1186:
1174:
1116:
993:
913:
845:
832:
758:
757:
was 28.10 metres (92 ft 2 in) long, 3.15 metres (10 ft 4 in)
693:
538:
2079:
1254:. Bulgarian sailors practiced in the pair of boats and technicians were sent to
452:(3,060 km; 1,900 mi) at 5 knots (9.3 km/h; 5.8 mph) surfaced
2744:
1904:
1658:
1291:
1278:
1263:
1182:
777:
673:
410:
292:
2503:
1556:(in Hungarian). Imperial and Royal Navy Association. p. 3. Archived from
2830:
2368:
2110:
Die UB-Boote der Kaiserlichen Marine, 1914-1918. Einsätze, Erfolge, Schicksal
1035:
1030:
raced back into the Adriatic without incident. Two days after her departure,
984:
925:
785:
770:
736:
639:
624:
455:
45 nmi (83 km; 52 mi) at 4 knots (7.4 km/h; 4.6 mph)
449:
396:
269:
152:
88:
59:
2495:
2461:
2434:
2399:
2341:
2314:
2270:
2239:
2212:
2177:
2084:
German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net
2043:(in Bulgarian). Съюз на подводничарите в Република България. Archived from
1909:
German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net
1717:
German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net
1522:
1518:
803:
762:
722:
600:
484:
1348:
817:
s standard complement consisted of one officer and thirteen enlisted men.
1619:
828:
807:
750:
729:
was last boat of the initial allotment of eight submarines—numbered from
616:
604:
576:
546:
493:
430:
967:
With the change of heart from the Austrians, Germany resolved to retain
1447:
1319:
1147:
1059:
1019:
961:
899:. The boats were ready for shipment to the main Austrian naval base at
666:
1530:
1432:
1177:, and from there, to patrol off the Russian Black Sea coast. Because
1136:
1074:
716:. Project 34, a design effort begun in mid-August 1914, produced the
655:
647:
521:
1282:
A 47 mm from the UB-8 on display at the Naval Museum Varna Bulgaria.
1058:, and, enticed by the prospect of hitting what he identified as the
2645:
2638:
2624:
2617:
2610:
2603:
2596:
2252:
1344:
1340:
1323:
1258:
for training at the German submarine school there. The transfer of
1178:
1124:
773:
for surface travel, and a single 119-shaft-horsepower (89 kW)
713:
580:
550:
339:
2324:
The Central Powers in the Adriatic, 1914–1918: War in a Narrow Sea
2249:
U-boats Destroyed: The Effect of Anti-submarine Warfare, 1914–1918
1318:, who both boarded the submarine for a ceremonial first voyage to
1266:
took place on 25 May 1916, but for reasons unreported in sources,
806:. She was also outfitted for a single 8-millimeter (0.31 in)
2589:
2575:
2568:
2561:
2554:
2547:
2540:
2113:
1590:
1390:
1372:
1356:
896:
871:
799:
689:
596:
273:
2477:
1352:
1055:
584:
525:
2280:Първата българска подводница ("The First Bulgarian Submarine")
1204:
began attacks on Varna and the Bulgarian coast on 25 October.
831:
and other Turkish leaders were pleading with their German and
907:
Hans Adam, head of the newly created U-boat special command (
743:, just shy of two months after planning for the class began.
335:
1389:
was surrendered to the French on 23 February 1919. Towed to
1127:). Despite German intentions to use her in the Dardanelles,
1255:
1084:
plan to disguise large liners as Royal Navy capital ships.
900:
740:
620:
92:
1945:
Cropley, Ralph E. (April 1918). "Only the Naval Reserve".
1755:
1753:
1624:
Cropley, Ralph E. (April 1918). "Only the Naval Reserve".
2219:
1427:
1375:. After the Russian withdrawal from World War I in 1917,
356:
1018:. The duo continued until spotted by French forces near
591:
was a little under 28 metres (92 ft) in length and
1750:
971:
and send her to the aid of the Turks. So, the boat was
646:
spent the majority of her German career patrolling the
611:
was originally one of a pair of UB I boats sent to the
1799:
858:) to send two boats—its own Germaniawerft-built boats
827:
s construction neared completion in early March 1915,
619:, and was broken into sections and shipped by rail to
1581:
Italy declared war on Austria-Hungary on 23 May 1915.
1073:, they had in fact torpedoed the British ocean liner
436:
5.51 knots (10.20 km/h; 6.34 mph) submerged
2378:
The Illustrated Directory of Submarines of the World
680:
and commissioned in a ceremony that was attended by
2135:Gröner, Erich; Jung, Dieter; Maass, Martin (1991).
1657:
1216:by this time, sortied to disrupt the bombardment.
753:by Germaniawerft in Kiel on 4 December. As built,
672:In May 1916, the submarine was transferred to the
2187:Conway's All the World's Fighting Ships 1906–1921
1525:chutes but changing little else—evolved into the
1517:A further refinement of the design—replacing the
1121:U-boote der Mittelmeer division in Konstantinopel
780:for underwater travel, both attached to a single
2828:
798:was armed with two 45-centimeter (17.7 in)
2508:
1310:was kept out of newspapers, it was attended by
569:), and was the first ever Bulgarian submarine.
2446:. Annapolis, Maryland: Naval Institute Press.
2353:. Annapolis, Maryland: Naval Institute Press.
2224:. Annapolis, Maryland: Naval Institute Press.
1595:was similarly towed by the Austrian destroyer
615:to replace an Austrian pair to be sent to the
2185:Gardiner, Robert; Gray, Randal, eds. (1985).
1770:
1768:
1396:
960:were still not ready, and eventually Admiral
2220:Gibson, R. H.; Maurice Prendergast (2003) .
2184:
2158:(Enlarged and completely revised ed.).
2034:
2032:
2030:
2028:
2026:
2024:
1868:
1866:
1743:
1741:
1739:
1737:
1735:
1733:
1492:"SM" stands for "Seiner Majestät" (English:
1092:. There are no reports of any deaths during
1014:from Pola down the Adriatic and through the
853:
1987:
1985:
1889:
1887:
1842:
1840:
1830:
1828:
1826:
1306:). Although the commissioning ceremony for
2468:
2064:
2062:
1964:
1940:
1938:
1936:
1934:
1816:
1814:
1792:
1790:
1788:
1786:
1784:
1782:
1780:
1765:
1759:
1230:(most well-known under her former name of
1220:was never able to launch any attacks, but
699:
2071:
2021:
2003:
1863:
1856:
1854:
1852:
1730:
1652:
1650:
1648:
433:(11.98 km/h; 7.45 mph) surfaced
2406:
2348:
2321:
2277:
2012:
1982:
1973:
1905:"WWI U-boat commanders: Ernst von Voigt"
1884:
1837:
1823:
1277:
1156:
19:For other ships with the same name, see
2441:
2107:
2059:
1944:
1931:
1922:
1875:
1811:
1777:
1706:
1704:
1623:
1123:) based in Constantinople (present-day
850:Kaiserliche und Königliche Kriegsmarine
603:and was also armed with a deck-mounted
2829:
2375:
2351:Verschollen: World War I U-boat losses
2153:
2134:
1955:
1849:
1805:
1702:
1700:
1698:
1696:
1694:
1692:
1690:
1688:
1686:
1684:
1645:
1393:, she was scrapped after August 1921.
1106:became the first submarine in the new
623:in March 1915 for reassembly. She was
2507:
2286:
2246:
2038:
1994:
1139:, where she was active by late July.
355:28.10 m (92 ft 2 in) (
211:
50:
2077:
1902:
1710:
975:into the German Imperial Navy as SM
940:was assigned the Austrian number of
575:was ordered in October 1914 and was
345:142 t (140 long tons) submerged
2222:The German Submarine War, 1914–1918
2118:Verlag E.S. Mittler & Sohn GmbH
2009:Gibson and Prendergast, pp. 124–25.
1681:
1622:and not in the Mediterranean. See:
1382:s activities were greatly reduced.
1326:that supplemented its machine gun.
1273:
13:
2872:World War I submarines of Bulgaria
2326:. Westport, Connecticut: Praeger.
2000:Gibson and Prendergast, pp. 73–74.
483:2 × 45 cm (17.7 in) bow
375:3.03 m (9 ft 11 in)
367:3.15 m (10 ft 4 in)
14:
2883:
2862:World War I submarines of Germany
979:on 23 April under the command of
654:. The U-boat sank only one ship,
2867:Submarines of the Bulgarian Navy
2816:List of Austro-Hungarian U-boats
2737:
2658:
2518:
2137:U-boats and Mine Warfare Vessels
1440:
1270:remained under the German flag.
1080:, which was a participant in an
931:
213:
52:
31:
16:German Type UB I-class submarine
2444:The U-Boat Offensive: 1914–1945
2100:
1896:
1605:
1584:
1575:
1536:
1533:submarine. See: Miller, p. 458.
1511:
638:Although briefly a part of the
1486:
1003:Because of her limited range,
1:
2785:(Austria-Hungary)
2322:Koburger, Charles W. (2001).
1639:
1185:, battleships of the Russian
1161:Podvodnik No. 18/Подводник 18
492:1 × 8 mm (0.31 in)
134:Sold to Bulgaria, 25 May 1916
2857:U-boats commissioned in 1915
2474:U-boats of the Kaiser's Navy
2349:Messimer, Dwight R. (2002).
1402:Ships sunk or damaged by SM
998:Deutsche U-Halbflotille Pola
735:—ordered on 15 October from
7:
2837:German Type UB I submarines
2510:German Type UB I submarines
2407:Sondhaus, Lawrence (1994).
1468:
1463:
1451:
1426:
928:at Pola sometime in April.
10:
2888:
2278:Йорданов, Николай (1999).
2247:Grant, Robert M. (2002) .
2162:: Brookside Publications.
2154:Bonsor, N. R. P. (1978) .
1961:Bonsor, vol.3, pp. 945–46.
1618:was a part of the British
1454:
1438:
1431:
1397:Summary of raiding history
1385:After the end of the war,
1224:launched a torpedo at the
1135:was sent to patrol in the
18:
2806:
2770:
2735:
2656:
2516:
1493:
948:to be transferred to the
564:
313:
280:
240:
183:23 May 1915 – 15 May 1916
165:4 June 1915 – 25 May 1916
138:
45:
30:
2255:: Periscope Publishing.
2108:Bendert, Harald (2000).
1496:) and combined with the
1479:
1189:, and aircraft from the
314:General characteristics
2442:Tarrant, V. E. (1989).
2417:Purdue University Press
2413:West Lafayette, Indiana
2287:Karau, Mark D. (2003).
1506:His Majesty's Submarine
1504:would be translated as
1108:Constantinople Flotilla
700:Design and construction
661:, was disguised by the
652:Constantinople Flotilla
465:50 metres (160 ft)
268:Surrendered to France,
161:Constantinople Flotilla
2811:List of German U-boats
2376:Miller, David (2002).
1796:Йорданов, pp. 130–145.
1283:
1162:
1120:
997:
917:
854:
849:
542:
2666:Austro-Hungarian Navy
2293:Westport, Connecticut
2195:Naval Institute Press
2160:Saint Brélade, Jersey
2156:North Atlantic Seaway
2078:Helgason, Guðmundur.
1903:Helgason, Guðmundur.
1711:Helgason, Guðmundur.
1281:
1160:
870:—with the promise of
837:Austro-Hungarian Navy
613:Austro-Hungarian Navy
505:33-second diving time
252:purchased 25 May 1916
201:1 merchant ship sunk
2526:Imperial German Navy
1948:The Atlantic Monthly
1872:Koburger, pp. 82–83.
1627:The Atlantic Monthly
1351:; then southward to
1212:, both based out of
1146:fired a torpedoe at
1026:slipped the tow and
710:German Imperial Navy
553:in 1916 and renamed
530:German Imperial Navy
157:23 May – 4 June 1915
21:German submarine U-8
2847:Ships built in Pola
2842:Ships built in Kiel
2382:St. Paul, Minnesota
2191:Annapolis, Maryland
2080:"Ships hit by UB 8"
2047:on 27 February 2009
2039:Панайотов, Атанас.
1713:"WWI U-boats: UB 8"
1406:
1286:Upon acceptance of
1201:Imperator Nikolai I
950:K.u.K. Kriegsmarine
936:During her trials,
855:K.u.K. Kriegsmarine
323:Type UB I submarine
2470:Williamson, Gordon
1747:Miller, pp. 46–47.
1668:Miramar Ship Index
1563:on 11 October 2021
1551:"Tengeralattjárók"
1401:
1312:Crown Prince Boris
1294:, she was renamed
1284:
1163:
1016:Straits of Otranto
682:Crown Prince Boris
642:at commissioning,
549:. She was sold to
543:Kaiserliche Marine
281:Service record as
139:Service record as
2824:
2823:
2799:(Austria-Hungary)
2676:
2487:978-1-84176-362-0
2453:978-0-87021-764-7
2426:978-1-55753-034-9
2391:978-0-7603-1345-9
2360:978-1-55750-475-3
2333:978-0-275-97071-0
2306:978-0-313-32475-8
2262:978-1-904381-00-6
2204:978-0-87021-907-8
2068:Gardiner, p. 412.
1893:Sondhaus, p. 268.
1881:Gardiner, p. 341.
1808:, pp. 22–23.
1477:
1476:
1191:seaplane carriers
880:as replacements.
775:Siemens-Schuckert
663:British Admiralty
509:
508:
408:Siemens-Schuckert
307:Ivan Variklechkov
2879:
2754:Podvodnik No. 18
2743:
2741:
2740:
2669:
2664:
2662:
2661:
2524:
2522:
2521:
2505:
2504:
2499:
2465:
2438:
2403:
2372:
2345:
2318:
2283:
2274:
2243:
2216:
2181:
2150:
2131:
2095:
2094:
2092:
2090:
2075:
2069:
2066:
2057:
2056:
2054:
2052:
2036:
2019:
2018:Halpern, p. 233.
2016:
2010:
2007:
2001:
1998:
1992:
1991:Halpern, p. 236.
1989:
1980:
1979:Halpern, p. 118.
1977:
1971:
1968:
1962:
1959:
1953:
1952:
1942:
1929:
1928:Messimer, p. 12.
1926:
1920:
1919:
1917:
1915:
1900:
1894:
1891:
1882:
1879:
1873:
1870:
1861:
1860:Koburger, p. 82.
1858:
1847:
1846:Halpern, p. 116.
1844:
1835:
1832:
1821:
1818:
1809:
1803:
1797:
1794:
1775:
1774:Tarrant, p. 172.
1772:
1763:
1757:
1748:
1745:
1728:
1727:
1725:
1723:
1708:
1679:
1678:
1676:
1674:
1665:
1654:
1633:
1631:
1609:
1603:
1602:two weeks later.
1588:
1582:
1579:
1573:
1572:
1570:
1568:
1562:
1555:
1540:
1534:
1515:
1509:
1495:
1490:
1446:
1444:
1443:
1429:
1407:
1400:
1387:Podvodnik No. 18
1381:
1377:Podvodnik No. 18
1347:, Mangalia, and
1334:
1330:Podvodnik No. 18
1314:and his brother
1308:Podvodnik No. 18
1296:Podvodnik No. 18
1274:Bulgarian career
1115:
1098:
1046:On 29 May 1915,
992:
912:
857:
844:
833:Austro-Hungarian
826:
816:
678:Podvodnik No. 18
599:for her two bow
568:
556:Podvodnik No. 18
537:
283:Podvodnik No. 18
242:
232:Podvodnik No. 18
221:
218:
217:
216:
62:
57:
56:
55:
35:
28:
27:
2887:
2886:
2882:
2881:
2880:
2878:
2877:
2876:
2827:
2826:
2825:
2820:
2802:
2766:
2738:
2736:
2731:
2668:
2659:
2657:
2652:
2519:
2517:
2512:
2502:
2488:
2454:
2427:
2392:
2384:: MBI Pub. Co.
2361:
2334:
2307:
2263:
2232:
2205:
2170:
2147:
2128:
2103:
2098:
2088:
2086:
2076:
2072:
2067:
2060:
2050:
2048:
2037:
2022:
2017:
2013:
2008:
2004:
1999:
1995:
1990:
1983:
1978:
1974:
1970:Tarrant, p. 23.
1969:
1965:
1960:
1956:
1943:
1932:
1927:
1923:
1913:
1911:
1901:
1897:
1892:
1885:
1880:
1876:
1871:
1864:
1859:
1850:
1845:
1838:
1833:
1824:
1819:
1812:
1804:
1800:
1795:
1778:
1773:
1766:
1760:Williamson 2002
1758:
1751:
1746:
1731:
1721:
1719:
1709:
1682:
1672:
1670:
1656:
1655:
1646:
1642:
1637:
1636:
1610:
1606:
1589:
1585:
1580:
1576:
1566:
1564:
1560:
1553:
1549:
1541:
1537:
1516:
1512:
1491:
1487:
1482:
1441:
1439:
1399:
1379:
1332:
1276:
1237:In early 1916,
1187:Black Sea Fleet
1181:had joined the
1175:Varna, Bulgaria
1111:
1096:
988:
981:Kapitänleutnant
934:
908:
905:Kapitänleutnant
840:
824:
814:
782:propeller shaft
702:
650:as part of the
533:
387:propeller shaft
219:
214:
212:
202:
180:Ernst von Voigt
110:4 December 1914
80:15 October 1914
58:
53:
51:
41:
24:
17:
12:
11:
5:
2885:
2875:
2874:
2869:
2864:
2859:
2854:
2849:
2844:
2839:
2822:
2821:
2819:
2818:
2813:
2807:
2804:
2803:
2801:
2800:
2786:
2771:
2768:
2767:
2765:
2764:
2749:
2747:
2745:Bulgarian Navy
2733:
2732:
2730:
2729:
2722:
2715:
2708:
2694:
2679:
2677:
2654:
2653:
2651:
2650:
2643:
2636:
2629:
2622:
2615:
2608:
2601:
2594:
2587:
2580:
2573:
2566:
2559:
2552:
2545:
2538:
2530:
2528:
2514:
2513:
2501:
2500:
2486:
2466:
2452:
2439:
2425:
2404:
2390:
2373:
2359:
2346:
2332:
2319:
2305:
2284:
2275:
2261:
2244:
2230:
2217:
2203:
2182:
2168:
2151:
2145:
2132:
2126:
2104:
2102:
2099:
2097:
2096:
2070:
2058:
2020:
2011:
2002:
1993:
1981:
1972:
1963:
1954:
1951:. p. 439.
1930:
1921:
1895:
1883:
1874:
1862:
1848:
1836:
1822:
1810:
1798:
1776:
1764:
1749:
1729:
1680:
1643:
1641:
1638:
1635:
1634:
1630:. p. 439.
1604:
1583:
1574:
1535:
1510:
1484:
1483:
1481:
1478:
1475:
1474:
1472:
1467:
1462:
1460:
1457:
1456:
1453:
1450:
1437:
1430:
1424:
1423:
1420:
1417:
1414:
1411:
1398:
1395:
1292:Bulgarian Navy
1275:
1272:
1264:Bulgarian Navy
1183:Central Powers
1165:In September,
1142:On 12 August,
1062:battlecruiser
933:
930:
918:Sonderkommando
893:knock down kit
786:nautical miles
778:electric motor
701:
698:
674:Bulgarian Navy
507:
506:
503:
499:
498:
497:
496:
490:
487:
479:
475:
474:
471:
467:
466:
463:
459:
458:
457:
456:
453:
444:
440:
439:
438:
437:
434:
425:
421:
420:
419:
418:
411:electric motor
404:
389:
381:
377:
376:
373:
369:
368:
365:
361:
360:
353:
349:
348:
347:
346:
343:
330:
326:
325:
320:
319:Class and type
316:
315:
311:
310:
309:
308:
305:
304:Nikola Todorov
300:
296:
295:
293:Bulgarian Navy
290:
286:
285:
278:
277:
266:
262:
261:
258:
254:
253:
250:
246:
245:
244:
243:
234:
227:
223:
222:
209:
208:
199:
195:
194:
191:
187:
186:
185:
184:
181:
173:
169:
168:
167:
166:
163:
158:
155:
148:
144:
143:
136:
135:
132:
128:
127:
124:
120:
119:
116:
112:
111:
108:
104:
103:
100:
96:
95:
86:
82:
81:
78:
74:
73:
68:
64:
63:
48:
47:
43:
42:
36:
15:
9:
6:
4:
3:
2:
2884:
2873:
2870:
2868:
2865:
2863:
2860:
2858:
2855:
2853:
2850:
2848:
2845:
2843:
2840:
2838:
2835:
2834:
2832:
2817:
2814:
2812:
2809:
2808:
2805:
2798:
2797:
2791:
2788:Followed by:
2787:
2784:
2782:
2777:
2774:Preceded by:
2773:
2772:
2769:
2762:
2761:
2756:
2755:
2751:
2750:
2748:
2746:
2734:
2728:
2727:
2723:
2721:
2720:
2716:
2714:
2713:
2709:
2706:
2705:
2700:
2699:
2695:
2692:
2691:
2686:
2685:
2681:
2680:
2678:
2675:
2673:
2667:
2655:
2649:
2648:
2644:
2642:
2641:
2637:
2635:
2634:
2630:
2628:
2627:
2623:
2621:
2620:
2616:
2614:
2613:
2609:
2607:
2606:
2602:
2600:
2599:
2595:
2593:
2592:
2588:
2586:
2585:
2581:
2579:
2578:
2574:
2572:
2571:
2567:
2565:
2564:
2560:
2558:
2557:
2553:
2551:
2550:
2546:
2544:
2543:
2539:
2537:
2536:
2532:
2531:
2529:
2527:
2515:
2511:
2506:
2497:
2493:
2489:
2483:
2479:
2475:
2471:
2467:
2463:
2459:
2455:
2449:
2445:
2440:
2436:
2432:
2428:
2422:
2418:
2414:
2410:
2405:
2401:
2397:
2393:
2387:
2383:
2379:
2374:
2370:
2366:
2362:
2356:
2352:
2347:
2343:
2339:
2335:
2329:
2325:
2320:
2316:
2312:
2308:
2302:
2298:
2294:
2290:
2285:
2281:
2276:
2272:
2268:
2264:
2258:
2254:
2250:
2245:
2241:
2237:
2233:
2231:9781591143147
2227:
2223:
2218:
2214:
2210:
2206:
2200:
2196:
2192:
2188:
2183:
2179:
2175:
2171:
2169:0-905824-01-6
2165:
2161:
2157:
2152:
2148:
2146:0-85177-593-4
2142:
2138:
2133:
2129:
2127:3-8132-0713-7
2123:
2119:
2115:
2112:(in German).
2111:
2106:
2105:
2085:
2081:
2074:
2065:
2063:
2046:
2042:
2035:
2033:
2031:
2029:
2027:
2025:
2015:
2006:
1997:
1988:
1986:
1976:
1967:
1958:
1950:
1949:
1941:
1939:
1937:
1935:
1925:
1910:
1906:
1899:
1890:
1888:
1878:
1869:
1867:
1857:
1855:
1853:
1843:
1841:
1834:Karau, p. 49.
1831:
1829:
1827:
1820:Karau, p. 48.
1817:
1815:
1807:
1802:
1793:
1791:
1789:
1787:
1785:
1783:
1781:
1771:
1769:
1762:, p. 12.
1761:
1756:
1754:
1744:
1742:
1740:
1738:
1736:
1734:
1718:
1714:
1707:
1705:
1703:
1701:
1699:
1697:
1695:
1693:
1691:
1689:
1687:
1685:
1669:
1664:
1662:
1653:
1651:
1649:
1644:
1629:
1628:
1621:
1617:
1616:
1608:
1601:
1600:
1594:
1593:
1587:
1578:
1559:
1552:
1547:
1546:
1542:The Austrian
1539:
1532:
1528:
1524:
1520:
1519:torpedo tubes
1514:
1507:
1503:
1499:
1494:His Majesty's
1489:
1485:
1473:
1471:
1466:
1461:
1459:
1458:
1449:
1436:
1435:
1425:
1421:
1418:
1415:
1412:
1409:
1408:
1405:
1394:
1392:
1388:
1383:
1378:
1374:
1370:
1369:
1364:
1363:
1358:
1354:
1350:
1346:
1342:
1338:
1331:
1327:
1325:
1321:
1317:
1313:
1309:
1305:
1304:Подводник №18
1301:
1297:
1293:
1289:
1280:
1271:
1269:
1265:
1261:
1257:
1253:
1249:
1244:
1240:
1235:
1233:
1229:
1228:
1223:
1219:
1215:
1211:
1207:
1203:
1202:
1197:
1196:
1192:
1188:
1184:
1180:
1176:
1173:were sent to
1172:
1168:
1159:
1155:
1152:
1151:
1145:
1140:
1138:
1134:
1130:
1126:
1122:
1118:
1114:
1109:
1105:
1100:
1095:
1091:
1087:
1083:
1079:
1078:
1072:
1068:
1067:
1061:
1057:
1053:
1050:came upon an
1049:
1044:
1042:
1037:
1036:conning tower
1033:
1029:
1025:
1021:
1017:
1013:
1012:
1006:
1001:
999:
995:
991:
986:
985:Pola Flotilla
982:
978:
974:
970:
965:
963:
959:
955:
951:
947:
943:
939:
932:German career
929:
927:
923:
919:
915:
911:
906:
902:
898:
894:
890:
886:
883:When work on
881:
879:
875:
874:
869:
868:
863:
862:
856:
851:
847:
843:
838:
834:
830:
823:
818:
813:
809:
805:
804:torpedo tubes
801:
797:
793:
791:
787:
783:
779:
776:
772:
771:diesel engine
768:
764:
760:
756:
752:
748:
744:
742:
738:
737:Germaniawerft
734:
733:
728:
724:
723:torpedo tubes
719:
715:
711:
707:
697:
695:
691:
687:
683:
679:
675:
670:
668:
664:
660:
659:
653:
649:
645:
641:
640:Pola Flotilla
636:
634:
630:
626:
622:
618:
614:
610:
606:
602:
601:torpedo tubes
598:
594:
590:
587:in November.
586:
582:
578:
574:
570:
567:
566:Подводник №18
562:
558:
557:
552:
548:
544:
540:
536:
531:
527:
523:
520:
517:was a German
516:
515:
504:
501:
500:
495:
491:
489:2 × torpedoes
488:
486:
485:torpedo tubes
482:
481:
480:
477:
476:
472:
469:
468:
464:
461:
460:
454:
451:
447:
446:
445:
442:
441:
435:
432:
428:
427:
426:
423:
422:
416:
412:
409:
405:
402:
398:
397:diesel engine
394:
390:
388:
384:
383:
382:
379:
378:
374:
371:
370:
366:
363:
362:
358:
354:
351:
350:
344:
341:
337:
333:
332:
331:
328:
327:
324:
321:
318:
317:
312:
306:
303:
302:
301:
298:
297:
294:
291:
288:
287:
284:
279:
276:, August 1921
275:
271:
267:
264:
263:
259:
256:
255:
251:
248:
247:
241:Подводник №18
238:
235:
233:
230:
229:
228:
225:
224:
210:
206:
203:(19,380
200:
197:
196:
192:
189:
188:
182:
179:
176:
175:
174:
171:
170:
164:
162:
159:
156:
154:
153:Pola Flotilla
151:
150:
149:
146:
145:
142:
137:
133:
130:
129:
126:23 April 1915
125:
122:
121:
117:
114:
113:
109:
106:
105:
101:
98:
97:
94:
90:
89:Germaniawerft
87:
84:
83:
79:
76:
75:
72:
69:
66:
65:
61:
60:German Empire
49:
44:
40:
34:
29:
26:
22:
2795:
2792:(Germany) /
2780:
2778:(Germany) /
2775:
2759:
2758:
2753:
2752:
2725:
2718:
2711:
2703:
2697:
2689:
2683:
2671:
2646:
2639:
2632:
2625:
2618:
2611:
2604:
2597:
2590:
2583:
2582:
2576:
2569:
2562:
2555:
2548:
2541:
2534:
2473:
2443:
2408:
2377:
2350:
2323:
2288:
2279:
2248:
2221:
2186:
2155:
2136:
2109:
2101:Bibliography
2087:. Retrieved
2083:
2073:
2049:. Retrieved
2045:the original
2014:
2005:
1996:
1975:
1966:
1957:
1946:
1924:
1912:. Retrieved
1908:
1898:
1877:
1801:
1720:. Retrieved
1716:
1671:. Retrieved
1660:
1625:
1614:
1607:
1598:
1591:
1586:
1577:
1565:. Retrieved
1558:the original
1544:
1538:
1513:
1505:
1502:Unterseeboot
1501:
1497:
1488:
1469:
1464:
1433:
1416:Nationality
1403:
1386:
1384:
1376:
1367:
1361:
1329:
1328:
1316:Prince Kiril
1307:
1303:
1295:
1287:
1285:
1267:
1259:
1251:
1247:
1242:
1238:
1236:
1231:
1226:
1221:
1217:
1209:
1205:
1200:
1194:
1170:
1166:
1164:
1149:
1143:
1141:
1132:
1128:
1103:
1101:
1093:
1089:
1085:
1076:
1070:
1065:
1054:convoy near
1047:
1045:
1040:
1031:
1027:
1023:
1010:
1004:
1002:
976:
973:commissioned
968:
966:
957:
953:
949:
945:
941:
937:
935:
921:
888:
884:
882:
877:
872:
866:
860:
821:
819:
811:
795:
794:
789:
761:, and had a
754:
746:
745:
731:
726:
703:
686:Prince Kiril
677:
671:
657:
643:
637:
632:
629:commissioned
608:
588:
583:shipyard in
572:
571:
565:
555:
554:
513:
511:
510:
417:(89 kW)
403:(44 kW)
329:Displacement
282:
257:Commissioned
231:
177:
140:
123:Commissioned
70:
38:
25:
1806:Gröner 1991
1722:19 February
1620:Grand Fleet
1428:29 May 1915
1337:Cape Shabla
1227:Panteleimon
1102:On 4 June,
1099:s sinking.
829:Enver Pasha
808:machine gun
802:in two bow
769:4-cylinder
706:German Army
617:Dardanelles
605:machine gun
547:World War I
494:machine gun
448:1,650
413:, 119
395:4-cylinder
299:Commanders:
260:25 May 1916
190:Operations:
172:Commanders:
99:Yard number
2852:1915 ships
2831:Categories
2790:Type UB II
2480:: Osprey.
1663:(6104979)"
1640:References
1531:minelaying
1448:Royal Navy
1320:Euxinograd
1060:Royal Navy
962:Anton Haus
704:After the
667:Royal Navy
470:Complement
462:Test depth
399:, 59
380:Propulsion
342:) surfaced
198:Victories:
193:14 patrols
118:April 1915
2369:231973419
1613:HMS
1611:The real
1597:SMS
1527:Type UC I
1349:Constanţa
1148:HMS
1137:Black Sea
1113:‹See Tfd›
1082:Admiralty
1064:HMS
1020:Kefalonia
1009:SMS
990:‹See Tfd›
910:‹See Tfd›
842:‹See Tfd›
810:on deck.
800:torpedoes
751:laid down
718:Type UB I
648:Black Sea
597:torpedoes
593:displaced
577:laid down
561:Bulgarian
545:) during
535:‹See Tfd›
522:submarine
519:Type UB I
340:long tons
334:127
270:broken up
237:Bulgarian
107:Laid down
2794:SM
2496:48627495
2472:(2002).
2462:20338385
2435:59919233
2400:50208951
2342:44550580
2315:51204317
2271:50215640
2253:Penzance
2240:52924732
2213:12119866
2178:29930159
1529:coastal
1419:Tonnage
1345:Kaliakra
1341:Mangalia
1324:deck gun
1300:Cyrillic
1232:Potemkin
1179:Bulgaria
1125:Istanbul
1075:SS
926:launched
897:flatcars
714:Flanders
656:SS
625:launched
581:AG Weser
551:Bulgaria
478:Armament
289:Part of:
249:Acquired
220:Bulgaria
147:Part of:
115:Launched
2297:Praeger
2114:Hamburg
2089:5 April
2051:5 April
1914:5 April
1673:5 April
1599:Triglav
1567:4 April
1452:19,380
1391:Bizerta
1373:Balchik
1357:Sozopol
1290:by the
1262:to the
767:Daimler
690:Bizerta
579:at the
528:in the
393:Daimler
274:Bizerta
85:Builder
77:Ordered
46:History
2742:
2663:
2523:
2494:
2484:
2478:Oxford
2460:
2450:
2433:
2423:
2398:
2388:
2367:
2357:
2340:
2330:
2313:
2303:
2269:
2259:
2238:
2228:
2211:
2201:
2176:
2166:
2143:
2124:
1470:19,380
1465:Total:
1445:
1434:Merion
1368:Gromki
1362:Bystry
1355:, and
1353:Burgas
1150:Manica
1117:German
1094:Merion
1086:Merion
1077:Merion
1056:Lemnos
1052:Allied
1028:Novara
1011:Novara
994:German
914:German
846:German
820:While
658:Merion
631:as SM
585:Bremen
539:German
526:U-boat
352:Length
2783:class
2704:UB-15
2674:class
2647:UB-17
2640:UB-16
2633:UB-15
2626:UB-14
2619:UB-13
2612:UB-12
2605:UB-11
2598:UB-10
1615:Tiger
1561:(PDF)
1554:(PDF)
1521:with
1480:Notes
1455:Sunk
1422:Fate
1413:Name
1410:Date
1380:'
1333:'
1214:Varna
1195:Almaz
1097:'
1090:Tiger
1066:Tiger
825:'
815:'
763:draft
759:abeam
694:Varna
665:as a
502:Notes
443:Range
431:knots
429:6.47
424:Speed
372:Draft
338:(125
178:Oblt.
2796:U-14
2776:None
2760:UB-8
2757:(ex-
2726:U-17
2719:U-16
2712:U-15
2701:(ex-
2698:U-11
2690:UB-1
2687:(ex-
2684:U-10
2672:U-10
2591:UB-9
2584:UB-8
2577:UB-7
2570:UB-6
2563:UB-5
2556:UB-4
2549:UB-3
2542:UB-2
2535:UB-1
2492:OCLC
2482:ISBN
2458:OCLC
2448:ISBN
2431:OCLC
2421:ISBN
2396:OCLC
2386:ISBN
2365:OCLC
2355:ISBN
2338:OCLC
2328:ISBN
2311:OCLC
2301:ISBN
2267:OCLC
2257:ISBN
2236:OCLC
2226:ISBN
2209:OCLC
2199:ISBN
2174:OCLC
2164:ISBN
2141:ISBN
2122:ISBN
2091:2009
2053:2009
1916:2009
1724:2009
1675:2009
1661:UB-8
1592:UB-7
1569:2009
1523:mine
1500:for
1404:UB-8
1365:and
1339:and
1298:(in
1288:UB-8
1268:UB-7
1260:UB-8
1256:Kiel
1252:UB-8
1250:and
1248:UB-7
1243:UB-8
1241:and
1239:UB-7
1222:UB-7
1218:UB-8
1210:UB-8
1208:and
1206:UB-7
1198:and
1171:UB-8
1169:and
1167:UB-7
1144:UB-8
1133:UB-8
1129:UB-8
1104:UB-8
1071:UB-8
1048:UB-8
1041:UB-8
1032:UB-8
1024:UB-8
1005:UB-8
977:UB-8
969:UB-8
956:and
946:UB-8
938:UB-8
924:was
922:UB-8
901:Pola
889:UB-8
887:and
885:UB-7
878:UB-8
876:and
873:UB-7
864:and
822:UB-8
812:UB-8
796:UB-8
790:UB-8
755:UB-8
749:was
747:UB-8
741:Kiel
732:UB-1
727:UB-8
684:and
644:UB-8
633:UB-8
627:and
621:Pola
609:UB-8
589:UB-8
573:UB-8
514:UB-8
406:1 ×
391:1 ×
385:1 ×
364:Beam
265:Fate
226:Name
141:UB-8
131:Fate
93:Kiel
71:UB-8
67:Name
39:UB-8
2781:U-5
1545:U-3
1000:).
958:U-4
954:U-3
942:U-8
867:U-4
861:U-3
852:or
739:of
676:as
524:or
512:SM
450:nmi
415:shp
401:bhp
357:o/a
272:at
205:GRT
102:246
37:SM
2833::
2490:.
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2456:.
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2419:.
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2120:.
2116::
2082:.
2061:^
2023:^
1984:^
1933:^
1907:.
1886:^
1865:^
1851:^
1839:^
1825:^
1813:^
1779:^
1767:^
1752:^
1732:^
1715:.
1683:^
1666:.
1647:^
1302::
1119::
1022:.
996::
916::
848::
725:.
607:.
563::
541::
473:14
239::
91:,
2763:)
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1918:.
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1508:.
1498:U
1110:(
987:(
839:(
559:(
532:(
359:)
336:t
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23:.
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