View source for SS Principe Umberto

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{|{{Infobox ship begin
}}
{{Infobox ship image
| Ship image =
| Ship caption = Principe Umberto
}}
{{Infobox ship career
| Hide header = 
| Ship name = SS ''Principe Umberto''
| Ship namesake = [[Umberto II of Italy|Prince Umberto]]
| Ship owner = [[Navigazione Generale Italiana]]
| Ship flag = {{shipboxflag|Kingdom of Italy|civil}}
| Ship operator = 
| Ship registry = [[Genoa]]<ref name=Miramar>{{cite web | url =http://www.miramarshipindex.org.nz/ship/list?search_op=OR&IDNo=6129698 | title = Principe Umberto | work = Miramar Ship Index | publisher = R.B.Haworth | accessdate = 10 December 2008 }}</ref>
| Ship route = 
| Ship ordered = 
| Ship awarded = 
| Ship builder = Cantieri Navali del Tirreno, [[Palermo]]<ref name=Miramar />
| Ship original cost = 
| Ship yard number = 13<ref name=Miramar />
| Ship way number = 
| Ship laid down = 
| Ship launched = 
| Ship sponsor = 
| Ship christened = 
| Ship completed = April 1909<ref name=Miramar />
| Ship acquired = 
| Ship commissioned = 
| Ship recommissioned = 
| Ship decommissioned = 
| Ship maiden voyage = 
| Ship in service = 
| Ship out of service = 
| Ship renamed = 
| Ship reclassified = 
| Ship refit = 
| Ship struck = 
| Ship reinstated = 
| Ship homeport = 
| Ship fate = Sunk by {{SMS|U-5|Austria-Hungary|2|sub=y}}, 8 June 1916
| Ship notes = 
| Ship badge = 
}}
{{Infobox ship characteristics
| Hide header = 
| Header caption = 
| Ship class = 
| Ship type = 
| Ship tonnage = {{GRT|7,838}}<ref name=Miramar />
| Ship length = {{convert|145.1|m|ftin|abbr=on}} ([[length between perpendiculars|pp]])<ref name=Miramar />
| Ship beam = {{convert|16.3|m|ftin|abbr=on}}<ref name=Miramar />
| Ship height = 
| Ship draft = 
| Ship depth = 
| Ship hold depth = 
| Ship propulsion = 2 × [[quadruple expansion]] [[steam engine]]s<ref name=Miramar />
| Ship speed = {{convert|16|knots|km/h}}<ref name=Miramar />
| Ship troops = 
| Ship crew = 
| Ship armament = 
| Ship notes = 
}}
|}
'''SS ''Principe Umberto''''' was an Italian passenger and refrigerated [[cargo ship]] built in 1908 for [[Navigazione Generale Italiana]]. During [[World War I]], ''Principe Umberto'' served as an [[armed merchant cruiser]].

While transporting troops in the [[Adriatic]] in June 1916, the ship was sunk by [[Austro-Hungarian Navy|Austro-Hungarian]] U-boat {{SMS|U-5|Austria-Hungary|2|sub=y}} with the loss of 1,926 men. It was the worst naval disaster of World War I in terms of human lives lost.

== Career ==

''Principe Umberto'' was built in 1908 by the ''[[United Tyrrhenian Shipyards|Cantieri Navali del Tirreno]]''<ref>english: United Tyrrhenian Shipyards</ref> in [[Palermo]] for the [[Navigazione Generale Italiana]]<ref name=Miramar /> a company that sailed to Mediterranean and Black Sea ports, as well as passenger service to North and South America.<ref name=TSL>{{cite web |title = Navigazione Generale Italiana |url = http://www.theshipslist.com/ships/lines/ngi.html |publisher = TheShipsList.com |date = 26 November 2007 |access-date = 10 December 2008 |url-status = dead |archive-url = https://web.archive.org/web/20090122233553/http://www.theshipslist.com/ships/lines/ngi.html |archive-date = 22 January 2009 }}</ref>

She was {{convert|145.1|m|ftin|sp=us}} long ([[length between perpendiculars|pp]]) with a [[beam (nautical)|beam]] of {{convert|16.3|m|ftin|sp=us}}. She was powered by two [[quadruple expansion]] [[steam engine]]s that moved her at up to {{convert|16|knots|km/h}}.<ref name="Miramar" />

''Principe Umberto''{{'}}s routes and early activities are not known, but during [[World War I]], the ship was employed as an [[armed merchant cruiser]] to transport men and [[materiel]] in support of Italy.<ref name="Sieche-22">Sieche, p. 22.</ref>

On 8 June 1916, ''Principe Umberto'' and another transport, the ''Ravenna'', were carrying the 55th [[Infantry Regiment]] (col. Ernesto Piano) back from Albania to Italy, under the escort of the Italian scout cruiser ''Libia'' and four  ''[[Regia Marina]]'' [[destroyer]]s.<ref name="Rider-459">Rider, p. 459.</ref> The [[Austria-Hungary|Austro-Hungarian]] U-boat {{SMS|U-5|Austria-Hungary|2|sub=y}}, under the command of Friedrich Schlosser, launched a torpedo attack that successfully hit the Italian ship.<ref>{{cite web |last = Helgason |first = Guðmundur |title = Ships hit during WWI: Principe Umberto |url = http://uboat.net/wwi/ships_hit/4928.html |work = U-Boat War in World War I |publisher = Uboat.net |date = |accessdate = 10 December 2008 }}</ref> ''Principe Umberto'' went down quickly with the loss of 1,926 men<ref>Franco Favre, ''La marina nella Grande Guerra. Le operazioni navali, aeree, subacquee e terrestri in Adriatico'', p. 145</ref> (1,750 according to other sources<!-- casualties --><ref name="Sieche-22" /><ref name="Rider-459" /><!-- quick sinking -->).

The wreck was discovered in May 2022 off the coast of [[Albania]] near [[Cape of Gjuhëz|Cape of Gjuhez]] using an underwater robot by the [[Swiss-Italian]] engineer Guido Gay.<ref>{{Cite web |title=Von Österreich versenktes Kriegsschiff entdeckt |url=https://orf.at/stories/3271577/ |date=2022-06-16 |access-date=2022-06-16 |website=news.ORF.at |language=de}}</ref>

== See also ==
*[[List by death toll of ships sunk by submarines]]

== References ==
{{Reflist}}

== Bibliography ==
{{Refbegin}}
* {{cite book | editor-last = Rider | editor-first = Fremont | title = Information Annual 1916: A Continuous Cyclopedia and Digest of Current Events | location = New York | publisher = Cumulative Digest Corporation | year = 1917 | oclc = 67878688 }}
* {{cite book | last = Sieche | first = Erwin F. | chapter = Austro-Hungarian Submarines | title = Warship, Volume 2 | publisher = Naval Institute Press | year = 1980 | isbn = 978-0-87021-976-4 | oclc = 233144055 }}
{{Refend}}

{{coord missing|Adriatic}}
{{June 1916 shipwrecks}}

{{DEFAULTSORT:Principe Umberto}}
[[Category:World War I passenger ships of Italy]]
[[Category:World War I naval ships of Italy]]
[[Category:World War I shipwrecks in the Adriatic Sea]]
[[Category:Ships sunk by Austro-Hungarian submarines]]
[[Category:Maritime incidents in 1916]]
[[Category:1909 ships]]
[[Category:Ships built in Palermo]]
[[Category:Ships built by Cantieri Navali del Tirreno e Riuniti]]

Pages transcluded onto the current version of this page (help):

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HMS Black Prince (1904) (edit)
HMS Broke (1914) (edit)
HMS Eden (1903) (edit)
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