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SMS Szent István

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SMS Szent István in the Fazanski Canal
History
Austro-Hungarian Navy Ensign
NameSMS Szent István
BuilderGanz & Company, Fiume
Laid down29 January 1912
Launched17 January 1914
Commissioned17 November 1915
FateSunk, 10 June 1918
General characteristics
Class and typeTegetthoff-class battleship
Displacement20,000 t (19,684 long tons) standard
Length152 m (498 ft 8 in)
Beam27.9 m (91 ft 6 in)
Draught8.7 m (28 ft 7 in)
Propulsionlist error: <br /> list (help)
12 × Babcock & Wilcox boilers
4 × AEG-Curtis steam turbines, 26,400 hp (19,686 kW)
4 shafts
Speed20.4 knots (23.5 mph; 37.8 km/h)
Range4,200 nmi (7,800 km) at 10 kn (12 mph; 19 km/h)
Complement1087
Armamentlist error: <br /> list (help)
• 12 × 305 mm (12 in) guns in triple turrets
• 12 × 150 mm (6 in) guns in single casemates
• 18 × 70 mm (3 in) guns in single mountings
• 4 × 533 mm (21 in) torpedo tubes
Armourlist error: <br /> list (help)
Belt, barbettes, turrets and conning tower: 275 mm (11 in)
Deck: 35 mm (1 in)

SMS Szent István was a dreadnought battleship, the only one built almost entirely by the Hungarian part of Austria-Hungary. Hungary was awarded the contract to build the battleship in return for agreeing to the immense funding of the Tegetthoff-class battleship, and named her after Hungary's first Christian king, Saint Stephen (Szent István in Hungarian).

Building

File:SMS Szent Istvan.png
Front armament of the Ship: The triple turrets. Three main cannons in every turret. (the back armament is the same system)

Szent István was laid down on 29 January 1912 at Ganz & Company's Danubius yard at Fiume, (the only large Croatian shipyard), was launched on 17 January 1914, and not named Szent István until 13 December 1915. This involved great expense, as the yard had hitherto only built smaller merchant ships for, amongst others, Austrian Lloyd, and therefore had to be itself re-fitted for the building of larger vessels.

She differed from her three sister ships in that she had a platform built around the fore funnel which extended from the bridge to the after funnel and on which several searchlights were installed. A further distinguishing feature was the modified ventilator trunk in front of the mainmast. She was the only ship of her class not to be fitted with torpedo nets.

Based at Pola she engaged in the usual patrols and bombardments along the Italian coast.

Sinking

Szent István low in the water.
The last moments of SMS Szent István.

At 3.30 a.m. on the morning of 10 June 1918, in the company of SMS Tegetthoff and seven other ships en route to attack the Otranto Barrage, Szent István was hit by two 45 cm torpedoes launched from the Italian MAS-15 Motor Torpedo Boat under Lt. Cdr. Luigi Rizzo. Many of the 1,087 crew were asleep, resting before the battle expected in a few hours. Immediate chaos soon changed into frantic efforts to save the vessel which was rapidly shipping water. The Tegetthoff, which had at first sped away from the vicinity of the torpedo attack, returned and took the Szent István in tow, in an attempt to reach the massive dry dock at Pula. However the pumps were unequal to the task before them and the ship continued to list slowly, sinking at 6.12 am off Premuda island. It is said she sank easily due to faults in the Tegetthoff class design: low displacement and high centre of gravity, together with the tremendous weight of the twelve 305 mm (12-inch) main guns. There were, however, only 89 dead, partly attributed to the fact that all sailors with the KuK Navy had to learn to swim before entering active service.

There is film footage of the last half-hour of the Szent István, taken by Lieutenant Mensburger from the Tegetthoff. The Szent István is one of only three battleships whose sinking was filmed, together with HMS Barham and USS Arizona. The Szent István film was later used to raise money for the Red Cross.

See also

The launch of Szent István at shipyard.

References

  • Wagner, Dr.Walter, & Gabriel, Dr.Erich, Die 'Tegetthoff' Klasse, Vienna, January 1979, pps: 7-9 (technical details), 96-97 (10 stills from sinking footage with comment).
  • Kennedy, Paul, The Sinking of the Szent Istvan, in The History of the First World War, BPC Publishing Ltd., Bristol, England, 1971, vol.7, no.14, pps:3072 - 3075.