|Type||Defunct (merged 1929)|
|Industry||Naval and commercial shipbuilding|
|Headquarters||Trieste, Austria (later Italy)|
Stabilimento Tecnico Triestino (STT) (Technical Establishment of Trieste) was a private shipbuilding company based in Trieste from the mid-19th to early 20th century, and the most important naval shipbuilding firm of the Austro-Hungarian Empire.
After World War I, Trieste was ceded to Italy and the firm built naval and commercial vessels for its new host country. STT was merged with another Italian shipbuilding firm, Cantiere Navale Triestino, in 1929 to form Cantieri Riuniti dell' Adriatico (CRDA). As CRDA Trieste, its shipyards remained active well into the postwar period, becoming part of the Fincantieri group in 1984.
Stabilimento Tecnico Triestino had its origins in a private shipyard founded by Giuseppe Tonello at San Marco, on the coastline west of Trieste, in 1838. In 1857, the shipyard was merged with a local manufacturer of marine engines to become STT. A second shipyard was also acquired, at San Rocco near the town of Muggia just south of Trieste. STT was the largest and most important shipbuilder in the Austrian Empire and its successor state, the Austro-Hungarian Empire. The company built most of the Austro-Hungarian Navy's capital ships, as well as many merchant vessels. In the 1860s and 1870s, STT built five of the Austro-Hungarian Navy's seven centre-battery ships (a forerunner of the battleship), as well as a number of ironclads, cruisers, frigates and corvettes. Between 1884 and 1914, the company built 13 of the Austro-Hungarian Navy's 16 battleships, including all three battleships of the Habsburg class, all three of the Radetzky class, and three of the four Tegetthoff class. It also built the three coastal defence battleships of the Monarch class. In 1909 Rudolf Montecuccoli, chief of the Austro-Hungarian Navy, pressured STT (together with Škoda) to start work on two dreadnoughts, Viribus Unitis and Tegetthoff, even though approval of the budget for them was held up in the Austro-Hungarian Reichstag - being concerned about Italy and France embarking on dreadnought projects of their own. Montecuccoli was compelled to resort to an intricate web of propaganda and deception to camouflage the fact that the new ships did not have Reichstag approval. He asserted that industry was financing the construction of two dreadnoughts on speculation; this was completely untrue, and both STT and Skoda were extremely nervous about the subterfuge. In the event, the two ships could not be laid down until after Montecuccoli took an expensive 32 million crown credit in 1910 upon his own responsibility. The parliamentary approval was only granted in March 1911, when the dreadnoughts were already under construction. STT then also got the contract for the Prinz Eugen.
By 1914, the San Rocco shipyard had five slipways of between 350 and 500 feet (three of which served to construct battleships) as well as a 350 foot dry dock and a 400 foot floating dock. The company had its own plant in Muggia for the manufacturer of engines and boilers, and a licence from the United Kingdom to produce Parsons steam turbines. In the years prior to World War I, the company's workforce had been gradually expanded from 2,700 to approximately 3,200.
Following Italy's entry into World War I against the Central Powers (which included Austria-Hungary), STT was stripped of its Italian name and given the patriotic German name Austriawerft. Austriawerft was contracted to build two new battleships during the war, but these were cancelled in 1915, probably due to the company's loss of skilled workers, most of whom were Italian. Two submarines contracted to the company later in the war also had to be cancelled due to the lack of experienced submarine technicians.
After the Austro-Hungarian Empire broke up at the close of World War I, the region of Trieste was ceded to Italy and Austriawerft became an Italian firm, whereupon its original name, Stabilimento Tecnico Triestino, was restored. During the 1920s, STT built the heavy cruiser Trieste for the Italian navy, and the luxury commercial liner SS Conte Grande. In 1929, STT merged with another Italian company, Cantieri Navale Triestino based at Monfalcone, to form Cantieri Riuniti dell' Adriatico (CRDA) (United Shipbuilders of the Adriatic), and the STT component was named CRDA Trieste. CRDA Trieste built a number of light and heavy cruisers for the Regia Marina Italia (Royal Italian Navy) between the wars, as well as some 27 submarines. The ocean liner SS Conte di Savoia was also constructed in 1932.
During the Second World War, CRDA Trieste built two battleships for the Regia Marina, Vittorio Veneto and Roma. CRDA Trieste survived the postwar shakeup in the shipbuilding industry and went on to build several more commercial liners in the 1950s and 1960s, as well as a few naval vessels. In 1984, CRDA was sold to the Fincantieri Group, and its Trieste shipyards were no longer considered important ship construction or repair facilities. However, as of 2000, the shipyards still retained three dry docks capable of serving ships up to 25,000, 35,000 and 170,000 tons respectively.
The following table lists the capital ships built for the Austro-Hungarian Navy. An asterisk denotes a unique ship.
|Erzherzog Ferdinand Max||Ironclad||Erzherzog Ferdinand Max||1866||N/A||Scrapped 1917|
|Habsburg||Ironclad||Erzherzog Ferdinand Max||1866||N/A||Scrapped 1900|
|Vasilissa Olga||Ironclad||*||1869||2,000||Built for Greek Navy, scrapped 1925|
|Zrinyi (or Niclas Zrinyi)||Screw corvette||Zrinyi||1871||1,450||Scrapped after 1920|
|Radetzky||Screw frigate||Radetzky||1873||4,000||To Italy in 1919, scrapped 1921|
|Erzherzog Albrecht||Centre-battery||*||1874||6,500||To Italy in 1920, scrapped 1955|
|Laudon||Screw frigate||Radetzky||1875||4,000||To SHS 1919, to Italy in 1921, scrapped 1924|
|Custoza||Centre-battery||*||1875||7,700||To Italy in 1919, scrapped after collision, 1925|
|Don Juan d'Austria||Centre-battery||Kaiser Max||1876||4,000||Sunk, 1919|
|Kaiser Max||Centre-battery||Kaiser Max||1878||4,000||To Serbo-Croatia 1920, sunk as breakwater, 1945|
|SMS Tegetthoff||Centre-battery||Tegetthoff||1881||8,000||To Italy in 1919, scrapped after 1921|
|SMS Kronprinzessin Erzherzogin Stephanie||Battleship||*||1887||5,631||To Italy in 1919, scrapped 1926|
|SMS Tiger||Torpedo cruiser||*||1888||1,683||To Italy in 1919, scrapped 1920|
|SMS Kaiser Franz Joseph I||Torpedo/ram cruiser||Kaiser Franz Joseph I||1890||4,500||Capsized and sank, Oct 1919|
|SMS Kaiserin Elisabeth||Torpedo/ram cruiser||Kaiser Franz Joseph I||1892||4,500||Scuttled Nov 1914 at Tsingtao, China|
|SMS Kaiserin und Königin Maria Theresia||Armoured cruiser||*||1895||6,000||To United Kingdom in 1919, scrapped 1921|
|SMS Monarch||Coastal defence||Monarch||1898||5,878||To United Kingdom in 1919, scrapped 1921|
|SMS Wien||Coastal defence||Monarch||1898||5,878||Torpedoed 1916, salvaged 1925, fate unknown|
|SMS Budapest||Coastal defence||Monarch||1898||5,878||To United Kingdom in 1919, scrapped 1921|
|SMS Kaiser Karl VI||Armoured cruiser||*||1900||7,000||To United Kingdom in 1919, scrapped 1922|
|SMS Habsburg||Battleship||Habsburg||1902||N/A||To United Kingdom in 1919, scrapped 1922|
|SMS Árpád||Battleship||Habsburg||1903||N/A||To United Kingdom in 1919, scrapped 1922|
|SMS Babenberg||Battleship||Habsburg||1904||N/A||To United Kingdom in 1919, scrapped 1922|
|SMS Erzherzog Karl||Battleship||Erzherzog Karl||1906||11,000||To France in 1919, scrapped 1921|
|SMS Erzherzog Friedrich||Battleship||Erzherzog Karl||1907||11,000||To France in 1919, scrapped 1921|
|SMS Erzherzog Ferdinand Max||Battleship||Erzherzog Karl||1907||11,000||To United Kingdom in 1919, scrapped 1921|
|SMS Erzherzog Franz Ferdinand||Battleship||Radetzky||1908||15,000||To Italy in 1918, scrapped 1922|
|SMS Radetzky||Battleship||Radetzky||1911||16,000||To South Slavic 1918, scrapped 1922|
|SMS Zrínyi||Battleship||Radetzky||1911||16,000||To South Slavic 1918, scrapped 1922|
|SMS Tegetthoff||Battleship||Tegetthoff||1913||21,000||To South Slavic in 1918, to Italy in 1918, scrapped in 1924|
|SMS Viribus Unitis||Battleship||Tegetthoff||1912||21,000||To South Slavic in 1918, scrapped 1920-1922|
|SMS Prinz Eugen||Battleship||Tegetthoff||1914||21,000||To South Slavic in 1918, to Italy in 1919, to France in 1920, sunk as target 1922|
|SMS Ersatz Monarch||Battleship||Ersatz Monarch||N/A||25,000||Cancelled 1915|
|SMS Ersatz Budapest||Battleship||Ersatz Monarch||N/A||25,000||Cancelled 1915|
References: Conway's All the World's Fighting Ships, 1860-1905, Historical Handbook of World Navies website, Naval History Flixco website
The following table lists ships built by STT after the Italian takeover.
|Trieste||Cruiser||Trento||1926||13,545||Sunk by bombing, 1943|
|SS Conte Grande||Ocean liner||N/A||1928||25,661||Scrapped 1961|
Reference: Winklareth p. 292
|Luigi Cadorna||Light cruiser||Condottieri||1931||7,113||Scrapped, 1951|
|SS Conte di Savoia||Ocean liner||N/A||1932||48,502||Scuttled 1943|
|Muzio Attendolo||Light cruiser||Montecuccoli||1935||8,994||Sunk by bombing, 1942|
|Giuseppe Garibaldi||Light cruiser||Duca degli Abruzzi||1937||11,735||Converted to guided missile cruiser, 1957, scrapped 1972|
|Vittorio Veneto||Battleship||Littorio||1940||45,752||Scrapped 1946?|
|Roma||Battleship||Littorio||1942||45,752||Sunk by bombing, 1943|
|MS Augustus||Ocean liner||N/A||1952||27,090||Still operating as restaurant ship, MS Philippines, in 1999|
|SS Raffaello||Ocean liner||N/A||1965||45,933||Sold to Iran and converted as floating barracks, 1977, sunk by bombing in 1983|
Reference: Winklareth p. 292-293
- Winklareth, p. 292.
- Preston, p. 65—Extract. (the Tegetthoff class was also known as the Viribus Unitus class).
- Vego, p. 30—Extract.
- Winklareth, p. 293.
- Disp.=displacement in tons. For commercial vessels (ie ocean liners), it represents gross tonnage (GRT).
- Asterisk indicates that this is the only ship in its class.
- Not to be confused with the Radetzky-class battleship.
- Most of Austria-Hungary's ships were confiscated as part of war reparations by the victorious Allies after World War One.
- Not to be confused with the Tegetthoff-class battleships, which came later.
- Also known as the Erzherzog Franz Ferdinand class.
- Also known as the Viribus Unitis class.
- List may be incomplete.
- Capital ships of the Austro-Hungarian Navy, Historical Handbook of World Navies website.
- Ships built by Stabilimento Tecnico Triestino, Naval History Flixco website.
- Chesneau, Koleśnik & Campbell (1979): Conway's All the World's Fighting Ships, 1860–1905, Conway, ISBN 0-85177-133-5, pp. 267–277. Extract.
- Winklareth, Robert J. (2000): Naval Shipbuilders of the World – From the Age of Sail to the Present Day, Chatham Publishing, ISBN 1-86176-121-X, pp. 292–293.
- Preston, Anthony (2002): The World's Worst Warships, Conway Publishing, ISBN 0-85177-754-6, p. 65.
- Vego, Milan N. (1996): Austro-Hungarian Naval Policy, 1904–14, Taylor & Francis, ISBN 0-7146-4209-6, p. 30.
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