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SMS Körös

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Yugoslav monitor Morava
History
Austria-Hungary
NameKörös
NamesakeKörös River
Laid down1890
Launched1892
In service1892
Out of service1918
FateAssigned to the Kingdom of Serbs, Croats and Slovenes (KSCS)
NotesSister ship SMS Szamos was dismantled and used as a pontoon
History
KSCS/Kingdom of Yugoslavia
NameMorava
NamesakeMorava River
Acquired1920
FateScuttled by her crew on 11/12 April 1941
History
Independent State of Croatia
NameBosna
NamesakeBosna River
AcquiredRaised and repaired
FateMined June 1944
General characteristics
Class and typeKörös-class river monitor
Displacement448 tonnes (441 long tons)
Length54 m (177 ft 2 in)
Beam9 m (29 ft 6 in)
Draught1.2 m (3 ft 11 in)
Installed powerlist error: <br /> list (help)
1,200 ihp (890 kW)
2 Yarrow boilers
Propulsion2 Triple-expansion steam engines
Speed10 knots (19 km/h)
Complement84 officers and enlisted men
Armamentlist error: mixed text and list (help)
  • 2 × 120 mm (4.7 in)/L35 guns (1 × 2)
  • 2 × 66 mm (2.6 in)/L42 guns
  • 2 × machine guns

The Yugoslav monitor Morava was the name ship of the Körös-class river monitors built for the Austro-Hungarian Navy. Completed in 1892, SMS Körös was part of the Danube Flotilla, and fought the Serbian Army, the Romanian Navy and Army, and the French Army from Belgrade to the lower Danube. After World War I she was transferred to the newly created Kingdom of Serbs, Croats and Slovenes (later Yugoslavia), and renamed Morava.

During the German-led Axis invasion of Yugoslavia in April 1941, she was the flagship of the 2nd Mine Barrage Division, and operated on the Tisza river. She fought off attacks by the Luftwaffe, and even shot down one enemy aircraft, but was forced to withdraw to Belgrade. Due to high river levels and low bridges, navigation of monitors was difficult, and she was scuttled by her crew on 11 April. Some of her crew tried to escape cross-country towards the southern Adriatic coast, but most were obliged to surrender on 14 April. The remainder made their way to the Bay of Kotor, which was captured by the Italian XVII Corps on 17 April. She was subsequently raised by the navy of the Axis puppet state the Independent State of Croatia and continued in service as Bosna until June 1944 when she struck a mine and sank.

Description and construction

The name ship of the Körös-class river monitors was built for the Austro-Hungarian Navy by H. Schönichen. She was laid down at Budapest in 1890 and was launched and completed in 1892. Along with her sister ship SMS Szamos she had an overall length of 54 m (177 ft 2 in), a beam of 9 m (29 ft 6 in), and a normal draught of 1.2 m (3 ft 11 in). Her displacement was 448 tonnes (441 long tons), and her crew consisted of 84 officers and enlisted men. The ship was powered using steam generated by two Yarrow boilers driving two triple-expansion steam engines,[1] and carried 54 long tons (55 t) of coal.[2] Her engines were rated at 1,200 ihp (890 kW) and she was designed to reach a top speed of 10 knots (19 km/h; 12 mph).[3]

Körös was armed with one twin gun turret of 120 mm (4.7 in)/L35[a] guns, two 66 mm (2.6 in)/L42 guns, and two machine guns. Her armour consisted of belt and bulkheads 50 mm (2.0 in) thick, deck armour 19 mm (0.75 in) thick, and her conning tower had 75 mm (3.0 in) thick armour. Körös was completed and launched in 1892. Her sister ship, Szamos was completed in 1893, and was identical except for 50 mm (2.0 in) thick armour on her conning tower.[3]

Career

Commissioning and World War I

Serbian Campaign

Körös was commissioned into the Danube Flotilla, and at the start of World War I she was based at Zemun, just upstream from Belgrade on the Danube, with another three monitors and three patrol boats.[4] Austria-Hungary declared war on the Kingdom of Serbia on 28 July 1914, and that night the flotilla fired the first shots of the war against fortifications at the Zemun-Belgrade railway bridge over the Sava and on the Topčider Hill, although Körös was not initially involved. The Serbs were outgunned by the monitors, and by August began to receive assistance from the Russians. This support included the supply and emplacement of naval guns and the establishment of river obstacles and mines.[5]

The Austro-Hungarian base at Zemun was briefly evacuated due to a Serbian counterattack in September.[6] On 28 September, Körös, along with the monitor SMS Temes, a patrol boat and a minesweeper, broke through the minefields on the Sava near Belgrade and pushed upstream to join the fighting near Šabac.[7] In November, French artillery support arrived in Belgrade, endangering the monitor's anchorage.[8] The stalemate continued until December 1914 when the Serbs briefly evacuated Belgrade in the face of an Austro-Hungarian assault, although Körös did not support this action. After less than two weeks, the Austrians had to withdraw from Belgrade, and it was soon re-occupied by the Serbs, reinforced by the Russians and French. Körös continued in action against Serbia and her allies at Belgrade until December, when their base was withdrawn to Petrovaradin for the winter.[9]

In January 1915, British artillery arrived in Belgrade, further bolstering its defences.[10] On 22 April 1915, a British picket boat that had been brought overland by rail from Salonika was used to attack the Danube Flotilla anchorage at Zemun, firing two torpedoes without success.[11] In September 1915, the Central Powers were joined by Bulgaria, and the Serbian Army soon faced overwhelming Austrian and German ground troops. On 7 October, the Austro-Hungarian 3rd Army attacked Belgrade, and Körös, along with the majority of the flotilla, was heavily engaged in support of the crossings near the Belgrade Fortress and Ada Ciganlija island.[12] During the final river crossing and support of the resulting bridgehead, Körös provided close support, during which her stack was hit and damaged. The following day, Körös assisted SMS Enns when she took a direct hit and began to take on water.[13]

Following the capture of Belgrade, the flotilla sailed downstream to Orșova near the Hungarian-Romanian border and waited for the lower Danube to be swept for mines. They then escorted a series of munitions convoys down the Danube to Lom where they were transferred to the Bulgarian railway system for shipment to their ally Turkey.[14]

Romanian campaign

In November 1915, Körös and the other monitors were assembled at Rustschuk, Bulgaria.[14] The position of Romania was uncertain, with the Central Powers being aware that the Romanians were negotiating to enter the war on the side of the Entente. To protect the 480 km (300 mi) long Danubian border between Romania and Bulgaria, the Flotilla established a sheltered base in the Belene Canal.[15] When the Romanians entered the war on 27 August 1916, the monitors were again at Rustschuk, and were immediately attacked by three improvised torpedo boats operating out of the Romanian river port of Giurgiu. The torpedoes that were fired missed the monitors but struck a lighter loaded with fuel. The Second Monitor Division, consisting of Körös and three other monitors, was tasked with shelling Giurgiu, and subsequently set fire to oil storage tanks, the railway station and magazines, and sank several Romanian lighters. While the attack was underway, the First Monitor Division escorted supply ships back to the Belene anchorage. The Körös and her companions then destroyed two Romanian patrol boats and an improvised minelayer on their way back to Belene. This was followed by forays of the monitors both east and west of Belene, during which both Turnu Măgurele and Zimnicea were shelled.[16]

In April 1918, Körös, along with three other monitors, two patrol boats and a tug were formed into Flottenabteilung Wulff under the command of Flottenkapitän (Fleet Captain) Olav Wulff. Flottenabteilung Wulff was sent through the mouth of the Danube and across the Black Sea to Odessa, where it spent several months supporting the Austro-Hungarian troops enforcing the peace agreement with Russia. They returned to the Danube at the end of August, and were anchored at Brăila on 12 September. On 16 October, she and the rest of the First Monitor Division sailed from Brăila to Belene. The Danube Flotilla then protected Austro-Hungarian troops withdrawing towards Budapest, fighting French and irregular Serbian forces as they withdrew, and arrived on 6 November.[17]

Interwar period

Immediately after the armistice, Körös was crewed by sailors of the newly created Kingdom of Serbs, Croats and Slovenes (KSCS, later the Kingdom of Yugoslavia) in 1918–19. Under the terms of the Treaty of Saint-Germain-en-Laye concluded in September 1919, Körös was transferred to the KSCS along with a range of other vessels, including three other river monitors, but was officially handed over to the KSCS Navy and renamed Morava in 1920.[18] Her sister ship Szamos was dismantled and used as a pontoon.[3]

World War II

On 6 April 1941, when the German-led Axis invasion of Yugoslavia began, Morava was based at Stara Kanjiža on the Tisza river, as the flagship of the 2nd Mine Barrage Division,[19] responsible for the Hungarian border, under the operational control of the 7th Infantry Division Potiska.[20] The remainder of the 2nd Mine Barrage Division consisted of the river tug R-XXI, the river transport Senta, and a few mobilised customs motorboats,[19] based further south on the Tisza at Senta.[20] On 7 April, Morava withdrew to Senta, where she was attacked by German aircraft. According to her commander, Porucnik bojnog broda[b] Božidar Aranđelović, her crew shot down one German aircraft and captured a Luftwaffe Oberstleutnant.[c][23] On 10 April, Morava was ordered to withdraw to conform with the retreat of the 2nd Army Group of the Royal Yugoslav Army from Bačka and Baranja.[24] On the evening of 11 April, Morava anchored at the confluence of the Danube and Sava near Belgrade, along with her fellow monitors Vardar and Sava, and Aranđelović took command of the flotilla. The three captains conferred, and decided to scuttle their vessels due to the high water levels in the rivers and low bridges, which meant insufficient clearance for the monitors to navigate freely. The crews of the monitors were transshipped to two tugboats, but when one of the tugboats was passing under a railway bridge, charges on the bridge exploded and the bridge fell onto the tugboat. Of the 110 officers and men aboard the vessel, 95 were killed.[25][26]

After the scuttling of the monitors, around 450 officers and men from the Morava and various other riverine vessels gathered at Obrenovac, and armed only with personal weapons and some machine guns stripped from the scuttled vessels, started towards the Bay of Kotor in the southern Adriatic in two groups. The smaller of the two groups reached its objective,[27] but the larger group only made it as far as Sarajevo on 14 April before they were obliged to surrender.[28] The remainder made their way to the Bay of Kotor, which was subsequently captured by the Italian XVII Corps on 17 April.[29]

She was subsequently raised and repaired by the navy of the Axis puppet state the Independent State of Croatia,[26] in which she served as Bosna.[30] She struck a mine and sank in June 1944.[26]

Notes

  1. ^ L/35 denotes the length of the gun. In this case, the L/35 gun is 35 calibre, meaning that the gun was 35 times as long as the diameter of its bore.
  2. ^ Equivalent to a United States Navy lieutenant commander.[21]
  3. ^ Oberstleutnant was equivalent to a United States Army lieutenant colonel.[22]

Footnotes

  1. ^ Greger 1976, pp. 138–139.
  2. ^ Jane's Information Group 1989, p. 315.
  3. ^ a b c Greger 1976, p. 139.
  4. ^ Halpern 2012, p. 262.
  5. ^ Halpern 2012, pp. 263–265.
  6. ^ Halpern 2012, p. 263.
  7. ^ Halpern 2012, pp. 263–264.
  8. ^ Halpern 2012, p. 265.
  9. ^ Halpern 2012, pp. 265–266.
  10. ^ Halpern 2012, p. 266.
  11. ^ Halpern 2012, pp. 270–271.
  12. ^ Halpern 2012, p. 272.
  13. ^ Halpern 2012, p. 273.
  14. ^ a b Halpern 2012, p. 274.
  15. ^ Halpern 2012, p. 275.
  16. ^ Halpern 2012, p. 277.
  17. ^ Halpern 2012, pp. 284–286.
  18. ^ Gardiner 1985, p. 426.
  19. ^ a b Niehorster 2013a.
  20. ^ a b Terzić 1982, p. 168.
  21. ^ Niehorster 2013b.
  22. ^ Stein 1984, p. 295.
  23. ^ Terzić 1982, p. 313.
  24. ^ Terzić 1982, p. 375.
  25. ^ Terzić 1982, pp. 391–392.
  26. ^ a b c Chesneau 1980, p. 357.
  27. ^ Terzić 1982, p. 432.
  28. ^ Terzić 1982, pp. 432 & 405.
  29. ^ Terzić 1982, p. 457.
  30. ^ Chesneau 1980, p. 359.

References

Books

  • Chesneau, Roger, ed. (1980). Conway's All the World's Fighting Ships, 1922–1946. London, England: Conway Maritime Press. ISBN 978-0-85177-146-5. {{cite book}}: Invalid |ref=harv (help)
  • Gardiner, Robert, ed. (1985). Conway's All the World's Fighting Ships, 1906–1921. London, England: Conway Maritime Press. ISBN 978-0-85177-245-5. {{cite book}}: Invalid |ref=harv (help)
  • Greger, René (1976). Austro-Hungarian Warships of World War I. London, England: Allan. ISBN 978-0-7110-0623-2. {{cite book}}: Invalid |ref=harv (help)
  • Halpern, Paul G. (2012). A Naval History of World War I. Annapolis, Maryland: Naval Institute Press. ISBN 978-0-87021-266-6. {{cite book}}: Invalid |ref=harv (help)
  • Jane's Information Group (1989) [1946/47]. Jane's Fighting Ships of World War II. London, England: Studio Editions. ISBN 978-1-85170-194-0. {{cite book}}: Invalid |ref=harv (help)
  • Stein, George H. (1984). The Waffen SS: Hitler's Elite Guard at War, 1939–45. Ithaca, New York: Cornell University Press. ISBN 0-8014-9275-0. {{cite book}}: Invalid |ref=harv (help)
  • Terzić, Velimir (1982). Slom Kraljevine Jugoslavije 1941 : uzroci i posledice poraza (in Serbo-Croatian). Vol. 2. Belgrade, Yugoslavia: Narodna knjiga. OCLC 10276738. {{cite book}}: Invalid |ref=harv (help); Unknown parameter |trans_title= ignored (|trans-title= suggested) (help)

Web

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