Editing Tegetthoff-class battleship (section)

{{Short description|Austro-Hungarian dreadnought battleship class}}
{{Use American English|date=June 2018}}
{{Use dmy dates|date=June 2018}}
{| {{Infobox ship begin}}
{{Infobox ship image
| Ship image   = SMS Viribus Unitis 1912.png
| Ship caption = ''Viribus Unitis'', the lead ship of the ''Tegetthoff''-class battleships, in 1912
}}
{{Infobox ship class overview
| Name=''Tegetthoff''-class battleship
| Builders =
* [[Stabilimento Tecnico Triestino]]
* [[Ganz Works#Shipbuilding, Ganz - Danubius|Ganz-Danubius]] 
| Operators =
*{{navy|Austria-Hungary}}
*{{navy|State of Slovenes, Croats and Serbs}}{{sfn|Sokol|1968|p=139}}{{refn|''Viribus Unitis'' was transferred to the State of Slovenes, Croats and Serbs on 31 October 1918. The next day, the ship was destroyed by an Italian mine while moored at port in Pola. She was owned by the unrecognized state for only one day. ''Tegetthoff'' and ''Prinz Eugen'' were also handed over to the new state as well, but Italy's occupation of Pola on 5 November prevented their transfer.|group = lower-alpha}}
*{{navy|France}}{{refn|On 5 November, Italian troops occupied Pola and the Italian flag was raised above ''Tegetthoff'' and ''Prinz Eugen'' on 9 November. Both ships were surrendered to the Allied Powers by the State of Slovenes, Croats and Serbs on 10 November 1918. Under the [[Treaty of Saint-Germain-en-Laye (1919)|Treaty of Saint-Germain-en-Laye]] in 1920, ''Tegetthoff'' was ceded to Italy while ''Prinz Eugen'' was ceded to France.|name = Aftermath|group = lower-alpha}}
*{{navy|Kingdom of Italy|name=''Regia Marina''}}{{refn|name = Aftermath|group = lower-alpha}}
| Class before ={{sclass|Radetzky|battleship|4}}
| Class after ={{sclass|Ersatz Monarch|battleship|4}}
| Subclasses = 
| Built range = 1910–1914
| Cost = 60,600,000 [[Austro-Hungarian krone|Krone]] per ship{{sfn|Sieche|1991|p=116}}
| In commission range = 1912–1918
| Total ships completed = 4
| Total ships lost = 2
| Total ships scrapped = 2
}}
{{Infobox ship characteristics
| Hide header = 
| Header caption = 
| Ship type = [[Dreadnought battleship]]
| Ship displacement =
*{{convert|20,000|t|LT|abbr=on|0}} designed
*{{convert|21,689|t|LT|abbr=on|0}} full load
| Ship length ={{convert|152|m|ftin|abbr=on}}
| Ship beam ={{convert|27.90|m|ftin|abbr=on}}
| Ship draft ={{convert|8.70|m|ftin|abbr=on}}
| Ship propulsion =*4 shafts; 4 [[steam turbine]] sets{{refn|''Szent István'' possessed two shafts and two turbines as opposed to four of each among the other three ships of the ''Tegetthoff'' class.|group = lower-alpha}}
| Ship power =*{{convert|26400|or|27000|shp|lk=in|abbr=on|sp=us}}
*12 [[boiler]]s
| Ship speed ={{convert|20|kn|lk=in|sp=us}}{{refn|Official records for the speed trials of all four ships of the ''Tegetthoff'' class were lost at the end of the war. It is estimated based on the propulsion of the class that a speed of {{convert|20|kn|sp=us}} was attainable. In March 1913 it was reported that ''Tegetthoff'' produced a top speed of {{convert|19.75|kn|sp=us}}.|group = lower-alpha}}
| Ship range ={{convert|4200|nmi|lk=in|abbr=on}} at {{convert|10|kn|sp=us}}
| Ship complement = 1,087{{sfn|Sieche|1991|p=133}}
| Ship armament =* 4 × triple [[Škoda 30.5 cm /45 K10|{{convert|30.5|cm|in|0|abbr=on}} guns]]
* 12 × single [[Škoda 15 cm K10|{{convert|15|cm|in|1|abbr=on}} guns]]
* 18 × single [[Škoda 7 cm K10|{{convert|66|mm|in|1|abbr=on}} guns]]
*  3 × single [[Škoda 7 cm guns|66&nbsp;mm]] [[AA gun]]s
*  4 × {{convert|533|mm|in|0|abbr=on}} [[torpedo tube]]s
| Ship armor =*[[Belt armor|Belt]]: {{cvt|150|to|280|mm|0}}
*[[Gun turret|Turrets:]] {{cvt|60|to|280|mm|0}}
*[[Deck (ship)|Deck]]: {{cvt|30|to|48|mm|1}}
*[[Casemate#Single casemates .281889 onwards.29|Casemate]]s: {{cvt|180|mm|1}}
| Ship notes = 
}}
|}

The '''''Tegetthoff'' class''' (also called the '''''Viribus Unitis'' class'''{{sfn|Sokol|1968|p=69}}{{sfn|Koburger|2001|p=29}}{{sfn|Prasky|1978|p=105}}) was a [[ship class|class]] of four [[dreadnought battleship]]s built for the [[Austro-Hungarian Navy]]. Named for Austrian Admiral [[Wilhelm von Tegetthoff]], the class was composed of {{SMS|Viribus Unitis}}, {{SMS|Tegetthoff|1912|6}}, {{SMS|Prinz Eugen|1912|6}}, and {{SMS|Szent István}}. Construction started on the ships shortly before [[World War I]]; ''Viribus Unitis'' and ''Tegetthoff'' were both [[Keel laying|laid down]] in 1910, ''Prinz Eugen'' and ''Szent István'' followed in 1912.{{sfn|Sokol|1968|pp=150–151}} Three of the four warships were built in the [[Stabilimento Tecnico Triestino]] shipyard in [[Trieste]]; ''Szent István'' was built in the [[Ganz Works#Shipbuilding, Ganz - Danubius|Ganz-Danubius]] shipyard in [[Rijeka|Fiume]], so that both parts of the [[Dual Monarchy]] would participate in the construction of the ships.{{sfn|Sieche|1985|p=334}}{{sfn|Sieche|1991|p=116}} The ''Tegetthoff''-class ships hold the distinction for being the first and only dreadnought battleships of the Austro-Hungarian Navy.{{sfn|Sokol|1968|p=116}}
The SMS Szent István had a different more modern propulsion system than her sister ships.

''Viribus Unitis'' and ''Tegetthoff'' were [[Ship commissioning|commissioned]] into the fleet in December 1912 and July 1913, respectively. ''Prinz Eugen'' followed in July 1914.{{sfn|Sieche|1985|p=334}} The smaller shipyards in Fiume resulted in a slower construction which was further delayed by the outbreak of the war, with ''Szent István'' commissioned into the fleet in December 1915.{{sfn|Sieche|1991|p=133}} This was too late for her to take part in the [[Bombardment of Ancona]] in which the remaining ships in the class saw action immediately following Italy's declaration of war on Austria-Hungary in May 1915.{{sfn|Sokol|1968|pp=105–107}}{{sfn|Halpern|1995|p=54}}

All of the ''Tegetthoff''s were members of the 1st Battleship Division at the beginning of the war and were stationed out of the naval base at [[Pula|Pola]].{{sfn|Greger|1976|p=11}} Following the Bombardment of Ancona and the commissioning of ''Szent István'', the four ships saw little combat due to the [[Otranto Barrage]] which prohibited the Austro-Hungarian Navy from leaving the [[Adriatic Sea]].{{sfn|Halpern|1995|p=54}} In June 1918, in an attempt to earn safer passage for German and Austro-Hungarian [[U-boat]]s through the [[Strait of Otranto]], the Austro-Hungarian Navy attempted to break the Barrage with a major attack on the strait, but it was abandoned after ''Szent István'' was sunk by the Italian [[motor torpedo boat]] ''[[MAS (motorboat)|MAS-15]]'' on the morning of 10 June.{{sfn|Sokol|1968|pp=133–134}}

After the sinking of ''Szent István'', the remaining three ships of the class returned to port in Pola where they remained for the rest of the war. When Austria-Hungary was facing defeat in the war in October 1918, the Austrian government decided to transfer ''Viribus Unitis'' to the newly formed [[State of Slovenes, Croats and Serbs]] in order to avoid having to hand the ship over to the [[Allies of World War I|Allied Powers]]. Renamed ''Jugoslavija'', the ship was destroyed by an Italian [[Limpet mine|mine]] in the [[Raid on Pola]] a day later.{{sfn|Sokol|1968|p=139}} Following the [[Armistice of Villa Giusti]] in November 1918, ''Prinz Eugen'' was ceded to France where she was sunk as a [[target ship]] in 1922, while ''Tegetthoff'' was handed over to Italy and [[Ship breaking|scrapped]] between 1924 and 1925.{{sfn|Sieche|1985|p=334}} The wreck of ''Viribus Unitis'' was salvaged from Pola harbor and broken up between 1920 and 1930.{{sfn|Prasky|1978|p=107}}